Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Engine Mount to Frame Nut | 75 N.m | 55 lb ft |
| Frame Brace Bolt | 60 N.m | 44 lb ft |
| Front Crossmember Brace Bolt | 50 N.m | 37 lb ft |
| Front Frame to Body Bolt | 110 N.m | 81 lb ft |
| + 90 degrees | ||
| Front Wheelhouse Panel Rear Liner Nut | 6 N.m | 53 lb in |
| Front Wheelhouse Panel Rear Screws | 1.5 N.m | 13 lb in |
| Front Wheelhouse Liner Screw | 2.5 N.m | 22 lb in |
| Radiator Support Bolt | 50 N.m | 37 lb ft |
| Rear Axle Differential to Body Bolt | 160 N.m | 118 lb ft |
| Rear Brake Caliper Bracket Bolt | 50 N.m | 37 lb ft |
| Rear Frame Reinforcement Bolt | 60 N.m | 44 lb ft |
| Rear Frame Reinforcement Stud | 60 N.m | 44 lb ft |
| Rear Shock Absorber Bolt | 50 N.m | 37 lb ft |
| Rear Suspension Crossmember to Body Bolt | 170 N.m | 125 lb ft |
| Rear Wheelhouse Liner Screw | 2.5 N.m | 22 lb in |
| Right Park Brake Cable Retaining Bolt | 10 N.m | 89 lb in |
| Trailer Hitch Bolt | 100 N.m | 74 lb ft |
| Transmission Mount to Frame Nut | 75 N.m | 55 lb ft |
| Underbody Side Rail Bolt | 47 N.m | 35 lb ft |
| Underbody Side Rail Nut | 11 N.m | 97 lb in |
| Upper Bumper Support to Radiator Support Bolt | 9 N.m | 80 lb in |
| Wheel Drive Shaft Nut | 260 N.m | 192 lb ft |
Fastener Tightening Specifications
Scheme 1
| Callout | Component Name |
|---|---|
| Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . | |
| 1 | Underbody Rear Side Rail Bolt (Qty: 6) CAUTION: Refer to Fastener Caution . Tighten 47 N.m (35 lb ft) |
| 2 | Underbody Rear Side Rail Nut Tighten 11 N.m (97 lb in) |
| 3 | Underbody Rear Side Rail |
| CAUTION |
|---|
| Refer to Fastener Caution . |
Underbody Rear Side Rail Replacement
Removal Procedure
- Remove the front bumper fascia. Refer to «Front Bumper Fascia Replacement (Enclave)»(/buick/enclave/i-2007-2013/remont/exterior-body-panels/#bumpers-and-fascias) , «Front Bumper Fascia Replacement (Acadia)»(/buick/enclave/i-2007-2013/remont/exterior-body-panels/#bumpers-and-fascias) , «Front Bumper Fascia Replacement (Traverse)»(/buick/enclave/i-2007-2013/remont/exterior-body-panels/#bumpers-and-fascias) .
- Tie the condenser radiator fan module to the upper bumper support.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the power steering cooler nuts (2).
- Position the power steering cooler (1) securely out of the way.
- Remove the lower 2 bolts from the upper bumper support.
- Support the frame with a jack stand.
- Remove the front crossmember brace bolts (3).
- Remove the front frame to body bolts (2).
- Remove the front crossmember brace (1).
- Remove the radiator support bolts.
- Remove the radiator support.
Installation Procedure
- Install the radiator support.
- Install the radiator support bolts. Tighten Tighten the bolts to 50 N.m (37 lb ft).
- Install the front crossmember brace (1).
- Install the front frame to body bolts (2). Tighten Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Install the front crossmember brace bolts (3). Tighten Tighten the bolts to 50 N.m (37 lb ft).
- Remove the jack stand.
- Install the lower 2 bolts to the upper bumper support. Tighten Tighten the bolts to 9 N.m (80 lb in).
- Install the power steering cooler (1).
- Install the power steering cooler nuts (2).
- Lower the vehicle.
- Untie the condenser radiator fan module from the upper bumper support.
- Install the front bumper fascia. Refer to «Front Bumper Fascia Replacement (Enclave)»(/buick/enclave/i-2007-2013/remont/exterior-body-panels/#bumpers-and-fascias) , «Front Bumper Fascia Replacement (Acadia)»(/buick/enclave/i-2007-2013/remont/exterior-body-panels/#bumpers-and-fascias) , «Front Bumper Fascia Replacement (Traverse)»(/buick/enclave/i-2007-2013/remont/exterior-body-panels/#bumpers-and-fascias) .
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Remove the muffler. Refer to «Exhaust Muffler Replacement (NEA/NED or N10)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) , «Exhaust Muffler Replacement (NB5)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) .
- Insert a brass drift or punch in the brake rotor so that the brass drift or punch rest against the brake caliper mounting bracket.
- Using the breaker bar and socket, loosen the wheel drive shaft nut.
- Remove the wheel drive shaft nut.
- Remove the rear brake caliper bracket bolts.
- Secure the rear brake caliper and bracket assemblies to the vehicle underbody.
- Remove the rear wheel bearings, axles, and differential assembly. Refer to «Differential Replacement»(/buick/enclave/i-2007-2013/remont/differentials-drive-axles/#rear-drive-axle) .
- Remove the park brake cables from the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(/buick/enclave/i-2007-2013/remont/parking-brake-system/#parking-brake-system) .
- Disconnect the right park brake cable from the brake backing plate.
- Remove both the rear brake backing plates.
- Remove the lower bolts from the rear shock absorbers. Refer to «Shock Absorber Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) .
- Remove the rear suspension crossmember wire harness retainers from the vehicle underbody.
- Disconnect the rear suspension crossmember wire harness from the vehicle body wire harness.
- Support the rear suspension crossmember with a suitable stand.
- Remove the four bolts securing the rear suspension crossmember to vehicle.
- With the aid of an assistant, carefully lower the rear suspension crossmember or raise the vehicle away from the rear suspension crossmember.
- Remove the jounce bumpers and springs from the rear suspension crossmember.
- Release the wire harness retainers from the rear suspension crossmember.
- Remove the wire harness from the rear suspension crossmember.
- Remove the right park brake cable retaining bolts from the rear suspension crossmember.
- Remove the right park brake cable from the rear suspension crossmember.
- Remove the remaining suspension components from the rear suspension crossmember: Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Upper control arm-Refer to «Upper Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Adjustment link-Refer to «Adjust Link Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Lower control arm-Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) .
- Install the following suspension components to the rear suspension crossmember: Lower control arm-Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Adjustment link-Refer to «Adjust Link Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Upper control arm-Refer to «Upper Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) .
- Install the right park brake cable to the rear suspension crossmember.
- Install the right park brake cable retaining bolts to the rear suspension crossmember. Tighten Tighten the bolts to 10 N.m (89 lb in).
- Install the wire harness to the rear suspension crossmember.
- Attach the wire harness retainers to the rear suspension crossmember.
- Install the jounce bumpers and springs to the rear suspension crossmember. Refer to «Rear Spring, Insulator, and Jounce Bumper Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) for proper spring installation.
- With the rear suspension crossmember mounted on a suitable stand and with the aid of an assistant, carefully lower the vehicle or raise the rear suspension crossmember into location on the vehicle.
- Install the four bolts securing the rear suspension crossmember to vehicle. Tighten Tighten the bolts to 170 N.m (125 lb ft).
- Connect the rear suspension crossmember wire harness to the vehicle body wire harness.
- Install the rear suspension crossmember wire harness retainers to the vehicle underbody.
- Install the lower bolts to the rear shock absorbers. Refer to «Shock Absorber Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Tighten Tighten the bolts to 50 N.m (37 lb ft).
- Install both the rear brake backing plates.
- Connect the right park brake cable to the brake backing plate.
- Install the park brake cables to the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(/buick/enclave/i-2007-2013/remont/parking-brake-system/#parking-brake-system) .
- Install the rear differential assembly, axles, and wheel bearings. Refer to «Differential Replacement»(/buick/enclave/i-2007-2013/remont/differentials-drive-axles/#rear-drive-axle) .
- Install the rear brake caliper and bracket assemblies to the rear knuckles.
- Install the rear brake caliper bracket bolts. Tighten Tighten the bolts to 50 N.m (37 lb ft).
- Install the wheel drive shaft nut.
- Insert a brass drift or punch in the brake rotor so that the brass drift or punch rest against the brake caliper mounting bracket.
- Using a torque wrench and socket, tighten the new wheel drive shaft nut. Tighten Tighten the nut to 260 N.m (192 lb ft).
- Install the muffler. Refer to «Exhaust Muffler Replacement (NEA/NED or N10)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) , «Exhaust Muffler Replacement (NB5)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) .
- Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Lower the vehicle.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Remove the muffler. «Exhaust Muffler Replacement (NEA/NED or N10)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) , «Exhaust Muffler Replacement (NB5)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) .
- Remove the rear brake caliper bracket bolts.
- Secure the rear brake caliper and bracket assemblies to the vehicle underbody.
- Remove the park brake cables from the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(/buick/enclave/i-2007-2013/remont/parking-brake-system/#parking-brake-system) .
- Remove the lower bolts from the rear shock absorbers. Refer to «Shock Absorber Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) .
- Remove the rear suspension crossmember wire harness retainers from the vehicle underbody.
- Disconnect the rear suspension crossmember wire harness from the vehicle body wire harness.
- Support the rear suspension crossmember with a suitable stand.
- Remove the four bolts securing the rear suspension crossmember to vehicle.
- With the aid of an assistant, carefully lower the rear suspension crossmember or raise the vehicle away from the rear suspension crossmember.
- Remove the jounce bumpers and springs from the rear suspension crossmember.
- Release the wire harness retainers from the rear suspension crossmember.
- Disconnect the wire harness from the wheel speed sensors.
- Remove the wire harness from the rear suspension crossmember.
- Release the wheel speed wire harness retainers from the rear suspension crossmember.
- Remove the right park brake cable retaining bolts from the rear suspension crossmember.
- Remove the right park brake cable from the rear suspension crossmember.
- Remove the remaining suspension components from the rear suspension crossmember: Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Upper control arm-Refer to «Upper Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Adjustment link-Refer to «Adjust Link Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Lower control arm-Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) .
- Install the following suspension components to the rear suspension crossmember: Lower control arm-Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Adjustment link-Refer to «Adjust Link Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Upper control arm-Refer to «Upper Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) .
- Install the right park brake cable to the rear suspension crossmember.
- Install the right park brake cable retaining bolts to the rear suspension crossmember. Tighten Tighten the bolts to 10 N.m (89 lb in).
- Install the wheel speed wire harness retainers to the rear suspension crossmember.
- Install the wire harness to the rear suspension crossmember.
- Attach the wire harness retainers to the rear suspension crossmember.
- Connect the wire harness to the wheel speed sensors.
- Install the jounce bumpers and springs to the rear suspension crossmember. Refer to «Rear Spring, Insulator, and Jounce Bumper Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) for proper spring installation.
- With the rear suspension crossmember mounted on a suitable stand and with the aid of an assistant, carefully lower the vehicle or raise the rear suspension crossmember into location on the vehicle.
- Install the four bolts securing the rear suspension crossmember to vehicle. Tighten Tighten the bolts to 170 N.m (125 lb ft).
- Connect the rear suspension crossmember wire harness to the vehicle body wire harness.
- Install the rear suspension crossmember wire harness retainers to the vehicle underbody.
- Install the lower bolts to the rear shock absorbers. Refer to «Shock Absorber Replacement»(/buick/enclave/i-2007-2013/remont/suspension-rear/#rear-suspension-system) . Tighten Tighten the bolts to 50 N.m (37 lb ft).
- Install the park brake cables to the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(/buick/enclave/i-2007-2013/remont/parking-brake-system/#parking-brake-system) .
- Install the rear brake caliper and bracket assemblies to the rear knuckles.
- Install the rear brake caliper bracket bolts. Tighten Tighten the bolts to 50 N.m (37 lb ft).
- Install the muffler. «Exhaust Muffler Replacement (NEA/NED or N10)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) , «Exhaust Muffler Replacement (NB5)»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) .
- Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Lower the vehicle.
Drivetrain and Front Suspension Frame Replacement
Special Tools
J-39580 Engine Support Stand
For equivalent regional tools, refer to Special Tools .
- Install the engine support fixture. Refer to «Engine Support Fixture»(/buick/enclave/i-2007-2013/remont/mechanical/#engine-mechanical-36l-repair-instructions-on-vehicle) .
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the front tires and wheels. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Remove the exhaust flexible pipe. Refer to «Exhaust Flexible Pipe Replacement»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) .
- Remove the propeller shaft if the vehicle is equipped with all wheel drive. Refer to «Propeller Shaft Replacement»(/buick/enclave/i-2007-2013/remont/driveshaft-universal-joints/#propeller-shaft) .
- Remove both lower ball joint retaining nuts. Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system__lower-control-arm-replacement) .
- Remove the lower ball joints from the steering knuckles. Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system__lower-control-arm-replacement) .
- Disconnect the stabilizer shaft links from the stabilizer shaft. Refer to «Stabilizer Shaft Link Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system) .
- Remove the power steering gear heat shields. Refer to «Steering Gear Heat Shield Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(/buick/enclave/i-2007-2013/remont/steering-column-switches/#steering-wheel-and-steering-column) .
- Remove the power steering gear bolts. Refer to «Steering Gear Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Remove the power steering gear from the frame. Refer to «Steering Gear Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Use mechanics wire secure the power steering gear to the exhaust manifold.
- Remove the power steering cooler inlet pipe from the frame. Refer to «Power Steering Cooler Pipe/Hose Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Remove and discard the engine and transmission mount lower nuts.
- Lower the vehicle until the frame contacts the J-39580 .
- Remove the underbody rear side rail. Refer to «Underbody Rear Side Rail Replacement»(/buick/enclave/i-2007-2013/remont/frames-subframes-crossmembers/#frame-and-underbody) .
- Remove the front crossmember brace bolts (3).
- Remove the front frame to body bolts (2).
- Remove the front crossmember brace (1).
- Remove the reinforcement bolts (2).
- Remove the reinforcement studs (3).
- Remove the frame to body bolts (4).
- Remove the reinforcements (1).
- Raise the vehicle in order to separate the frame from the vehicle.
- Remove the frame brace bolts.
- Remove the frame brace.
- Remove the stabilizer shaft. Refer to «Stabilizer Shaft Insulator Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system) .
- Remove the lower control arms. Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system__lower-control-arm-replacement) .
- Remove the frame insulators from the frame. Refer to «Drivetrain and Front Suspension Frame Front Insulator Replacement»(/buick/enclave/i-2007-2013/remont/frames-subframes-crossmembers/#frame-and-underbody__drivetrain-and-front-suspension-frame-front) , and «Drivetrain and Front Suspension Frame Rear Insulator Replacement»(/buick/enclave/i-2007-2013/remont/frames-subframes-crossmembers/#frame-and-underbody__drivetrain-and-front-suspension-frame-rear) .
- Install the frame insulators to the frame. Refer to «Drivetrain and Front Suspension Frame Front Insulator Replacement»(/buick/enclave/i-2007-2013/remont/frames-subframes-crossmembers/#frame-and-underbody__drivetrain-and-front-suspension-frame-front) , and «Drivetrain and Front Suspension Frame Rear Insulator Replacement»(/buick/enclave/i-2007-2013/remont/frames-subframes-crossmembers/#frame-and-underbody__drivetrain-and-front-suspension-frame-rear) .
- Install the lower control arms. Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system__lower-control-arm-replacement) .
- Install the stabilizer shaft. Refer to «Stabilizer Shaft Insulator Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system) .
- Install the frame brace.
- Install the frame brace bolts and tighten to 60 N.m (44 lb ft).
- Position the transmission table with the frame under the vehicle.
- Lower the vehicle while aligning the powertrain mounts with the frame until the vehicle is close to the frame.
- Inserting two 19 mm (0.75 in) diameter X 203 mm (8.0 in) long guide pins or drill bits into the frame rear alignment holes in order to align the frame.
- Install the front crossmember brace (1).
- Install the front frame to body bolts (2) and tighten to 110 N.m (81 lb ft) plus 90 degrees.
- Install the front crossmember brace bolts (3) and tighten to 50 N.m (37 lb ft).
- Install the reinforcements (1).
- Install the rear frame to body bolts (4) and tighten to 110 N.m (81 lb ft) plus 90 degrees.
- Install the reinforcement bolts (2) and tighten to 60 N.m (44 lb ft).
- Install the reinforcement studs (3) and tighten to 60 N.m (44 lb ft).
- Remove the alignment pins from the frame.
- Install the underbody rear side rail. Refer to «Underbody Rear Side Rail Replacement»(/buick/enclave/i-2007-2013/remont/frames-subframes-crossmembers/#frame-and-underbody) .
- Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the engine and transmission mount threads.
- Install the engine and transmission mount nuts and tighten to 75 N.m (55 lb ft).
- Install the power steering cooler inlet pipe to the frame. Refer to «Power Steering Cooler Pipe/Hose Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Install the power steering gear to the frame. Refer to «Steering Gear Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Install the power steering gear bolts. Refer to «Steering Gear Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Install the power steering gear heat shield. Refer to «Steering Gear Heat Shield Replacement»(/buick/enclave/i-2007-2013/remont/manual-power-steering/#power-steering-system) .
- Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(/buick/enclave/i-2007-2013/remont/steering-column-switches/#steering-wheel-and-steering-column) .
- Connect the stabilizer shaft links to the stabilizer shaft. Refer to «Stabilizer Shaft Link Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system) .
- Install the lower ball joints to the steering knuckles. Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system__lower-control-arm-replacement) .
- Install both lower ball joint retaining nuts. Refer to «Lower Control Arm Replacement»(/buick/enclave/i-2007-2013/remont/suspension-front/#front-suspension-system__lower-control-arm-replacement) .
- Install the propeller shaft if the vehicle is equipped with all wheel drive. Refer to «Propeller Shaft Replacement»(/buick/enclave/i-2007-2013/remont/driveshaft-universal-joints/#propeller-shaft) .
- Install the exhaust flexible pipe. Refer to «Exhaust Flexible Pipe Replacement»(/buick/enclave/i-2007-2013/remont/exhaust/#engine-exhaust-system) .
- Install the front tires and wheels. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Lower the vehicle.
- Remove the engine support fixture.
- Inspect the front wheel alignment and adjust the toe angle if necessary. Refer to «Wheel Alignment Measurement»(/buick/enclave/i-2007-2013/remont/wheel-alignment/#wheel-alignment-system__wheel-alignment-measurement) .
Scheme 2
| Callout | Component Name |
|---|---|
| Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . | |
| 1 | Frame Brace Bolt (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 60 N.m (44 lb ft) |
| 2 | Frame Brace |
| CAUTION |
|---|
| Refer to Fastener Caution . |
Frame Brace Replacement
Drivetrain and Front Suspension Frame Front Insulator Replacement
Special Tools
J 45725 Frame Bushing Installer
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(/buick/enclave/i-2007-2013/remont/steering-column-switches/#steering-wheel-and-steering-column) .
- Install a jackstand under the center of the frame, between the front frame insulators.
- Remove the front crossmember brace bolts (3).
- Remove the front frame to body bolts (2).
- Remove the crossmember brace (1).
- Lower the front of the frame only enough to service the insulator, approximately 38 mm (1.5 in).
- Remove the upper insulator.
- Remove the lower insulator using a flat chisel. Begin extracting the insulator by guiding the wedge of the chisel tip between the insulator flange lip and the vehicle frame.
- Continue extracting the insulator until it is fully removed from the frame.
- Clean the frame insulator opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the inside of the frame insulator opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the frame insulator.
- Install clamp J 45725 Installer onto the insulator about 1/8 inch from the top of the insulator.
- Align the split of the insulator to the front of the frame.
- Install J 45725 Installer to the insulator and the frame.
- Using J 45725 Installer install the insulator until the insulator is halfway recessed in the frame.
- Remove only the clamp J 45725 Installer.
- Using J 45725 Installer continue installing the insulator until the flange lip of the insulator is fully seated to the bottom of the frame.
- Remove J 45725 Installer from the insulator and the frame.
- Install the upper insulator.
- Raise the front of the frame.
- Install the front crossmember brace (1).
- Install the front frame to body bolts (2). Tighten Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Install the front crossmember brace bolts (3). Tighten Tighten the bolt to 50 N.m (37 lb ft).
- Remove the jackstand.
- Connect the intermediate shaft to the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(/buick/enclave/i-2007-2013/remont/steering-column-switches/#steering-wheel-and-steering-column) .
- Lower the vehicle.
Drivetrain and Front Suspension Frame Rear Insulator Replacement
Special Tools
J 45725 Frame Bushing Installer
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(/buick/enclave/i-2007-2013/remont/steering-column-switches/#steering-wheel-and-steering-column) .
- Install a jackstand under the center of the frame, between the rear frame insulators.
- Remove the reinforcement bolts (2).
- Remove the reinforcement studs (3).
- Remove the frame to body bolts (4).
- Remove the reinforcements (1).
- Lower the rear of the frame only enough to service the insulator, approximately 38 mm (1.5 in).
- Remove the upper insulator.
- Remove the lower insulator using a flat chisel. Begin extracting the insulator by guiding the wedge of the chisel tip between the insulator flange lip and the vehicle frame.
- Continue extracting the insulator until it is fully removed from the frame.
- Clean the frame insulator opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the inside of the frame insulator opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the frame insulator.
- Install clamp J 45725 Installer onto the insulator about 1/8 inch from the top of the insulator.
- Align the split of the insulator to the front of the frame.
- Install J 45725 Installer to the insulator and the frame.
- Using J 45725 Installer install the insulator until the insulator is halfway recessed in the frame.
- Remove only the clamp J 45725 Installer.
- Using J 45725 Installer continue installing the insulator until the flange lip of the insulator is fully seated to the bottom of the frame.
- Remove J 45725 Installer from the insulator and the frame.
- Install the upper insulator.
- Raise the rear of the frame.
- Install the reinforcements (1).
- Install the rear frame to body bolts (4). Tighten Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Install the reinforcement bolts (2). Tighten Tighten the bolt to 60 N.m (44 lb ft).
- Install the reinforcement studs (3). Tighten Tighten the stud to 60 N.m (44 lb ft).
- Remove the jackstand.
- Connect the intermediate shaft to the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(/buick/enclave/i-2007-2013/remont/steering-column-switches/#steering-wheel-and-steering-column) .
- Lower the vehicle.
Scheme 3
| Callout | Component Name |
|---|---|
| Preliminary Procedure Remove the front rear wheelhouse liner. Refer to Front Wheelhouse Rear Liner Replacement (Traverse) . | |
| 1 | Front Wheelhouse Liner - Front (Qty: 5) |
| 2 | Front Wheelhouse Liner - Front Screw (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 6 N.m (53 lb in) |
| 3 | Front Wheelhouse Liner |
| CAUTION |
|---|
| Refer to Fastener Caution . |
Front Wheelhouse Front Liner Replacement (Enclave - Acadia)
Scheme 4
| Callout | Component Name |
|---|---|
| Preliminary Procedure Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . | |
| 1 | Front Wheelhouse Liner Screw - Front (Qty: 10) CAUTION: Refer to Fastener Caution . Tighten 2.5 N.m (22 lb in) |
| 2 | Front Wheelhouse Liner Plastic Retainer - Front (Qty: 11) |
| 3 | Front Wheelhouse Liner - Front |
| CAUTION |
|---|
| Refer to Fastener Caution . |
Front Wheelhouse Front Liner Replacement (Traverse)
Scheme 5
| Callout | Component Name |
|---|---|
| Preliminary Procedure Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . | |
| 1 | Front Wheelhouse Panel Rear Plastic Retainer (Qty: 8) |
| 2 | Front Wheelhouse Panel Rear Liner Nut CAUTION: Refer to Fastener Caution . Tighten 6 N.m (53 lb in) |
| 3 | Front Wheelhouse Panel Rear Screw (Qty: 4) Tighten 1.5 N.m (13 lb in) |
| 4 | Front Wheelhouse Panel Rear |
| CAUTION |
|---|
| Refer to Fastener Caution . |
Front Wheelhouse Rear Liner Replacement (Traverse)
Scheme 6
| Callout | Component Name |
|---|---|
| Preliminary Procedure Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . | |
| 1 | Rear Wheelhouse Liner Screw (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 2.5 N.m (22 lb in) |
| 2 | Rear Wheelhouse Liner Plastic Retainer (Qty: 3) |
| 3 | Rear Wheelhouse Liner Procedure Install using the reverse procedure, with the proper alignment of the rear wheelhouse liner. |
| CAUTION |
|---|
| Refer to Fastener Caution . |
Rear Wheelhouse Panel Liner Replacement
Scheme 7
| Callout | Component Name |
|---|---|
| Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the underbody rear side rail. Refer to Underbody Rear Side Rail Replacement . Support the frame with a jack stand. | |
| 1 | Frame Reinforcement Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten 60 N.m (44 lb ft) |
| 2 | Frame Reinforcement Stud Tighten 60 N.m (44 lb ft) |
| 3 | Frame Bolt (Qty: 2) Tighten 110 N.m (81 lb ft) plus 90 degrees |
| 4 | Frame Reinforcement (Qty: 2) |
| CAUTION |
|---|
| Refer to Fastener Caution . |
Drivetrain and Front Suspension Frame Reinforcement Replacement
Rear Suspension Support Lower Mount Replacement - Front (All Wheel Drive)
Special Tools
J 45725 Frame Bushing Installer
- Remove the spare tire.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Remove the rear brake caliper bracket bolts.
- Support the rear brake caliper.
- Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
- Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
- Install a jackstand under the front of the rear drive module.
- Install jackstands under the front and rear of the suspension crossmember.
- Remove the suspension crossmember to body bolts.
- Remove the rear axle differential to body bolt.
- Lower the rear drive module and suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
- Remove the upper mount.
- Remove the lower mount using a flat chisel. Begin extracting the mount by guiding the wedge of the chisel tip between the mount flange lip and the suspension crossmember.
- Continue extracting the mount until it is fully removed from the suspension crossmember.
- Clean the suspension crossmember mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the inside of the suspension crossmember mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
- Install clamp J 45725 Installer onto the mount about 1/8 inch from the top of the mount.
- Align the split of the mount to the front of the suspension crossmember.
- Install J 45725 Installer to the mount and the suspension crossmember.
- Using J 45725 Installer install the mount until the mount is halfway recessed in the suspension crossmember.
- Remove only the clamp J 45725 Installer.
- Using J 45725 Installer continue installing the mount until the flange lip of the mount is fully seated to the bottom of the suspension crossmember.
- Remove J 45725 Installer from the mount and the suspension crossmember.
- Install the upper mount.
- Raise the suspension crossmember and rear drive module.
- Install the suspension crossmember to body bolts. Tighten Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Install the rear axle differential to body bolt. Tighten Tighten the bolts to 160 N.m (118 lb ft).
- Remove the jackstands.
- Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(/buick/enclave/i-2007-2013/remont/mechanical-hydraulic/#disc-brake-system) .
- Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Lower the vehicle.
- Install the spare tire.
Rear Suspension Support Lower Mount Replacement - Front (Front Wheel Drive)
Special Tools
J 45725 Frame Bushing Installer
- Remove the spare tire.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Remove the rear brake caliper bracket bolts.
- Support the rear brake caliper.
- Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
- Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
- Install jackstands under the front and rear of the suspension crossmember.
- Remove the suspension crossmember to body bolts.
- Lower the suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
- Remove the upper mount.
- Remove the lower mount using a flat chisel. Begin extracting the mount by guiding the wedge of the chisel tip between the mount flange lip and the suspension crossmember.
- Continue extracting the mount until it is fully removed from the suspension crossmember.
- Clean the frame mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the inside of the suspension crossmember mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
- Install clamp J 45725 Installer onto the mount about 1/8 inch from the top of the mount.
- Align the split of the mount to the front of the suspension crossmember.
- Install J 45725 Installer to the mount and the suspension crossmember.
- Using J 45725 Installer install the mount until the mount is halfway recessed in the suspension crossmember.
- Remove only the clamp J 45725 Installer.
- Using J 45725 Installer continue installing the mount until the flange lip of the mount is fully seated to the bottom of the suspension crossmember.
- Remove J 45725 Installer from the mount and the suspension crossmember.
- Install the upper mount.
- Raise the suspension crossmember.
- Install the suspension crossmember to body bolts. Tighten Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Remove the jackstands.
- Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(/buick/enclave/i-2007-2013/remont/mechanical-hydraulic/#disc-brake-system) .
- Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Lower the vehicle.
- Install the spare tire.
Rear Suspension Support Lower Mount Replacement - Rear (All Wheel Drive)
Special Tools
J 45725 Frame Bushing Installer
- Remove the spare tire.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Remove the rear brake caliper bracket bolts.
- Support the rear brake caliper.
- Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
- Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
- Install a jackstand under the front of the rear drive module.
- Install jackstands under the front and rear of the suspension crossmember.
- Remove the suspension crossmember to body bolts.
- Remove the rear axle differential to body bolt.
- Lower the rear drive module and suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
- Remove the upper mount.
- Remove the lower mount using a flat chisel. Begin extracting the mount by guiding the wedge of the chisel tip between the mount flange lip and the suspension crossmember.
- Continue extracting the mount until it is fully removed from the suspension crossmember.
- Clean the suspension crossmember mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the inside of the suspension crossmember mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
- Install clamp J 45725 Installer onto the mount about 1/8 inch from the top of the mount.
- Align the split of the mount to the front of the suspension crossmember.
- Install J 45725 Installer to the mount and the suspension crossmember.
- Using J 45725 Installer install the mount until the mount is halfway recessed in the suspension crossmember.
- Remove only the clamp J 45725 Installer.
- Using J 45725 Installer continue installing the mount until the flange lip of the mount is fully seated to the bottom of the suspension crossmember.
- Remove J 45725 Installer from the mount and the suspension crossmember.
- Install the upper mount.
- Raise the suspension crossmember and rear drive module.
- Install the suspension crossmember to body bolts. Tighten Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Install the rear axle differential to body bolt. Tighten Tighten the bolts to 160 N.m (118 lb ft).
- Remove the jackstands.
- Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(/buick/enclave/i-2007-2013/remont/mechanical-hydraulic/#disc-brake-system) .
- Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Lower the vehicle.
- Install the spare tire.
Rear Suspension Support Lower Mount Replacement - Rear (Front Wheel Drive)
Special Tools
J 45725 Frame Bushing Installer
- Remove the spare tire.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Remove the rear brake caliper bracket bolts.
- Support the rear brake caliper.
- Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
- Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
- Install jackstands under the front and rear of the suspension crossmember.
- Remove the suspension crossmember to body bolts.
- Lower the suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
- Remove the upper mount.
- Remove the lower mount using a flat chisel. Begin extracting the mount by guiding the wedge of the chisel tip between the mount flange lip and the suspension crossmember.
- Continue extracting the mount until it is fully removed from the suspension crossmember.
- Clean the frame mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the inside of the suspension crossmember mount opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
- Install clamp J 45725 Installer onto the mount about 1/8 inch from the top of the mount.
- Align the split of the mount to the front of the suspension crossmember.
- Install J 45725 Installer to the mount and the suspension crossmember.
- Using J 45725 Installer install the mount until the mount is halfway recessed in the suspension crossmember.
- Remove only the clamp J 45725 Installer.
- Using J 45725 Installer continue installing the mount until the flange lip of the mount is fully seated to the bottom of the suspension crossmember.
- Remove J 45725 Installer from the mount and the suspension crossmember.
- Install the upper mount.
- Raise the suspension crossmember.
- Install the suspension crossmember to body bolts. Tighten Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Remove the jackstands.
- Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(/buick/enclave/i-2007-2013/remont/mechanical-hydraulic/#disc-brake-system) .
- Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(/buick/enclave/i-2007-2013/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
- Lower the vehicle.
- Install the spare tire.
- Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/buick/enclave/i-2007-2013/remont/ignition-switchsteering-lock/#general-information__lifting-and-jacking-the-vehicle) .
- Disconnect the body wire harness (2) from the trailer wire harness connector (1).
- If replacing the trailer hitch, remove the trailer wire harness connector (1) from the trailer hitch (2).
- If necessary, lower the exhaust system by serrating the rubber insulators from the exhaust underbody hangers (1. 2, and 3).
- Remove the trailer hitch bolts (2-4).
- Remove the trailer hitch (1).
- Install the trailer hitch (1).
- Install the trailer hitch bolts (2-4). Tighten Tighten the bolts to 100 N.m (74 lb ft).
- If necessary raise the exhaust system by installing the rubber insulators to the exhaust underbody hangers (1. 2, and 3).
- If previously removed, install the trailer wire harness connector (1) to the trailer hitch (2).
- Connect the body wire harness (2) to the trailer wire harness connector (1).
- lower the vehicle.
Special Tools
Illustration Tool Number/ Description J 39580 Engine Support Table J 45725 Frame Bushing Installer
Scheme 8
See also:
• Lifting and Jacking the Vehicle
• Fastener Caution
• Front Bumper Fascia Replacement (Enclave)
• Tire and Wheel Removal and Installation
• Exhaust Muffler Replacement (NEA/NED or N10)
• Differential Replacement
• Parking Brake Cable Equalizer Replacement
• Shock Absorber Replacement
• Engine Support Fixture
• Propeller Shaft Replacement
• Lower Control Arm Replacement
• Stabilizer Shaft Link Replacement
• Steering Gear Heat Shield Replacement
• Intermediate Steering Shaft Replacement
• Wheel Alignment Measurement
• Rear Brake Caliper Bracket Replacement
• Special Tools
• Underbody Rear Side Rail Replacement
• Drivetrain and Front Suspension Frame Front Insulator Replacement
• Drivetrain and Front Suspension Frame Rear Insulator Replacement