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Frame and Underbody: Removal & Installation GMC Acadia I

Frames, Subframes & Crossmembers 8 illustrations ~4920 words

Removal Procedure

  1. Remove the front bumper fascia. Refer to «Front Bumper Fascia Replacement (Acadia)»(ref-365242-S24053907482010070600000) or «Front Bumper Fascia Replacement (Enclave)»(ref-365242-S10822448542010070600000) or «Front Bumper Fascia Replacement (OUTLOOK)»(ref-365242-S03426116272010070600000) or «Front Bumper Fascia Replacement (Traverse)»(ref-365242-S41920769542010070600000) .
  2. Tie the condenser radiator fan module to the upper bumper support.
  3. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  4. Remove the power steering cooler nuts (2).
  5. Position the power steering cooler (1) securely out of the way.
  6. Remove the lower 2 bolts from the upper bumper support.
  7. Support the frame with a jack stand.
  8. Remove the front crossmember brace bolts (3).
  9. Remove the front frame to body bolts (2).
  10. Remove the front crossmember brace (1).
  11. Remove the radiator support bolts.
  12. Remove the radiator support.

Installation Procedure

  1. Install the radiator support.
  2. Install the radiator support bolts. Tighten: Tighten the bolts to 50 N.m (37 lb ft).
  3. Install the front crossmember brace (1).
  4. Install the front frame to body bolts (2). Tighten: Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
  5. Install the front crossmember brace bolts (3). Tighten: Tighten the bolts to 50 N.m (37 lb ft).
  6. Remove the jack stand.
  7. Install the lower 2 bolts to the upper bumper support. Tighten: Tighten the bolts to 9 N.m (80 lb in).
  8. Install the power steering cooler (1).
  9. Install the power steering cooler nuts (2).
  10. Lower the vehicle.
  11. Untie the condenser radiator fan module from the upper bumper support.
  12. Install the front bumper fascia. Refer to «Front Bumper Fascia Replacement (Acadia)»(ref-365242-S24053907482010070600000) or «Front Bumper Fascia Replacement (Enclave)»(ref-365242-S10822448542010070600000) or «Front Bumper Fascia Replacement (OUTLOOK)»(ref-365242-S03426116272010070600000) or «Front Bumper Fascia Replacement (Traverse)»(ref-365242-S41920769542010070600000) .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  3. Remove the muffler. Refer to «Exhaust Muffler Replacement (With NB5)»(ref-365262-S35396637962010070600000) or «Exhaust Muffler Replacement (With NEA,NEB or N10)»(ref-365262-S24106472052010070600000) .
  4. Insert a brass drift or punch in the brake rotor so that the brass drift or punch rest against the brake caliper mounting bracket.
  5. Using the breaker bar and socket, loosen the wheel drive shaft nut.
  6. Remove the wheel drive shaft nut.
  7. Remove the rear brake caliper bracket bolts.
  8. Secure the rear brake caliper and bracket assemblies to the vehicle underbody.
  9. Remove the rear wheel bearings, axles, and differential assembly. Refer to «Differential Replacement»(ref-365263-S12753267282010070600000) .
  10. Remove the park brake cables from the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(ref-365264-S27745069662010070600000) .
  11. Disconnect the right park brake cable from the brake backing plate.
  12. Remove both the rear brake backing plates.
  13. Remove the lower bolts from the rear shock absorbers. Refer to «Shock Absorber Replacement»(ref-365265-S30782657542010070600000) .
  14. Remove the rear suspension crossmember wire harness retainers from the vehicle underbody.
  15. Disconnect the rear suspension crossmember wire harness from the vehicle body wire harness.
  16. Support the rear suspension crossmember with a suitable stand.
  17. Remove the four bolts securing the rear suspension crossmember to vehicle.
  18. With the aid of an assistant, carefully lower the rear suspension crossmember or raise the vehicle away from the rear suspension crossmember.
  19. Remove the jounce bumpers and springs from the rear suspension crossmember.
  20. Release the wire harness retainers from the rear suspension crossmember.
  21. Remove the wire harness from the rear suspension crossmember.
  22. Remove the right park brake cable retaining bolts from the rear suspension crossmember.
  23. Remove the right park brake cable from the rear suspension crossmember.
  24. Remove the remaining suspension components from the rear suspension crossmember: Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(ref-365265-S36043720312010070600000) . Upper control arm-Refer to «Upper Control Arm Replacement»(ref-365265-S17071389232010070600000) . Adjustment link-Refer to «Adjust Link Replacement»(ref-365265-S03061768832010070600000) . Lower control arm-Refer to «Lower Control Arm Replacement»(ref-365265-S31049635732010070600000) .
  1. Install the following suspension components to the rear suspension crossmember: Lower control arm-Refer to «Lower Control Arm Replacement»(ref-365265-S31049635732010070600000) . Adjustment link-Refer to «Adjust Link Replacement»(ref-365265-S03061768832010070600000) . Upper control arm-Refer to «Upper Control Arm Replacement»(ref-365265-S17071389232010070600000) . Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(ref-365265-S36043720312010070600000) .
  2. Install the right park brake cable to the rear suspension crossmember.
  3. Install the right park brake cable retaining bolts to the rear suspension crossmember. Tighten: Tighten the bolts to 10 N.m (89 lb in).
  4. Install the wire harness to the rear suspension crossmember.
  5. Attach the wire harness retainers to the rear suspension crossmember.
  6. Install the jounce bumpers and springs to the rear suspension crossmember. Refer to «Rear Spring, Insulator, and Jounce Bumper Replacement»(ref-365265-S38119969522010070600000) for proper spring installation.
  7. 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.
  8. Install the four bolts securing the rear suspension crossmember to vehicle. Tighten: Tighten the bolts to 170 N.m (125 lb ft).
  9. Connect the rear suspension crossmember wire harness to the vehicle body wire harness.
  10. Install the rear suspension crossmember wire harness retainers to the vehicle underbody.
  11. Install the lower bolts to the rear shock absorbers. Refer to «Shock Absorber Replacement»(ref-365265-S30782657542010070600000) . Tighten: Tighten the bolts to 50 N.m (37 lb ft).
  12. Install both the rear brake backing plates.
  13. Connect the right park brake cable to the brake backing plate.
  14. Install the park brake cables to the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(ref-365264-S27745069662010070600000) .
  15. Install the rear differential assembly, axles, and wheel bearings. Refer to «Differential Replacement»(ref-365263-S12753267282010070600000) .
  16. Install the rear brake caliper and bracket assemblies to the rear knuckles.
  17. Install the rear brake caliper bracket bolts. Tighten: Tighten the bolts to 50 N.m (37 lb ft).
  18. Install the wheel drive shaft nut.
  19. Insert a brass drift or punch in the brake rotor so that the brass drift or punch rest against the brake caliper mounting bracket.
  20. Using a torque wrench and socket, tighten the new wheel drive shaft nut. Tighten: Tighten the nut to 260 N.m (192 lb ft).
  21. Install the muffler. Refer to «Exhaust Muffler Replacement (With NB5)»(ref-365262-S35396637962010070600000) or «Exhaust Muffler Replacement (With NEA,NEB or N10)»(ref-365262-S24106472052010070600000) .
  22. Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  23. Lower the vehicle.
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  3. Remove the muffler. «Exhaust Muffler Replacement (With NB5)»(ref-365262-S35396637962010070600000) or «Exhaust Muffler Replacement (With NEA,NEB or N10)»(ref-365262-S24106472052010070600000) .
  4. Remove the rear brake caliper bracket bolts.
  5. Secure the rear brake caliper and bracket assemblies to the vehicle underbody.
  6. Remove the park brake cables from the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(ref-365264-S27745069662010070600000) .
  7. Remove the lower bolts from the rear shock absorbers. Refer to «Shock Absorber Replacement»(ref-365265-S30782657542010070600000) .
  8. Remove the rear suspension crossmember wire harness retainers from the vehicle underbody.
  9. Disconnect the rear suspension crossmember wire harness from the vehicle body wire harness.
  10. Support the rear suspension crossmember with a suitable stand.
  11. Remove the four bolts securing the rear suspension crossmember to vehicle.
  12. With the aid of an assistant, carefully lower the rear suspension crossmember or raise the vehicle away from the rear suspension crossmember.
  13. Remove the jounce bumpers and springs from the rear suspension crossmember.
  14. Release the wire harness retainers from the rear suspension crossmember.
  15. Disconnect the wire harness from the wheel speed sensors.
  16. Remove the wire harness from the rear suspension crossmember.
  17. Release the wheel speed wire harness retainers from the rear suspension crossmember.
  18. Remove the right park brake cable retaining bolts from the rear suspension crossmember.
  19. Remove the right park brake cable from the rear suspension crossmember.
  20. Remove the remaining suspension components from the rear suspension crossmember: Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(ref-365265-S36043720312010070600000) . Upper control arm-Refer to «Upper Control Arm Replacement»(ref-365265-S17071389232010070600000) . Adjustment link-Refer to «Adjust Link Replacement»(ref-365265-S03061768832010070600000) . Lower control arm-Refer to «Lower Control Arm Replacement»(ref-365265-S31049635732010070600000) .
  1. Install the following suspension components to the rear suspension crossmember: Lower control arm-Refer to «Lower Control Arm Replacement»(ref-365265-S31049635732010070600000) . Adjustment link-Refer to «Adjust Link Replacement»(ref-365265-S03061768832010070600000) . Upper control arm-Refer to «Upper Control Arm Replacement»(ref-365265-S17071389232010070600000) . Stabilizer shaft insulator brackets-Refer to «Stabilizer Shaft Insulator Replacement»(ref-365265-S36043720312010070600000) .
  2. Install the right park brake cable to the rear suspension crossmember.
  3. Install the right park brake cable retaining bolts to the rear suspension crossmember. Tighten: Tighten the bolts to 10 N.m (89 lb in).
  4. Install the wheel speed wire harness retainers to the rear suspension crossmember.
  5. Install the wire harness to the rear suspension crossmember.
  6. Attach the wire harness retainers to the rear suspension crossmember.
  7. Connect the wire harness to the wheel speed sensors.
  8. Install the jounce bumpers and springs to the rear suspension crossmember. Refer to «Rear Spring, Insulator, and Jounce Bumper Replacement»(ref-365265-S38119969522010070600000) for proper spring installation.
  9. 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.
  10. Install the four bolts securing the rear suspension crossmember to vehicle. Tighten: Tighten the bolts to 170 N.m (125 lb ft).
  11. Connect the rear suspension crossmember wire harness to the vehicle body wire harness.
  12. Install the rear suspension crossmember wire harness retainers to the vehicle underbody.
  13. Install the lower bolts to the rear shock absorbers. Refer to «Shock Absorber Replacement»(ref-365265-S30782657542010070600000) . Tighten: Tighten the bolts to 50 N.m (37 lb ft).
  14. Install the park brake cables to the park brake cable equalizer and park brake cable bracket. Refer to «Parking Brake Cable Equalizer Replacement»(ref-365264-S27745069662010070600000) .
  15. Install the rear brake caliper and bracket assemblies to the rear knuckles.
  16. Install the rear brake caliper bracket bolts. Tighten: Tighten the bolts to 50 N.m (37 lb ft).
  17. Install the muffler. «Exhaust Muffler Replacement (With NB5)»(ref-365262-S35396637962010070600000) or «Exhaust Muffler Replacement (With NEA,NEB or N10)»(ref-365262-S24106472052010070600000) .
  18. Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  19. Lower the vehicle.
  1. Install the engine support fixture. Refer to «Engine Support Fixture»(ref-365266-S30653806962010070600000) .
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  3. Remove the front tires and wheels. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  4. Remove the left engine splash shield. Refer to «Engine Splash Shield Replacement»(ref-365238-S23843715762010070600000) .
  5. Remove the exhaust flexible pipe. Refer to «Exhaust Flexible Pipe Replacement»(ref-365262-S25119686372010070600000) .
  6. Remove the propeller shaft if the vehicle is equipped with all wheel drive. Refer to «Propeller Shaft Replacement»(ref-365267-S32728570342010070600000) .
  7. Remove both lower ball joint retaining nuts. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  8. Remove the lower ball joints from the steering knuckles. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  9. Disconnect the stabilizer shaft links from the stabilizer shaft. Refer to «Stabilizer Shaft Link Replacement»(ref-365268-S40869224812010070600000) .
  10. Remove the power steering gear heat shields. Refer to «Steering Gear Heat Shield Replacement»(ref-365269-S09116525432010070600000) .
  11. Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(ref-365249-S30763019532010070600000) .
  12. Remove the power steering gear bolts. Refer to «Steering Gear Replacement»(ref-365269-S39096044982010070600000) .
  13. Remove the power steering gear from the frame. Refer to «Steering Gear Replacement»(ref-365269-S39096044982010070600000) .
  14. Use mechanics wire secure the power steering gear to the exhaust manifold.
  15. Remove the power steering cooler inlet pipe from the frame. Refer to «Power Steering Cooler Pipe/Hose Replacement»(ref-365269-S38360862572010070600000) .
  16. Remove and discard the engine and transmission mount lower nuts.
  17. Lower the vehicle until the frame contacts the J 39580 . See «Special Tools»(ref-365238-S04389864092010070600000) .
  18. Remove the underbody rear side rail. Refer to «Underbody Rear Side Rail Replacement»(ref-365238-S19298736682010070600000) .
  19. Remove the front crossmember brace bolts (3).
  20. Remove the front frame to body bolts (2).
  21. Remove the front crossmember brace (1).
  22. Remove the reinforcement bolts (2).
  23. Remove the reinforcement studs (3).
  24. Remove the frame to body bolts (4).
  25. Remove the reinforcements (1).
  26. Raise the vehicle in order to separate the frame from the vehicle.
  27. Remove the frame brace bolts.
  28. Remove the frame brace.
  29. Remove the stabilizer shaft. Refer to «Stabilizer Shaft Insulator Replacement»(ref-365268-S05801487702010070600000) .
  30. Remove the lower control arms. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  31. Remove the frame insulators from the frame. Refer to «Drivetrain and Front Suspension Frame Front Insulator Replacement»(ref-365238-S38225460482010070600000) and «Drivetrain and Front Suspension Frame Rear Insulator Replacement»(ref-365238-S07068067752010070600000) .
  1. Install the frame insulators to the frame. Refer to «Drivetrain and Front Suspension Frame Front Insulator Replacement»(ref-365238-S38225460482010070600000) and «Drivetrain and Front Suspension Frame Rear Insulator Replacement»(ref-365238-S07068067752010070600000) .
  2. Install the lower control arms. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  3. Install the stabilizer shaft. Refer to «Stabilizer Shaft Insulator Replacement»(ref-365268-S05801487702010070600000) .
  4. Install the frame brace.
  5. Install the frame brace bolts and tighten to 60 N.m (44 lb ft).
  6. Position the transmission table with the frame under the vehicle.
  7. Lower the vehicle while aligning the powertrain mounts with the frame until the vehicle is close to the frame.
  8. 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.
  9. Install the front crossmember brace (1).
  10. Install the front frame to body bolts (2) and tighten to 110 N.m (81 lb ft) plus 90 degrees.
  11. Install the front crossmember brace bolts (3) and tighten to 50 N.m (37 lb ft).
  12. Install the reinforcements (1).
  13. Install the rear frame to body bolts (4) and tighten to 110 N.m (81 lb ft) plus 90 degrees.
  14. Install the reinforcement bolts (2) and tighten to 60 N.m (44 lb ft).
  15. Install the reinforcement studs (3) and tighten to 60 N.m (44 lb ft).
  16. Remove the alignment pins from the frame.
  17. Install the underbody rear side rail. Refer to «Underbody Rear Side Rail Replacement»(ref-365238-S19298736682010070600000) .
  18. Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the engine and transmission mount threads.
  19. Install the engine and transmission mount nuts and tighten to 75 N.m (55 lb ft).
  20. Install the power steering cooler inlet pipe to the frame. Refer to «Power Steering Cooler Pipe/Hose Replacement»(ref-365269-S38360862572010070600000) .
  21. Install the power steering gear to the frame. Refer to «Steering Gear Replacement»(ref-365269-S39096044982010070600000) .
  22. Install the power steering gear bolts. Refer to «Steering Gear Replacement»(ref-365269-S39096044982010070600000) .
  23. Install the power steering gear heat shield. Refer to «Steering Gear Heat Shield Replacement»(ref-365269-S09116525432010070600000) .
  24. Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(ref-365249-S30763019532010070600000) .
  25. Connect the stabilizer shaft links to the stabilizer shaft. Refer to «Stabilizer Shaft Link Replacement»(ref-365268-S40869224812010070600000) .
  26. Install the lower ball joints to the steering knuckles. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  27. Install both lower ball joint retaining nuts. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  28. Install the propeller shaft if the vehicle is equipped with all wheel drive. Refer to «Propeller Shaft Replacement»(ref-365267-S32728570342010070600000) .
  29. Install the exhaust flexible pipe. Refer to «Exhaust Flexible Pipe Replacement»(ref-365262-S25119686372010070600000) .
  30. Install the left engine splash shield. Refer to «Engine Splash Shield Replacement»(ref-365238-S23843715762010070600000) .
  31. Install the front tires and wheels. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  32. Lower the vehicle.
  33. Remove the engine support fixture.
  34. Inspect the front wheel alignment and adjust the toe angle if necessary. Refer to «Wheel Alignment Measurement»(ref-365270-S36089948862010070600000) .

Scheme 2

Scheme 2: Frame Brace Replacement
Scheme 2: Frame Brace Replacement
CalloutComponent Name
Preliminary Procedure: Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Frame Brace Bolt (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten: 60 N.m (44 lb ft)
2Frame Brace
CAUTION
Refer to Fastener Caution .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(ref-365249-S30763019532010070600000) .
  3. Install a jackstand under the center of the frame, between the front frame insulators.
  4. Remove the front crossmember brace bolts (3).
  5. Remove the front frame to body bolts (2).
  6. Remove the crossmember brace (1).
  7. Lower the front of the frame only enough to service the insulator, approximately 38 mm (1.5 in).
  8. Remove the upper insulator.
  9. 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.
  10. Continue extracting the insulator until it is fully removed from the frame.
  1. Clean the frame insulator opening.
  2. 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.
  3. Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the frame insulator.
  4. Install clamp J 45725: Installer onto the insulator about 1/8 inch from the top of the insulator.
  5. Align the split of the insulator to the front of the frame.
  6. Install J 45725: Installer to the insulator and the frame.
  7. Using J 45725: Installer install the insulator until the insulator is halfway recessed in the frame.
  8. Remove only the clamp J 45725: Installer.
  9. Using J 45725: Installer continue installing the insulator until the flange lip of the insulator is fully seated to the bottom of the frame.
  10. Remove J 45725: Installer from the insulator and the frame.
  11. Install the upper insulator.
  12. Raise the front of the frame.
  13. Install the front crossmember brace (1).
  14. Install the front frame to body bolts (2). Tighten: Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
  15. Install the front crossmember brace bolts (3). Tighten: Tighten the bolt to 50 N.m (37 lb ft).
  16. Remove the jackstand.
  17. Connect the intermediate shaft to the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(ref-365249-S30763019532010070600000) .
  18. Lower the vehicle.
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Disconnect the intermediate shaft from the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(ref-365249-S30763019532010070600000) .
  3. Install a jackstand under the center of the frame, between the rear frame insulators.
  4. Remove the reinforcement bolts (2).
  5. Remove the reinforcement studs (3).
  6. Remove the frame to body bolts (4).
  7. Remove the reinforcements (1).
  8. Lower the rear of the frame only enough to service the insulator, approximately 38 mm (1.5 in).
  9. Remove the upper insulator.
  10. 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.
  11. Continue extracting the insulator until it is fully removed from the frame.
  1. Clean the frame insulator opening.
  2. 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.
  3. Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the frame insulator.
  4. Install clamp J 45725: Installer onto the insulator about 1/8 inch from the top of the insulator.
  5. Align the split of the insulator to the front of the frame.
  6. Install J 45725: Installer to the insulator and the frame.
  7. Using J 45725: Installer install the insulator until the insulator is halfway recessed in the frame.
  8. Remove only the clamp J 45725: Installer.
  9. Using J 45725: Installer continue installing the insulator until the flange lip of the insulator is fully seated to the bottom of the frame.
  10. Remove J 45725: Installer from the insulator and the frame.
  11. Install the upper insulator.
  12. Raise the rear of the frame.
  13. Install the reinforcements (1).
  14. Install the rear frame to body bolts (4). Tighten: Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
  15. Install the reinforcement bolts (2). Tighten: Tighten the bolt to 60 N.m (44 lb ft).
  16. Install the reinforcement studs (3). Tighten: Tighten the stud to 60 N.m (44 lb ft).
  17. Remove the jackstand.
  18. Connect the intermediate shaft to the steering gear stub shaft. Refer to «Intermediate Steering Shaft Replacement»(ref-365249-S30763019532010070600000) .
  19. Lower the vehicle.

Scheme 3

Scheme 3: Front Wheelhouse Front Liner Replacement (Enclave - Acadia)
Scheme 3: Front Wheelhouse Front Liner Replacement (Enclave - Acadia)
CalloutComponent Name
Preliminary Procedure: Remove the front rear wheelhouse liner. Refer to Front Wheelhouse Rear Liner Replacement (Traverse) or Front Wheelhouse Rear Liner Replacement (OUTLOOK) .
1Front Wheelhouse Liner - Front (Qty: 5)
2Front Wheelhouse Liner - Front Screw (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten: 6 N.m (53 lb in)
3Front Wheelhouse Liner
CAUTION
Refer to Fastener Caution .

Scheme 4

Scheme 4: Front Wheelhouse Front Liner Replacement (OUTLOOK - Traverse)
Scheme 4: Front Wheelhouse Front Liner Replacement (OUTLOOK - Traverse)
CalloutComponent Name
Preliminary Procedure: Remove the tire/wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Front Wheelhouse Liner Screw - Front (Qty: 10) CAUTION: Refer to Fastener Caution . Tighten: 2.5 N.m (22 lb in)
2Front Wheelhouse Liner Plastic Retainer - Front (Qty: 11)
3Front Wheelhouse Liner - Front
CAUTION
Refer to Fastener Caution .

Scheme 5

Scheme 5: Front Wheelhouse Rear Liner Replacement (Traverse)
Scheme 5: Front Wheelhouse Rear Liner Replacement (Traverse)
CalloutComponent Name
Preliminary Procedure: Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Front Wheelhouse Panel Rear Plastic Retainer (Qty: 8)
2Front Wheelhouse Panel Rear Liner Nut CAUTION: Refer to Fastener Caution . Tighten: 6 N.m (53 lb in)
3Front Wheelhouse Panel Rear Screw (Qty: 4) Tighten: 1.5 N.m (13 lb in)
4Front Wheelhouse Panel Rear
CAUTION
Refer to Fastener Caution .

Scheme 6

Scheme 6: Front Wheelhouse Rear Liner Replacement (OUTLOOK)
Scheme 6: Front Wheelhouse Rear Liner Replacement (OUTLOOK)
CalloutComponent Name
Preliminary Procedure: Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Front Wheelhouse Panel Rear Plastic Retainer (Qty: 14)
2Front Wheelhouse Panel Rear

Scheme 7

Scheme 7: Rear Wheelhouse Panel Liner Replacement
Scheme 7: Rear Wheelhouse Panel Liner Replacement
CalloutComponent Name
Preliminary Procedure: Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Rear Wheelhouse Liner Screw (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten: 2.5 N.m (22 lb in)
2Rear Wheelhouse Liner Plastic Retainer (Qty: 3)
3Rear Wheelhouse Liner Procedure: Install using the reverse procedure, with the proper alignment of the rear wheelhouse liner.
CAUTION
Refer to Fastener Caution .

Scheme 8

Scheme 8: Engine Splash Shield Replacement
Scheme 8: Engine Splash Shield Replacement
CalloutComponent Name
Preliminary Procedure: Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Engine Splash Shield Plastic Retainer (Qty: 3)
2Engine Splash Shield

Scheme 9

Scheme 9: Drivetrain and Front Suspension Frame Reinforcement Replacement
Scheme 9: Drivetrain and Front Suspension Frame Reinforcement Replacement
CalloutComponent 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.
1Frame Reinforcement Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten: 60 N.m (44 lb ft)
2Frame Reinforcement Stud Tighten: 60 N.m (44 lb ft)
3Frame Bolt (Qty: 2) Tighten: 110 N.m (81 lb ft) plus 90 degrees
4Frame Reinforcement (Qty: 2)
CAUTION
Refer to Fastener Caution .
  1. Remove the spare tire.
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  3. Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  4. Remove the rear brake caliper bracket bolts.
  5. Support the rear brake caliper.
  6. Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
  7. Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
  8. Install a jackstand under the front of the rear drive module.
  9. Install jackstands under the front and rear of the suspension crossmember.
  10. Remove the suspension crossmember to body bolts.
  11. Remove the rear axle differential to body bolt.
  12. Lower the rear drive module and suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
  13. Remove the upper mount.
  14. 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.
  15. Continue extracting the mount until it is fully removed from the suspension crossmember.
  1. Clean the suspension crossmember mount opening.
  2. 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.
  3. Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
  4. Install clamp J 45725: Installer onto the mount about 1/8 inch from the top of the mount.
  5. Align the split of the mount to the front of the suspension crossmember.
  6. Install J 45725: Installer to the mount and the suspension crossmember.
  7. Using J 45725: Installer install the mount until the mount is halfway recessed in the suspension crossmember.
  8. Remove only the clamp J 45725: Installer.
  9. 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.
  10. Remove J 45725: Installer from the mount and the suspension crossmember.
  11. Install the upper mount.
  12. Raise the suspension crossmember and rear drive module.
  13. Install the suspension crossmember to body bolts. Tighten: Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
  14. Install the rear axle differential to body bolt. Tighten: Tighten the bolts to 160 N.m (118 lb ft).
  15. Remove the jackstands.
  16. Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(ref-365271-S20341261492010070600000) .
  17. Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  18. Lower the vehicle.
  19. Install the spare tire.
  1. Remove the spare tire.
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  3. Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  4. Remove the rear brake caliper bracket bolts.
  5. Support the rear brake caliper.
  6. Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
  7. Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
  8. Install jackstands under the front and rear of the suspension crossmember.
  9. Remove the suspension crossmember to body bolts.
  10. Lower the suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
  11. Remove the upper mount.
  12. 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.
  13. Continue extracting the mount until it is fully removed from the suspension crossmember.
  1. Clean the frame mount opening.
  2. 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.
  3. Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
  4. Install clamp J 45725: Installer onto the mount about 1/8 inch from the top of the mount.
  5. Align the split of the mount to the front of the suspension crossmember.
  6. Install J 45725: Installer to the mount and the suspension crossmember.
  7. Using J 45725: Installer install the mount until the mount is halfway recessed in the suspension crossmember.
  8. Remove only the clamp J 45725: Installer.
  9. 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.
  10. Remove J 45725: Installer from the mount and the suspension crossmember.
  11. Install the upper mount.
  12. Raise the suspension crossmember.
  13. Install the suspension crossmember to body bolts. Tighten: Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
  14. Remove the jackstands.
  15. Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(ref-365271-S20341261492010070600000) .
  16. Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  17. Lower the vehicle.
  18. Install the spare tire.
  1. Remove the spare tire.
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  3. Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  4. Remove the rear brake caliper bracket bolts.
  5. Support the rear brake caliper.
  6. Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
  7. Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
  8. Install a jackstand under the front of the rear drive module.
  9. Install jackstands under the front and rear of the suspension crossmember.
  10. Remove the suspension crossmember to body bolts.
  11. Remove the rear axle differential to body bolt.
  12. Lower the rear drive module and suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
  13. Remove the upper mount.
  14. 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.
  15. Continue extracting the mount until it is fully removed from the suspension crossmember.
  1. Clean the suspension crossmember mount opening.
  2. 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.
  3. Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
  4. Install clamp J 45725: Installer onto the mount about 1/8 inch from the top of the mount.
  5. Align the split of the mount to the front of the suspension crossmember.
  6. Install J 45725: Installer to the mount and the suspension crossmember.
  7. Using J 45725: Installer install the mount until the mount is halfway recessed in the suspension crossmember.
  8. Remove only the clamp J 45725: Installer.
  9. 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.
  10. Remove J 45725: Installer from the mount and the suspension crossmember.
  11. Install the upper mount.
  12. Raise the suspension crossmember and rear drive module.
  13. Install the suspension crossmember to body bolts. Tighten: Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
  14. Install the rear axle differential to body bolt. Tighten: Tighten the bolts to 160 N.m (118 lb ft).
  15. Remove the jackstands.
  16. Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(ref-365271-S20341261492010070600000) .
  17. Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  18. Lower the vehicle.
  19. Install the spare tire.
  1. Remove the spare tire.
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  3. Remove the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  4. Remove the rear brake caliper bracket bolts.
  5. Support the rear brake caliper.
  6. Support the exhaust system on a suitable stand and disconnect the rubber insulator hangers from the exhaust system.
  7. Lower the exhaust only enough to allow lowering of the suspension crossmember 38 mm (1.5 in).
  8. Install jackstands under the front and rear of the suspension crossmember.
  9. Remove the suspension crossmember to body bolts.
  10. Lower the suspension crossmember only enough to service the mount, approximately 38 mm (1.5 in).
  11. Remove the upper mount.
  12. 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.
  13. Continue extracting the mount until it is fully removed from the suspension crossmember.
  1. Clean the frame mount opening.
  2. 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.
  3. Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the suspension crossmember mount.
  4. Install clamp J 45725: Installer onto the mount about 1/8 inch from the top of the mount.
  5. Align the split of the mount to the front of the suspension crossmember.
  6. Install J 45725: Installer to the mount and the suspension crossmember.
  7. Using J 45725: Installer install the mount until the mount is halfway recessed in the suspension crossmember.
  8. Remove only the clamp J 45725: Installer.
  9. 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.
  10. Remove J 45725: Installer from the mount and the suspension crossmember.
  11. Install the upper mount.
  12. Raise the suspension crossmember.
  13. Install the suspension crossmember to body bolts. Tighten: Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
  14. Remove the jackstands.
  15. Install the rear brake caliper bracket and bolts. Refer to «Rear Brake Caliper Bracket Replacement»(ref-365271-S20341261492010070600000) .
  16. Install the rear tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  17. Lower the vehicle.
  18. Install the spare tire.
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Disconnect the body wire harness (2) from the trailer wire harness connector (1).
  3. If replacing the trailer hitch, remove the trailer wire harness connector (1) from the trailer hitch (2).
  4. Remove the trailer hitch bolts (2-4).
  5. Remove the trailer hitch (1).
  1. Install the trailer hitch (1).
  2. Install the trailer hitch bolts (2-4). Tighten: Tighten the bolts to 100 N.m (74 lb ft).
  3. If previously removed, install the trailer wire harness connector (1) to the trailer hitch (2).
  4. Connect the body wire harness (2) to the trailer wire harness connector (1).
  5. lower the vehicle.

More articles — Frame and Underbody