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Front Suspension System: Removal & Installation GMC Acadia I

Suspension Front 4 illustrations ~1564 words

Removal Procedure

  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Remove the front tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  3. Remove the bolt from the intermediate shaft bracket to the front cradle. Refer to «Front Wheel Drive Intermediate Shaft Replacement»(ref-365290-S11433607362010070600000) .
  4. Remove the rear propeller shaft, if equipped. Refer to «Propeller Shaft Replacement»(ref-365267-S32728570342010070600000) .
  5. Disconnect the outer tie rods from the steering knuckles. Refer to «Steering Linkage Outer Tie Rod Replacement»(ref-365269-S28617561452010070600000) .
  6. Disconnect the stabilizer shaft links from the stabilizer shaft. Refer to «Stabilizer Shaft Link Replacement»(ref-365268-S40869224812010070600000) .
  7. Position an adjustable jack stand underneath the left rear and right rear of the front frame.
  8. Remove the left and right frame reinforcement mounting bolts.
  9. Loosen the front frame reinforcement mounting bolts (1).
  10. Loosen the front frame mounting bolts (2).
  11. Loosen the front frame rear mounting bolts (1).
  12. Lower the front frame (1) from the frame rail (2) until enough clearance is gained to remove the stabilizer shaft.
  13. Remove both left and right stabilizer shaft insulators. Refer to «Stabilizer Shaft Insulator Replacement»(ref-365268-S05801487702010070600000) .
  14. Remove the stabilizer shaft from the vehicle.

Installation Procedure

  1. Position the stabilizer shaft on the front frame.
  2. Install the left and right stabilizer shaft insulators and brackets. Refer to «Stabilizer Shaft Insulator Replacement»(ref-365268-S05801487702010070600000) .
  3. Connect the stabilizer shaft links to the stabilizer shaft. Refer to «Stabilizer Shaft Link Replacement»(ref-365268-S40869224812010070600000) .
  4. Using the jack stands, raise the front frame to the vehicle body leaving a gap of approximately 12 mm (0.5 in).
  5. Install the front frame mounting bolts (2) and tighten to 100 N.m (74 lb ft).
  6. Tighten the front frame mounting bolts an additional 90 degrees.
  7. Tighten the front frame reinforcement mounting bolts (1) to 50 N.m (37 lb ft).
  8. Install the front frame rear mounting bolts (1) and tighten to 100 N.m (74 lb ft).
  9. Tighten the front frame rear mounting bolts an additional 90 degrees.
  10. Install the left and right front frame reinforcement mounting bolts and tighten to 50 N.m (37 lb ft).
  11. Remove the adjustable jack stands.
  12. Install the bolt from the intermediate shaft bracket to the front cradle. Refer to «Front Wheel Drive Intermediate Shaft Replacement»(ref-365290-S11433607362010070600000) .
  13. Connect the outer tie rods to the knuckle. Refer to «Steering Linkage Outer Tie Rod Replacement»(ref-365269-S28617561452010070600000) .
  14. Install the rear propeller shaft, if equipped. Refer to «Propeller Shaft Replacement»(ref-365267-S32728570342010070600000) .
  15. Install the front tire and wheel assemblies. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  16. Remove the support and lower the vehicle.

Scheme 1

Scheme 1: Stabilizer Shaft Link Replacement
Scheme 1: Stabilizer Shaft Link Replacement
CalloutComponent Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
1Stabilizer Shaft Link (left side shown, right side similar). CAUTION: Refer to Fastener Caution . Procedure Use a wrench to prevent the stub link from rotating. Using the proper size wrench, remove the retaining nut for the upper stabilizer shaft link stub link. Repeat the previous steps to remove the lower stabilizer shaft stub link retaining nut. Remove the stabilizer shaft link from the vehicle. Tip: Use the wrench to hold the stabilizer shaft stub link while torquing to the specified torque. Tighten: Tighten the stabilizer link to strut nut to 70 N.m (52 lb ft) Tighten the stabilizer link to stabilizer shaft nut to 75 N.m (55 lb ft)
CAUTION
Refer to Fastener Caution .

Scheme 2

Scheme 2: Stabilizer Shaft Insulator Replacement
Scheme 2: Stabilizer Shaft Insulator Replacement
CalloutComponent Name
Preliminary Procedure: Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Stabilizer Shaft Clamp Bolt (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten: 50 N.m (37 lb ft)
2Stabilizer Shaft Insulator Clamp (Qty: 2)
3Stabilizer Shaft Insulator (Qty: 2) Tip: Lift up on the stabilizer shaft to gain enough clearance to remove the insulator.
CAUTION
Refer to Fastener Caution .
  1. Remove the lower control arm assembly. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  2. Install the lower control arm in a vise.
  3. Drill or grind off the head of the rivet.
  4. Use a punch and a hammer to loosen the rivets from the lower control arm.
  5. Remove the rivets from the lower control arm.
  6. Remove the ball joint from the lower control arm.
  1. Position the ball joint on the lower control arm.
  2. Install the ball joint mounting nuts and bolts. Tighten: Tighten the mounting nuts to 68 N.m (50 lb ft).
  3. Remove the lower control arm assembly from the vise.
  4. Install the lower control arm. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  5. Check the front end alignment of the vehicle. Refer to «Wheel Alignment Specifications»(ref-365270-S21557496652010070600000) .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Remove the tire and wheel. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  3. Remove the front brake rotor. Refer to «Front Brake Rotor Replacement»(ref-365271-S41622904242010070600000) .
  4. Remove the wheel drive shaft retaining nut and washer. Refer to «Front Wheel Drive Shaft Replacement»(ref-365290-S28433612192010070600000) .
  5. Install the J 42129 to the wheel bearing and hub.
  6. Using the J 42129 , separate the wheel drive shaft from the wheel bearing and hub.
  7. Remove the J 42129 from the wheel bearing and hub assembly.
  8. Remove the front wheel bearing hub bolts.
  9. Remove the wheel bearing and hub assembly.
  1. Position the wheel bearing and hub assembly in the knuckle.
  2. Using an approved solvent, clean the old threadlocker from the threads of the wheel bearing hub and the bolts.
  3. Apply the high-temperature, high- strength threard locker to 2/3 of the threads of the wheel bearing and the bolts.
  4. Install the retaining bolts for the wheel bearing and hub. Tighten: Tighten the bolts to 120 N.m (89 lb ft).
  5. Install the front brake rotor. Refer to «Front Brake Rotor Replacement»(ref-365271-S41622904242010070600000) .
  6. Install the wheel drive shaft retaining nut and washer. Refer to «Front Wheel Drive Shaft Replacement»(ref-365290-S28433612192010070600000) .
  7. Install the tire and wheel. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  8. Remove the support and lower the vehicle.

Scheme 3

Scheme 3: Steering Knuckle Replacement
Scheme 3: Steering Knuckle Replacement
CalloutComponent Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the wheel bearing/hub assembly. Refer to Front Wheel Bearing and Hub Replacement . Disconnect the outer tie rod from the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement . Disconnect the lower ball joint from the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement .
1Front Strut Suspension Nut (Qty: 2)
2Front Strut Suspension Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tip: Support the wheel drive shaft with mechanics wire after the knuckle has been removed. Tighten: 195 N.m (144 lb ft)
3Steering Knuckle
CAUTION
Refer to Fastener Caution .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Remove the tire and wheel. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  3. Disconnect the outer tie rod end from the steering knuckle. Refer to «Steering Linkage Outer Tie Rod Replacement»(ref-365269-S28617561452010070600000) .
  4. Turn the knuckle to the left.
  5. Using the proper size Allen wrench and a wrench, loosen the lower ball joint nut.
  6. Using the J 42188: separator (1), disconnect the lower ball joint from the knuckle.
  7. Remove the lower ball joint nut.
  8. Remove the front lower control arm front nut (4) from the stud (3).
  9. Remove the lower control arm rear nut (2) and bolt (1).
  10. Remove the front lower control arm from the vehicle.
  1. Position the front lower control arm in the frame.
  2. Install the front lower control arm rear nut (2) and bolt (1). Hand tighten the rear nut (2).
  3. Install the front lower control arm front nut (4) to the stud (3) and tighten to 195 N.m (144 lb ft).
  4. Tighten the front rear lower control arm rear nut (2) to 150 N.m (111 lb ft).
  5. Connect the lower ball joint in the knuckle.
  6. Install the ball joint nut and tighten to 40 N.m (30 lb ft).
  7. Tighten the ball joint nut an additional 90 degrees.
  8. Connect the outer tie rod end. Refer to «Steering Linkage Outer Tie Rod Replacement»(ref-365269-S28617561452010070600000) .
  9. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  10. Remove the support and lower the vehicle.

Scheme 4

Scheme 4: Front Lower Control Arm Bushing Replacement
Scheme 4: Front Lower Control Arm Bushing Replacement
CalloutComponent Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
1Front Lower Control Arm Bushing Nut CAUTION: Refer to Fastener Caution . Tighten: 195 N.m (144 lb ft)
2Front Lower Control Arm Bushing Bolt (Qty: 2) NOTE: When tightening the bolt to specifications, hold the bolt and torque the nut for the proper torque.
3Lower Control Arm Front Bushing Nut (Qty: 2) Tighten: 75 N.m (55 lb ft)
4Front Lower Control Arm Bushing NOTE: The control arm bushing is NOT serviced separately, but with the mounting bracket
CAUTION
Refer to Fastener Caution .
NOTE
When tightening the bolt to specifications, hold the bolt and torque the nut for the proper torque.
NOTE
The control arm bushing is NOT serviced separately, but with the mounting bracket
  1. Remove the front lower control arm assembly. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
  2. Install the lower control arm in a soft jawed vise.
  3. Assemble the J 2619-01 and the CH-48107 .
  4. Position the J 2619-01 and the CH-48107 lower control arm bushing.
  5. Using the J 2619-01 and the CH-48107 , remove the front lower control arm bushing.
  6. Using the J 5590 , remove the rear lower control arm bushing.
  1. Position the front and rear bushings so that they are equally in the control arm.
  2. Position the CH-48107 on the front bushing.
  3. Using the vise, compress the front and rear bushings until they are seated.
  4. Remove the lower control arm from the vise.
  5. Remove the CH-48107 from the front bushing.
  6. Install the lower control arm in the vehicle. Refer to «Lower Control Arm Replacement»(ref-365268-S37250022482010070600000) .
WARNINGIf you are replacing the wheel(s), the wheel stud(s), the wheel nut(s) or the wheel bolt(s), install only new GM original equipment parts. Installation of used parts or non-GM original equipment parts may cause the wheel to loosen, loss of tire air pressure, poor vehicle handling and loss of vehicle control resulting in personal injury.
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  2. Remove the tire and wheel. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  3. Remove the brake rotor. Refer to «Front Brake Rotor Replacement»(ref-365271-S41622904242010070600000) .
  4. Use the J 35917 in order to press the wheel stud (1) from the bearing/hub (2).
  1. Install a new wheel stud from the back side of the bearing/hub.
  2. Install 3 flat washers (1) to the wheel stud (3).
  3. Install a hex nut (2) to the wheel stud (3).
  4. Tighten the hex nut until the stud head is fully seated in the bearing/hub flange.
  5. Remove the hex nut and the washers from the wheel stud.
  6. Install the brake rotor. Refer to «Front Brake Rotor Replacement»(ref-365271-S41622904242010070600000) .
  7. Install the tire and wheel. Refer to «Tire and Wheel Removal and Installation»(ref-365240-S27749993072010070600000) .
  8. Lower the vehicle.
  1. Remove the air inlet grille. Refer to «Air Inlet Grille Panel Replacement»(ref-365237-S41065573192010070600000) .
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-365243-S07204316382010070600000) .
  3. Remove the stabilizer link at the front strut. Refer to «Stabilizer Shaft Link Replacement»(ref-365268-S40869224812010070600000) .
  4. Remove the wheel speed sensor wiring harness (1) and (2) from the front strut (3).
  5. If removing the front strut to service any other suspension or steering component, scribe a line in the steering knuckle against the front strut. This will aid in the realigning the front suspension.
  6. Lower the vehicle to gain access to the upper strut mounting bolts.
  7. Remove the front strut mounting bolts and nuts.
  8. Remove the upper strut mounting nuts.
  9. Separate the front strut from the steering knuckle.
  10. Remove the front strut assembly from the vehicle.
  11. If replacing the strut or the spring, refer to «Strut, Strut Component, or Spring Replacement»(ref-365268-S16125792392010070600000) .
  1. Position the front strut in the strut tower.
  2. Install the upper strut mounting nuts. Tighten: Tighten the mounting nut to 45 N.m (33 lb ft).
  3. Raise the vehicle.
  4. Position the front strut on the steering knuckle.
  5. Install the front strut to steering knuckle mounting nuts and bolts. Tighten: Tighten the mounting nut to 195 N.m (144 lb ft).
  6. Install the stabilizer link at the front strut. Refer to «Stabilizer Shaft Link Replacement»(ref-365268-S40869224812010070600000) .
  7. Install the wheel speed sensor wiring harness (1) and (2) on the front strut (3).
  8. Install the air inlet grille. Refer to «Air Inlet Grille Panel Replacement»(ref-365237-S41065573192010070600000) .
  9. Align the front end. Refer to «Wheel Alignment Measurement»(ref-365270-S36089948862010070600000) .

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