GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Tahoe - 2WD 🢒 Suspension 🢒 Suspension General Diagnosis 🢒 Upper Control Arm Replacement

Upper Control Arm Replacement 1500


Object Number: 1688190 Size: MF

Callout

Component Name

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

1

Upper Ball Joint Nut

Caution: Refer to Fastener Caution in the Preface section.

Procedure

  1. Disconnect the electronic suspension control link connector.
  2. Place a suitable support under the lower control arm and load the suspension.
  3. Use the J-42188-B to separate the ball joint from the steering knuckle.

Tighten
50 N·m (37 lb ft)

Special Tools

J-42188-B Ball Joint Separator

2

Wheel Speed Sensor Wire Bolt

Tighten
10 N·m (89 lb ft)

3

Brake Hose/Wheel Speed Sensor Harness Retainer Bolt

Tighten
9 N·m (80 lb in)

4

Upper Control Arm Nut (Qty: 4)

Tighten
190 N·m (140 lb ft)

5

Upper Control Arm Alignment Cam (Qty: 4)

6

Upper Control Arm Bolt (Qty: 2)

7

Upper Control Arm

Tip
Verify wheel alignment. Refer to Wheel Alignment Specifications

Upper Control Arm Replacement 2500

Special Tools

J-42188-B Ball Joint Separator

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  3. Remove the retaining bolt for the brake hose and the wheel speed sensor brackets.
  4. Remove the nut at the upper ball joint. Discard the nut.

    5. Object Number: 1809939 Size: SH
  5. Disconnect the upper control arm from the steering knuckle using the J-42188-B .

    6. Object Number: 793281 Size: SH
  6. Remove the upper control arm nuts and the adjustment cams.
  7. Remove the upper control arm.

Installation Procedure
  1. Install the upper control arm.

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 793281 Size: SH
  2. Install the upper control arm bolts and tighten to 190 N·m (140 lb ft).
  3. Connect the upper control arm to the steering knuckle.
  4. Install the new nut to the upper ball joint stud and tighten to 50 N·m (39 lb ft).
  5. Install the retaining bolts for the brake hose and wheel speed sensor brackets and tighten to 9 N·m (80 lb in).
  6. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  7. Lower the vehicle.
  8. Verify the wheel alignment. Refer to Wheel Alignment Specifications.