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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2035 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSUPPER CONTROL ARM REPLACEMENT (1500)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Upper Control Arm Replacement (1500)

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Upper Control Arm Replacement (1500)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Upper Control Arm (1500)
GM1688190Courtesy of GENERAL MOTORS CORP.
Upper Control Arm Replacement (1500)

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 .

Procedure

  1. Disconnect the speed sensor electrical 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.
  4. Remove and discard the ball joint nut. Replace with NEW only.

Tighten 
50 N.m (37 lb ft)
Special Tools 
J-42188-B  Ball Joint Separator
2 Upper Control Arm Nut (Qty: 2)
Tighten 
190 N.m (140 lb ft)
3 Upper Control Arm Alignment Cam (Qty: 4)
4 Upper Control Arm Bolt (Qty: 2)
5 Upper Control Arm
Procedure 
Verify wheel alignment. Refer to Wheel Alignment Specifications
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.