Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 501 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSLOWER CONTROL ARM BUSHINGS REPLACEMENT (RWD)REMOVAL PROCEDURE

1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the lower control arm from the vehicle. Refer to LOWER CONTROL ARM REPLACEMENT (RWD) or LOWER CONTROL ARM REPLACEMENT (4WD) .
Install the lower control arm in a vise.
Remove the rear bushing.
1. 3.1 Install the following tools:
  - The J 22269-01
  - The J 21474-8
  - The J 21474-12
  - The J 21474-13
2. 3.2 Tighten until the rear bushing becomes free.
Fig 1: Rear Bushing
Courtesy of GENERAL MOTORS CORP.
Using a blunt chisel, drive the front bushing flare down flush with the rubber part of the bushing.
Prior to removing or installing the front bushing, place a wedge or spacer between the control arm bushing housing. This keeps the control arm bushing housing from bending while removing or installing the bushing.
Remove the front bushing.
1. 6.1 Install the following tools:
  - The J 21474-3
  - The J 21474-4
  - The J 21474-5
  - The J 21474-6
2. 6.2 Tighten until the bushing is partially removed.
3. 6.3 Reverse the J 21474-6 .
4. 6.4 Tighten until the front bushing becomes free.
Fig 2: Front Bushing
Courtesy of GENERAL MOTORS CORP.

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.