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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 349 (REAR SUSPENSION SYSTEM)REPAIR INSTRUCTIONSREAR AXLE REPLACEMENTREMOVAL 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 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle.
  2. Remove the rear tires and wheels.
  3. Use a utility stand in order to support the rear axle.
  4. Remove the rear axle coil springs, the spring seats and the spring insulators. Refer to COIL SPRING REPLACEMENT (FRONT WHEEL DRIVE WITH AXLE) , COIL SPRING REPLACEMENT (ALL WHEEL DRIVE)  or COIL SPRING REPLACEMENT (FRONT WHEEL DRIVE W/OUT AXLE)  .
  5. Remove the backing plate or the park brake support.
  6. Remove the park brake cables from the rear axle.
  7. Disconnect the intermediate brake hoses from the rear axle brake pipes.
  8. Use the utility stand in order to lower the rear axle.
  9. Remove the utility stand.
  10. Lower the vehicle until the rear axle contacts the ground.
  11. Remove the rear axle control arm bolts and nuts.
  12. Remove the control arms from the vehicle.
  13. Remove the rear axle.
    Fig 1: Rear Axle Assembly
    G00379248Courtesy of GENERAL MOTORS CORP.
  14. Remove the brake pipes from the rear axle.
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.