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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 501 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSFRONT COIL SPRINGS 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 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.
NOTE: Use care when handling the coil springs in order to avoid chipping or scratching the coating. Damage to the coating will result in premature failure of the coil springs.
  1. Remove the stabilizer shaft link from the lower control arm. Refer to STABILIZER SHAFT LINK REPLACEMENT (RWD)  or STABILIZER SHAFT LINK REPLACEMENT (4WD) .
  2. Remove the shock absorber. Refer to SHOCK ABSORBER REPLACEMENT (RWD)  or SHOCK ABSORBER REPLACEMENT (4WD) .
  3. Secure J 23028-01  to the end of a suitable jack.
  4. Cradle the lower control arm bushings using J 23028-01  .
  5. Raise the jack in order to relieve tension on the lower control arm pivot bolts.
    Fig 1: Securing SST To End Of Jack
    G01467710Courtesy of GENERAL MOTORS CORP.
  6. Turn the steering wheel to one side in order to allow the steering linkage to clear the lower control arm front pivot bolt.
  7. Remove the lower control arm pivot bolts and nuts.
    1. 7.1 Remove the lower control arm rear pivot bolt.
    2. 7.2 Remove the lower control arm front pivot bolt.
  8. Lower J 23028-01  slowly to relieve the tension from the front coil spring.
    Fig 2: Lower Control Arm
    G01467711Courtesy of GENERAL MOTORS CORP.
  9. Remove the front coil spring and the insulators. While removing the front coil spring, do not apply force to the lower control arm and/or lower ball joint.
    Fig 3: Front Coil Spring & Insulators
    G01467712Courtesy 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.