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 38 (FRONT SUSPENSION SYSTEM)TROUBLE SHOOTINGRIDE TOO SOFT
1999 GMC Forward Control 5.7 R, Automatic
Ride Too Soft
1999 GMC Forward Control 5.7 R, AutomaticSECTION Ride Too Soft
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Did you review the General Description and perform the necessary inspections? See DESCRIPTION and VISUAL/PHYSICAL INSPECTION . Go to next step.
- Verify that the ride is too soft. If ride is too soft, go to next step. If ride is not too soft, system is okay.
- Inspect the tires for the proper inflation pressure. If tires are not inflated properly, repair and check system for normal operation. If tires are inflated properly and ride is still too soft, go to next step.
- Inspect the vehicle trim height. See WHEEL ALIGNMENT. After completing trim height inspection and adjustment. If trim height is not correct, repair and recheck system for normal operation.
- Inspect springs, struts, and shock absorbers for damage or malfunction. See STRUTS/SHOCK ABSORBER under ADJUSTMENTS & INSPECTION. Repair components as necessary and retest system for normal operation.
- Inspect the automatic level control system. See Electronic - Automatic Level Control. Repair as necessary.
- Road test vehicle to verify repair.
RENDER: 1.0x
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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.