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 348 (SUSPENSION SYSTEM GENERAL DIAGNOSIS)SPECIFICATIONSTRIM HEIGHT SPECIFICATIONS
1999 GMC Forward Control 5.7 R, Automatic
Trim Height Specifications
1999 GMC Forward Control 5.7 R, AutomaticSECTION Trim Height Specifications
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
TRIM HEIGHT SPECIFICATIONS
| RPO | Service Preferred | Tolerance |
|---|---|---|
| Z Trim Height | ||
| FE1 | 44 mm (1.73 in) | 37.6-50.4 mm (1.48-1.98 in) |
| FE3 | 43 mm (1.69 in) | 36.6-49.4 mm (1.44-1.94 in) |
| FE4 (Z06) | 49 mm (1.93 in) | 42.6-55.4 mm (1.68-2.18 in) |
| D Trim Height | ||
| FE1 | 108 mm (4.253 in) | 101.6-114.4 mm (4.0-4.50 in) |
| FE3 | 107 mm (4.21 in) | 100.6-113.4 mm (3.96-4.46 in) |
| FE4 (Z06) | 104 mm (4.09 in) | 97.6-110.4 mm (3.84-4.35 in) |
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.