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 MANUALSPONTIAC1983GRAND PRIX BASE, 5.0 HREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 9 (WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES (RWD))ADJUSTMENTSCASTER ADJUSTMENT
1983 Pontiac Grand Prix Base, 5.0 H
Caster Adjustment
1983 Pontiac Grand Prix Base, 5.0 HSECTION Caster Adjustment
WARNING: This page is about a different car, the 1985 Cadillac Fleetwood, 1984 Cadillac Fleetwood, and 1983 Cadillac Fleetwood. However, it is still accessible from the selected car via links, so may be relevant.
Caster is adjusted by transferring shims, from front to rear or rear to front, of the upper control arm shaft mounts and frame. See Figure . The difference between left and right caster should NOT be more than 1/2 degree.
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.