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 5 (WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES)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 does not describe the selected car, but rather 9 other vehicles, including the 1985 Oldsmobile Toronado, 1985 Cadillac Eldorado, 1985 Buick Riviera, 1984 Oldsmobile Toronado, and 1984 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
- Loosen, but DO NOT remove, one front outer nut and one inner nut from strut mounting tower. See Fig 1. Remove remaining nut and washer from strut mounting tower. Raise vehicle until outer strut stud has cleared hole.
- Using an 11/32" drill bit, drill one hole in front and one behind outer strut hole. File excess material from between holes to create an elongated slot. Lower vehicle to install strut into tower. Adjust caster to specification. Tighten nuts to 17 ft. lbs. (24 N.m).
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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.