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 MANUALSBUICK1987ELECTRA V6-231 3.8L VIN 3 FIREPAIR AND DIAGNOSISMAINTENANCEALIGNMENTSERVICE AND REPAIRFRONT WHEEL ALIGNMENT
1987 Buick Electra V6-231 3.8L VIN 3 FI
Front Wheel Alignment
1987 Buick Electra V6-231 3.8L VIN 3 FISECTION Front Wheel Alignment
Camber and toe are the only adjustments normally required. After checking settings, perform adjustments in the following order: caster, camber and toe in.
CASTER, ADJUST

1. Loosen, but do not remove, two of the three top strut mounting nuts covering the slotted mounting holes, Fig. 1.
2. Remove the third nut over the oval strut mounting hole and move the washer away from the mounting hole.
3. Raise vehicle by the body to separate the strut from inner wheel house.
4. Drill 11/32 inch holes at front and rear of oval strut mounting hole and file excess metal, Fig. 1.
5. Lower body and insert strut into proper position.
6. Set caster to specifications by moving top of strut forward or backward as needed.
7. Install mounting nut and washer. Torque all mounting nuts to 18 ft. lbs.
8. Recheck caster.
CAMBER, ADJUST

1. Loosen both strut to knuckle attaching nuts, Fig. 2.
2. Install camber adjusting tool J-29862.
3. Set camber to specifications.
4. Remove adjusting tool and torque strut to knuckle attaching nuts to 144 ft. lbs.
5. Recheck camber.
TOE, ADJUST

1. Loosen lock nuts on both inner tie rods, Fig. 3.
2. Adjust toe to specifications by rotating inner tie rod.
3. Torque lock nuts to 50 ft. lbs.
4. Recheck toe setting.
CASTER, ADJUST
Fig. 1 Caster adjustment:
1. Loosen, but do not remove, two of the three top strut mounting nuts covering the slotted mounting holes, Fig. 1.
2. Remove the third nut over the oval strut mounting hole and move the washer away from the mounting hole.
3. Raise vehicle by the body to separate the strut from inner wheel house.
4. Drill 11/32 inch holes at front and rear of oval strut mounting hole and file excess metal, Fig. 1.
5. Lower body and insert strut into proper position.
6. Set caster to specifications by moving top of strut forward or backward as needed.
7. Install mounting nut and washer. Torque all mounting nuts to 18 ft. lbs.
8. Recheck caster.
CAMBER, ADJUST
Fig. 2 Camber adjustment:
1. Loosen both strut to knuckle attaching nuts, Fig. 2.
2. Install camber adjusting tool J-29862.
3. Set camber to specifications.
4. Remove adjusting tool and torque strut to knuckle attaching nuts to 144 ft. lbs.
5. Recheck camber.
TOE, ADJUST
Fig. 3 Toe adjustments:
1. Loosen lock nuts on both inner tie rods, Fig. 3.
2. Adjust toe to specifications by rotating inner tie rod.
3. Torque lock nuts to 50 ft. lbs.
4. Recheck toe setting.
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.