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 MANUALSCADILLAC1999SEVILLE SLS V8-4.6L VIN YREPAIR AND DIAGNOSISMAINTENANCEALIGNMENTSERVICE AND REPAIRPRELIMINARY ALIGNMENT INSPECTION
1999 Cadillac Seville SLS V8-4.6L VIN Y
Preliminary Alignment Inspection
1999 Cadillac Seville SLS V8-4.6L VIN YSECTION Preliminary Alignment Inspection
Perform the following front end inspection before making any adjustments affecting the wheel alignment:
1. Check for the proper inflation pressure of the tires. Refer to Tires/Specifications.
2. Inspect for excessive wear on the hub and on the bearing assemblies.
3. Inspect the following components:
- The ball joints
- The tie rod ends
4. Inspect the tires and the wheels for run out.
5. Check the vehicle trim heights. Refer to Trim Height Specifications in Suspension General Diagnosis. Make any needed corrections to trim height before you adjust the caster, the camber, or the toe-in.
6. Inspect for looseness of the steering gear on the crossmember.
7. Inspect the shock absorbers for leaks. Check the shock absorbers for noise.
8. Inspect for looseness of the control arms or looseness of the stabilizer shaft attachments.
9. Inspect the alignment equipment. Follow the manufacturer's instructions.
10. The vehicle must be on a level surface.
1. Check for the proper inflation pressure of the tires. Refer to Tires/Specifications.
2. Inspect for excessive wear on the hub and on the bearing assemblies.
3. Inspect the following components:
- The ball joints
- The tie rod ends
4. Inspect the tires and the wheels for run out.
5. Check the vehicle trim heights. Refer to Trim Height Specifications in Suspension General Diagnosis. Make any needed corrections to trim height before you adjust the caster, the camber, or the toe-in.
6. Inspect for looseness of the steering gear on the crossmember.
7. Inspect the shock absorbers for leaks. Check the shock absorbers for noise.
8. Inspect for looseness of the control arms or looseness of the stabilizer shaft attachments.
9. Inspect the alignment equipment. Follow the manufacturer's instructions.
10. The vehicle must be on a level surface.
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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.