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 MANUALSCHEVROLET1999EXPRESS 1/2 TON VAN V6-4.3L VIN WREPAIR AND DIAGNOSISMAINTENANCEALIGNMENTSERVICE AND REPAIRMEASURING WHEEL ALIGNMENT
1999 Chevrolet Express 1/2 Ton Van V6-4.3L VIN W
Measuring Wheel Alignment
1999 Chevrolet Express 1/2 Ton Van V6-4.3L VIN WSECTION Measuring Wheel Alignment
Before making any adjustments to the caster, the camber, or the toe angles, verify the following inspections:
1. Inspect the tires for the proper inflation pressures and normal tire wear.
2. Inspect the front wheel bearings for the proper adjustment. Refer to Wheel Bearing Adjustment.
3. Inspect the ball joints and the tie rod ends for damage. Refer to Ball Joint Wear Check in Suspension or Steering Linkage Inspection in Steering.
4. Inspect the wheels and the tires for runout. Refer to Tire and Wheel Runout Specifications.
5. Inspect the vehicle trim height. Refer to Trim Height Inspection Procedure.
6. Inspect the steering gear for looseness at the frame. Refer to Fastener Tightening Specifications.
7. Inspect the shock absorbers for leaks or any noticeable noise. Refer to Struts or Shock Absorbers On-Vehicle Testing in Suspension General Diagnosis.
8. Inspect the control arms or the stabilizer bar attachments for looseness. Refer to Fastener Tightening Specifications.
9. Inspect the steering wheel for excessive drag or poor return due to the stiff or rusted suspension or linkage components.
10. Install the alignment equipment following the equipment manufacturers instructions.
11. Jounce the front and the rear bumpers three times prior to checking the alignment.
12. Measure the alignment angles and record the readings.
1. Inspect the tires for the proper inflation pressures and normal tire wear.
2. Inspect the front wheel bearings for the proper adjustment. Refer to Wheel Bearing Adjustment.
3. Inspect the ball joints and the tie rod ends for damage. Refer to Ball Joint Wear Check in Suspension or Steering Linkage Inspection in Steering.
4. Inspect the wheels and the tires for runout. Refer to Tire and Wheel Runout Specifications.
5. Inspect the vehicle trim height. Refer to Trim Height Inspection Procedure.
6. Inspect the steering gear for looseness at the frame. Refer to Fastener Tightening Specifications.
7. Inspect the shock absorbers for leaks or any noticeable noise. Refer to Struts or Shock Absorbers On-Vehicle Testing in Suspension General Diagnosis.
8. Inspect the control arms or the stabilizer bar attachments for looseness. Refer to Fastener Tightening Specifications.
9. Inspect the steering wheel for excessive drag or poor return due to the stiff or rusted suspension or linkage components.
10. Install the alignment equipment following the equipment manufacturers instructions.
11. Jounce the front and the rear bumpers three times prior to checking the alignment.
12. Measure the alignment angles and record the readings.
RENDER: 1.0x
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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.