GM Service Manual Online
For 1990-2009 cars only

Checks

Action

Lack of lubrication of the ball joints and the steering linkage

Lubricate the ball joints and the linkage. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.

Low or uneven front or rear tire pressure

Inflate the tires to the recommended pressure. Refer to Tire Inflation Description in Tires and Wheels.

Worn or loose hub and wheel bearing

Replace the hub and wheel bearing assembly.

    •  Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.

Incorrect front wheel alignment (caster)

Check and align the front suspension. Refer to Wheel Alignment Specifications in Wheel Alignment.

Broken or sagging spring (RWD)

Replace the spring. Refer to Front Coil Springs Replacement in Front Suspension.

Broken or sagging torsion bars (4WD)

Adjust the torsion bar. Refer to Trim Height Specifications in Suspension General Diagnosis.

Malfunctioning shock absorber

Check and replace the shock absorber.

    • Refer to Shock Absorber Replacement or
    •  Shock Absorber Replacement in Front Suspension.

Broken stabilizer shaft or a missing link

Replace the stabilizer shaft or link.

    • Refer to Stabilizer Shaft Replacement or
    •  Stabilizer Shaft Replacement in Front Suspension.