GM Service Manual Online
For 1990-2009 cars only

Checks

Action

DEFINITION: Vehicle ride unsteady and harsh.

Tire air pressure is too high

Deflate the tire to the correct pressure. Refer to Tire Inflation Description in Tires and Wheels.

Worn or loose hub and wheel bearing

Replace the hub and wheel bearing assembly. Refer to Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.

Camber adjustment incorrect (Negative camber contributes to road shock)

Adjust camber. Refer to Wheel Alignment Specifications in Wheel Alignment.

Broken or sagging spring

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

Loose suspension components

Repair and adjust the components as necessary. Refer to Fastener Tightening Specifications in Front Suspension.