GM Service Manual Online
For 1990-2009 cars only

Problem

Action

DEFINITION: The vehicle ride is unsteady and harsh.

The tire air pressure is too high

Deflate the tire to the correct pressure.

There are worn wheel bearings

Replace the bearings. Refer to Front Wheel Bearing and Hub Replacement in Front Suspension.

There is incorrect front wheel alignment

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

There is a weak or broken front spring

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