GM Service Manual Online
For 1990-2009 cars only

Checks

Actions

Adjust the intermediate shaft between the steering gear and the steering column.

Replace the coupling flange.

Adjust the steering coupling flange on the steering gear and the steering column.

Replace the coupling flange as needed.

Inspect the power steering pump flow control valve for sticking and improper installation.

Replace the power steering pump.

Inspect the power steering pump for insufficient pressure.

Replace the power steering pump.

Inspect the power steering pump for internal leaks.

Replace the power steering pump.

Inspect for a loose or a worn intermediate shaft.

Tighten the intermediate shaft.

Replace the intermediate shaft as needed.

Inspect the power steering pump serpentine belt tension.

Tighten the power steering serpentine belt.