GM Service Manual Online
For 1990-2009 cars only

Checks

Actions

Restricted flow of the pump hoses and the steering gear pipes

    • Clean out the pipes and the hoses.
    • Replace the pipes and the hoses as needed.

Scores, cracks, or breaks of the pressure plate, the pump ring, the thrust plate, and the rotor

Replace the power steering pump.

Improperly contacted power steering hose with the body

Secure the pump hose in a clamp away from the body.

Insufficient power steering fluid level

Fill the power steering pump reservoir.