Power Steering Pump Replacement
Power Steering Pump ReplacementRemoval Procedure
1. Remove the air cleaner housing by removing the housing bolts and loosening the clamp.
2. Remove the pump drive belt from the pulley by moving the auto-tensioner.
3. Remove the power steering pump pulley bolt and the power steering pump pulley.
4. Drain the power steering fluid by disconnecting the pressure and supply lines from the pump.
5. Remove the pump assembly by removing the steering pump retaining bolts.
Installation Procedure
1. Notice: Refer to Fastener Notice in Service Precautions.
Install the pump and the steering pump retaining bolts.
Tighten the steering pump retaining bolts to 25 Nm (18 ft. lbs.).
2. Connect the pressure and supply lines to the power steering pump.
3. Install the power steering pump pulley and the pulley bolt.
Tighten the power steering pump pulley bolt to 25 Nm (18 ft. lbs.).
4. Install the pump drive belt onto the pulley by moving the auto-tensioner.
5. Install the air cleaner housing with the housing bolts and the clamp.
Tighten the air cleaner housing bolts to 12 Nm (106 inch lbs.).
6. Notice: When adding fluid or making a complete fluid change, always use a power steering fluid meeting GM Spec. No. 9985010 or equivalent. Fluid for cold climates is also available through GM Dealerships; refer to Specifications for further information. Failure to use the proper power steering fluid can cause power steering hose and seal damage, fluid leaks and pump failure.
Refill the pump with new fluid and bleed the air from the system.
7. Inspect for leaks. If leaks are found, correct the cause of the leak and bleed the system.