Power Steering Fluid Cooler: Service and Repair

Power Steering Fluid Cooler Replacement (4.3L, 4.8L, 5.3L, and 6.2L)

Removal Procedure

1. Remove the radiator grille. Refer to Radiator Grille Replacement (GMC) Radiator Grille ReplacementRadiator Grille Replacement (Chevrolet) Radiator Grille ReplacementRadiator Grille Replacement (Chevrolet HD) Radiator Grille ReplacementRadiator Grille Replacement (GMC HD) Radiator Grille Replacement.

2. Remove as much power steering fluid from the power steering fluid reservoir as possible.

3. Place drain pans under the vehicle as needed.





Caution:
Refer to Power Steering Hose Disconnected Caution Service Precautions.

4. Disconnect the power steering fluid cooler hose (3) from the steering gear (2).

5. Disconnect the power steering fluid cooler hose (4) from the power steering pump (1).





6. Remove the power steering fluid cooler bolts (2).

7. Remove the power steering fluid cooler (1) from the vehicle.

Installation Procedure





1. Install the power steering fluid cooler (1) to the vehicle.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the power steering fluid cooler bolts (2) and tighten to 9 Nm (80 lb in).





3. Connect the power steering fluid cooler hose (4) to the power steering pump (1).

4. Connect the power steering fluid cooler hose (3) to the steering gear (2).

5. Clean any excess fluid from the vehicle and remove the drain pans.

6. Install the radiator grille. Refer to Radiator Grille Replacement (GMC) Radiator Grille ReplacementRadiator Grille Replacement (Chevrolet) Radiator Grille ReplacementRadiator Grille Replacement (Chevrolet HD) Radiator Grille ReplacementRadiator Grille Replacement (GMC HD) Radiator Grille Replacement.

7. Fill and bleed the power steering system. Refer to Power Steering System Bleeding Service and Repair.