Power Steering Gear Inlet Pipe/Hose Replacement
Power Steering Gear Inlet Pipe/Hose ReplacementRemoval Procedure
1. Place a drain pan under the vehicle in order to catch any power steering fluid.
Notice: Refer to Power Steering Hose Disconnected Notice in Service Precautions.
2. Remove the power steering gear inlet pipe (15) and the flare nut from the power steering pump.
3. Remove and discard the O-ring (3) from the high pressure port on the pump.
4. Remove the 2 bolts that retain the inlet pipe to the engine bracket.
5. Remove the 1 bolt that retains the inlet pipe to the frame.
6. Remove the inlet pipe and the flare nut from the power steering gear.
7. Remove and discard the O-ring (1) from the steering gear inlet port.
Installation Procedure
Notice: Refer to Installing Hoses without Twists or Bends Notice in Service Precautions.
1. Apply GM Goodwrench Automatic Transmission Fluid DEXRON-III, GM P/N 12378470, or the equivalent [1][2]ATF, in order to lubricate a NEW O-ring (1) for the inlet port on the power steering gear.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the power steering gear inlet pipe and the NEW O-ring to the steering gear.
^ Tighten the flare nut to 36 Nm (27 ft. lbs.).
3. Apply GM Goodwrench Automatic Transmission Fluid DEXRON-III, GM P/N 12378470, or the equivalent [1][2]ATF, in order to lubricate a NEW O-ring (3) for the high pressure port on the pump.
4. Install the gear inlet pipe and a NEW O-ring to the power steering pump.
^ Tighten the flare nut to 30 Nm (22 ft. lbs.).
5. Install the bolt in order to retain the inlet pipe to the frame.
^ Tighten the bolt to 6.5 Nm (57.5 inch lbs.).
6. Install the 2 bolts in order to retain the inlet pipe to the engine bracket.
^ Tighten the 2 bolts to 25 Nm (18 ft. lbs.).
Notice: Refer to Using Proper Power Steering Fluid Notice in Service Precautions.
7. Fill the power steering fluid reservoir. Refer to Checking and Adding Power Steering Fluid.
Notice: Refer to Air in the Power Steering System Notice in Service Precautions.
8. Bleed the power steering system. Refer to Bleeding the Power Steering System.
Power Steering Gear Outlet Pipe Replacement
Removal Procedure
1. Place a drain pan under the vehicle in order to catch any power steering fluid.
Notice: Refer to Power Steering Hose Disconnected Notice in Service Precautions.
2. Loosen the 2 hose clamps (11, 12) that retain the 2 power steering fluid cooler hoses to the 2 power steering gear outlet pipes (10, 13).
3. Remove the 2 gear outlet pipes from the 2 cooler hoses.
4. Remove the 2 bolts (6, 8) from the gear outlet pipe clips on the front frame.
5. Remove the bolt (4) that retains the outlet pipe to the left frame.
6. Loosen the hose clamp (5) that retains the power steering fluid reservoir inlet hose to the gear outlet pipe.
7. Remove the gear outlet pipe from the reservoir inlet hose.
8. Remove the gear outlet pipe and the flare nut from the steering gear.
9. Remove and discard the O-ring (17) from the outlet port on the steering gear.
10. Remove the 2 clips (7, 9) from the pipes.
Installation Procedure
Notice: Refer to Installing Hoses without Twists or Bends Notice in Service Precautions.
1. Apply GM Goodwrench Automatic Transmission Fluid DEXRON-III, GM P/N 12378470, or the equivalent [1][2]ATF, in order to lubricate a NEW O-ring (17) for the outlet port on the power steering gear.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the power steering gear outlet pipe and a NEW O-ring to the steering gear.
^ Tighten the flare nut to 36 Nm (27 ft. lbs.).
3. Install the 2 outlet pipes (10, 13) to the 2 power steering fluid cooler hoses. Install the 2 hose clamps (11, 12).
4. Install the outlet pipe to the power steering fluid reservoir inlet hose. Install the hose clamp (5).
5. Install the bolt (4) in order to retain the outlet pipe to the left
frame.
^ Tighten the bolt to 6.5 Nm (57.5 inch lbs.).
6. Install the 2 clips (7, 9) and the 2 bolts (6, 8) to the 2 outlet pipes.
^ Tighten the 2 bolts to 6.5 Nm (57.5 inch lbs.).
Notice: Refer to Using Proper Power Steering Fluid Notice in Service Precautions.
7. Fill the power steering fluid reservoir. Refer to Checking and Adding Power Steering Fluid.
Notice: Refer to Air in the Power Steering System Notice in Service Precautions.
8. Bleed the power steering system. Refer to Bleeding the Power Steering System.