Power Steering Fluid Leaks
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Power Steering Fluid Leaks
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you review the Power Steering System General Description? | Go to Step 2 | Go to Symptoms - Power Steering System |
| 2 | Inspect the power steering system for the following: * Inspect the power steering fluid level and condition. * Inspect for aftermarket devices which could affect the operation of the power steering system. * If necessary, clean the power steering system components, start the engine, and rotate the steering wheel from stop to stop. Turn the engine off and inspect all power steering system components for leaks. Is the power steering system leaking? |
Go to Step 3 | Go to Step 15 |
| 3 | Inspect the power steering system fittings. Are the fittings leaking? |
Go to Step 9 | Go to Step 4 |
| 4 | Inspect the power steering hoses. Are the hoses leaking? |
Go to Step 10 | Go to Step 5 |
| 5 | Inspect the following power steering pump components for leaks. * Flow control valve seal * Power Steering Pump Shaft Seal * Power Steering Pump Reservoir and Seals * Power Steering Pump Is the power steering pump components leaking? |
Go to Step 11 | Go to Step 6 |
| 6 | Inspect the following power steering gear for leaks. * Power Steering Gear Stub Shaft Seals * Power Steering Gear Pitman Shaft and/or seals Is the power steering gear leaking? |
Go to Step 12 | Go to Step 7 |
| 7 | Inspect the power steering cooler for leaks. Is the power steering cooler leaking? |
Go to Step 13 | Go to Step 8 |
| 8 | Inspect the hydraulic brake booster assembly for leaks. Refer to Power Brake Booster Leak Inspection Go To REPAIR INSTRUCTIONS
. Is the hydraulic brake booster assembly leaking? |
Go to Step 14 | Go to Step 15 |
| 9 | Important: If fitting is still to leaking after tightening, inspect for damage to the fitting and seals. Replace the damaged component as necessary. Tighten the fittings. Refer to Fastener Tightening Specifications . Did you complete the repair? |
Go to Step 15 | - |
| 10 | Replace the leaking power steering hoses. Refer to the appropriate procedure(s):
Did you complete the repair? |
Go to Step 15 | - |
| 11 | Replace the leaking power steering pump component. Refer to the appropriate procedure(s): * Power Steering Pump Flow Control Valve Replacement - Off Vehicle * Power Steering Pump Shaft Seal Replacement * Power Steering Reservoir Replacement - Off Vehicle . * Power Steering Pump Replacement Did you complete the repair? |
Go to Step 15 | - |
| 12 | Replace the leaking power steering gear component. Refer to the appropriate procedure(s): * Steering Gear Worm Gear Adjuster Seal and Stub Shaft Bearing Replacement * Steering Gear Pitman Shaft Seal and Bearing Replacement - Off Vehicle . * Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle Power Steering Gear Replacement Did you complete the repair? |
Go to Step 15 | - |
| 13 | Replace the power steering cooler. Refer to Power Steering Cooler Replacement . Did you complete the repair? |
Go to Step 15 | - |
| 14 | Replace the hydraulic brake booster assembly. Refer to Power Brake Booster Replacement
in Hydraulic Brakes. Did you complete the repair? |
Go to Step 15 | - |
| 15 | Start the vehicle and rotate the steering wheel from stop to stop and verify the system is not leaking. Did you correct the condition? |
System OK | Go to Step 2 |