Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 642 (POWER STEERING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESPOWER STEERING FLUID LEAKS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Power Steering Fluid Leaks
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Power Steering Fluid Leaks
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you review the Power Steering System General Description and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Power Steering System |
| 2 | Verify that power steering fluid leaks are present. Is the power steering system leaking? |
Go to Step 3 | System OK |
| 3 | Inspect the power steering system fittings. Are the fittings leaking? |
Go to Step 8 | Go to Step 4 |
| 4 | Inspect the power steering hoses. Are the hoses leaking? |
Go to Step 9 | Go to Step 5 |
| 5 | Inspect the power steering pump and the reservoir for leaks. Is the power steering pump or reservoir leaking? |
Go to Step 10 | Go to Step 6 |
| 6 | Inspect the power steering gear for leaks. Is the power steering gear leaking? |
Go to Step 11 | Go to Step 7 |
| 7 | Inspect the power steering cooler for leaks. Is the power steering cooler leaking? |
Go to Step 12 | Go to Step 3 |
| 8 |
CAUTION:
Refer to Fastener Caution
. Tighten the fittings. Refer to Fastener Tightening Specifications .Did you complete the repair? |
Go to Step 13 | - |
| 9 | Replace the power steering hoses. Refer to the appropriate procedures:
Did you complete the repair? |
Go to Step 13 | - |
| 10 | Replace the power steering pump or reservoir. Refer to Power Steering Pump Replacement (V6) or Power Steering Pump Replacement (LH2) or Power Steering Fluid Reservoir Replacement (V6) or Power Steering Fluid Reservoir Replacement (LH2) . Did you complete the repair? |
Go to Step 13 | - |
| 11 | Replace the power steering gear. Refer to Steering Gear Replacement . Did you complete the repair? |
Go to Step 13 | - |
| 12 | Replace the power steering cooler. Refer to Power Steering Fluid Cooler Replacement (LH2 or LY7 with V92) or Power Steering Fluid Cooler Replacement (LLT or LY7 without V92) . Did you complete the repair? |
Go to Step 13 | - |
| 13 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.