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)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Section 642 (Power Steering System)
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Section 642 (Power Steering System)
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.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- DTC C0176
- DTC C0450
- DTC C0475
- DTC C047A
- DTC C0561
- DTC C056D
- DTC C056E
- Symptoms - Active Front Steering
- Symptoms - Power Steering System
- Active Front Steering Warning Indicator Malfunction
- Power Steering System Test
- Power Steering Fluid Leaks
- Rattle, Clunk, or Shudder Noise from the Power Steering System
- Whine or Growl Noise from the Power Steering System
- Poor Return of Steering Wheel
- Steering Effort Too Easy in One or Both Directions
- Steering Effort Hard in One or Both Directions
- Repair Instructions
- Steering Linkage Inner Tie Rod Inspection
- Steering Linkage Outer Tie Rod Inspection
- Power Steering System Bleeding
- Checking and Adding Power Steering Fluid
- Power Steering System Flushing
- Power Steering Fluid Reservoir Replacement (V6)
- Power Steering Fluid Reservoir Replacement (LH2)
- Power Steering Pump Pulley Replacement
- Power Steering Pump Replacement (V6)
- Power Steering Pump Replacement (LH2)
- Power Steering Pump Bracket Replacement (V6)
- Power Steering Pump Bracket Replacement (LH2)
- Steering Linkage Outer Tie Rod Replacement
- Power Steering Cooler Pipe/Hose Replacement
- Power Steering Fluid Cooler Replacement (LH2 or LY7 with V92)
- Power Steering Fluid Cooler Replacement (LLT or LY7 without V92)
- Power Steering Fluid Reservoir Inlet Hose Replacement (V6)
- Power Steering Fluid Reservoir Inlet Hose Replacement (LH2)
- Power Steering Fluid Reservoir Outlet Hose Replacement (V6)
- Power Steering Fluid Reservoir Outlet Hose Replacement (LH2)
- Power Steering Gear Inlet Pipe/Hose Replacement (V6)
- Power Steering Gear Inlet Pipe/Hose Replacement (LH2)
- Power Steering Gear Outlet Pipe/Hose Replacement
- Power Steering Control Module Replacement
- Steering Gear Replacement
- Description and Operation
- Special Tools and Equipment
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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.