|
|
Content .. 2702 2703 2704 2705 ..
DIAGNOSTIC STARTING POINT - POWER STEERING SYSTEM (W/O ELECTRO-HYDRA Begin the system diagnosis by reviewing the system Description and Operation. Refer to Power SYMPTOMS - POWER STEERING SYSTEM Visual/Physical Inspection Inspect for aftermarket devices which could affect the operation of the power steering Inspect the easily accessible or visible system components for obvious damage or conditions Inspect for leaking power steering components. If necessary, refer to Power Steering Fluid Verify the power steering reservoir for the proper operating specification. Refer to Inspect the power steering fluid for the following indications of contamination: Milky fluid - water Brown fluid - burnt Debris in fluid - plastic or dirt If necessary, flush the power steering system. Refer to Power Steering System Flushing. Symptoms List Refer to a symptom diagnostic procedure from the following list in order to diagnose the IMPORTANT: Review the system description and operation in order to familiarize yourself with the system functions. Refer to Power
2008 Chevrolet Silverado 1500 2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Power Steering Fluid Leaks Rattle, Clunk, or Shudder Noise from the Power Steering System Whine or Growl Noise from the Power Steering System (Without Hydraulic Booster) Poor Return of Steering Wheel Steering Effort Hard in One or Both Directions Steering Effort Too Easy in One or Both Directions POWER STEERING SYSTEM TEST Fig. 4: Testing Rack and Pinion System Pressures Callout Component Name
2008 Chevrolet Silverado 1500 2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 5: Testing Recirculating Ball System Pressures 1 Power Steering Return Hose 2 Power Steering Pressure Hose Callout Component Name 1 Power Steering Return Hose 2 Power Steering Pressure Hose
2008 Chevrolet Silverado 1500 2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Test Description The numbers below refer to the step numbers on the diagnostic table. 5: This step tests the system for restrictions. 7: This step tests the following components for the following conditions: The pump for internal leaks The power steering pipes and hoses for kinks 8: This step tests the ability of the pump to regulate flow at maximum pressure. 10: This step tests the ability of the pump to regulate flow under normal operating 12: This step tests the internal components of the pump and the gear. IMPORTANT: Power steering hoses may not look kinked, but have a layer separation causing the inner hose to collapse and Step Action Value(s) Yes No DEFINITION: The Power Steering System Test Procedure will perform the following Test the operation of the hydraulic power steering system. Test the operation of the power steering pump and power steering gear. Identify restrictions in the system. 1 Inspect the power steering fluid for the Milky fluid - water Brown fluid - burnt Debris in fluid - plastic or dirt - Go to Step 3 Go to Step 2 2 Flush the power steering system. Refer to - Go to Step 3 - IMPORTANT:
2008 Chevrolet Silverado 1500 2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Content .. 2702 2703 2704 2705 ..
|
|
|