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Power Steering Troubleshooting Guide
Symptom Possible Cause
Insufficient Assist Low fluid
Incorrect fluid
Loose/worn belt
Defective pump
Restricted fluid passages
Mechanical bind
Vehicle Pulls Inoperative control valve
Misadjusted control valve
Fluid Leaks Loose hose connection
Defective hose
Damaged seals
Fluid level too high
Excessive Noise Low fluid level
Loose/worn belt
Defective pump
Restricted fluid passages
Defective relief valve
Poor Returnability Steering column misalignment
Yoke plug too tight
Valve assembly binding
Contaminated fluid
Defective u-joints
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