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POWER STEERING DIAGNOSIS TSB Revision POWER STEERING 37A-3 POWER STEERING DIAGNOSIS TROUBLESHOOTING STRATEGY M1372007300064 Use these steps to plan your diagnostic strategy. If 2. Verify that the condition described by the customer exists. 3. Find the malfunction by following the Symptom Chart. 4. Verify malfunction is eliminated. SYMPTOM CHART M1372007600065 SYMPTOM PROCEDURES INSPECTION PROCEDURE 1: Excessive Play of Steering Wheel DIAGNOSIS STEP 1. Check for looseness at the steering shaft coupling Q: Is there any looseness? YES : Repair or replace the part. Then go to Step 3. SYMPTOMS INSPECTION REFERENCE PAGE Excessive play of steering wheel 1 Difficult steering wheel operation (insufficient power assist) 2 Rattling noise 3 Shrill noise 4 Squealing noise 5 Hissing noise 6 Droning noise 7 Squeaking noise 8 Vibration 9 Oil leakage from hose connection 10 Oil leakage from hose assembly 11 Oil leakage from oil reservoir 12 Oil leakage from oil pump 13 Oil leakage from gear box 14 |