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POWER STEERING DIAGNOSIS TROUBLESHOOTING STRATEGY M13702000073USA0000010000 Use these steps to plan your diagnostic strategy. If 1. Gather information from the customer. 2. Verify that the condition described by the customer 3. Find the malfunction by following the Symptom 4. Verify malfunction is eliminated. SYMPTOM CHART M13702000076USA0000010000 SYMPTOM 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 steering gear 14 SYMPTOM PROCEDURES INSPECTION PROCEDURE 1: Excessive Play of Steering Wheel M13702000089USA0000010000 DIAGNOSIS Q:Is there any looseness? YES: Repair or replace the part. Then go to Step 3. NO: Go to Step 2. STEP 2. Check the steering wheel free play. (1) With the engine running (hydraulic operation), set the front POWER STEERING 37-5 POWER STEERING DIAGNOSIS |