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PROPELLER SHAFT DIAGNOSIS TSB Revision PROPELLER SHAFT 25-3 PROPELLER SHAFT DIAGNOSIS INTRODUCTION TO PROPELLER SHAFT DIAGNOSIS M1251001800092 If an abnormal noise is heard from the propeller shaft PROPELLER SHAFT DIAGNOSTIC TROUBLESHOOTING STRATEGY M1251001900107 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 M1251002000088 SYMPTOM PROCEDURES INSPECTION PROCEDURE 1: Noise at Start DIAGNOSIS STEP 1. Check if the propeller shaft mounting bolts and .) Q: Are the bolts and nuts tightened to 49 − 58 N⋅m (37 − 43 ft-lb) <3.0L engine> or 98 − 108 N⋅m (72 − 80 ft-lb) <3.5L engine>? − 58 N⋅m (37 − 43 ft-lb). Then go to Step 5. STEP 2. Check the universal joint's journal bearing of front propeller shaft for wear or damage. (Refer to Q: Is wear or damage apparent? YES : Replace the journal bearing. Then go to Step 5. STEP 3. Check the BJ assembly's spline of front propeller YES : Replace the propeller shaft. Then go to Step 5. SYMPTOM INSPECTION REFERENCE Noise at start 1 Noise and vibration at high speed 2 |