C635 TRANSAXLE 6 splines. If necessary, replace the clutch disc NOISE IN A SPECIFIC GEAR While driving, a noise is heard in a specific gear from the transmission area. The noise abates when shifted to a different gear. 1. CHECK THE SYNCHRONIZERS EVERYTHING OK PROBLEMS ENCOUNTERED RESOLUTION Remove and Disassemble transmission to inspect the appropriate synchronizer(s). Continue to Step 2 Worn or damaged synchronizer components Replace worn components as necessary. 2. CHECK THE GEARS EVERYTHING OK PROBLEMS ENCOUNTERED RESOLUTION Remove and Disassemble transmission to inspect the appropriate gears. Continue to Step 2 Worn or damaged synchronizer components Replace worn components as necessary. 3. CHECK THE DIFFERENTIAL EVERYTHING OK PROBLEMS ENCOUNTERED RESOLUTION Inspect the differential gears. In particular: should not be worn or damaged. must not have an excessive clearance. End diagnosis Worn or damaged synchronizer components Replace worn components as necessary. NOISE WHILE TURNING While cornering, a noise is heard from the transmission area. 1. CHECK THE DIFFERENTIAL EVERYTHING OK PROBLEMS ENCOUNTERED RESOLUTION Steer to the right or to the left and see if the noise increases. Steer to the bottom and then release the steering wheel: make sure that the noise intensity increases or not with the steering angle. Continue to Step 2 Noise level varies only by steering to the right or left. Noise ceases while steering is centered and vehicle is moving in a straight line. Noise level varies greatly with the steering angle. Noise remains constant with the steering angle. Continue to Step 2, CHECK DIFFERENTIAL. Continue to Step 2, CHECK DIFFERENTIAL. Continue to Step 3, CHECK CV JOINTS. Continue to Step 2, CHECK DIFFERENTIAL.
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