Powertrain - Clunk Noise Accelerating In Reverse
BULLETIN NO.: 02-T-53ISSUE DATE: July, 2002
CATEGORY TYPE: Transaxle - 10
CATEGORY: General
CORPORATION NO.: 02-06-01-025
SUBJECT:
Clunk Noise While Driving Vehicle in Reverse (Perform Powertrain Mount Balance Procedure)
MODELS AFFECTED:
2002 Saturn VUE vehicles equipped with V6 (L81) engines
CONDITION:
Some customers may comment about a clunk noise from the lower rear engine compartment area while accelerating in reverse.
CAUSE:
This condition may be caused by excessive fore and aft movement of the front powertrain mount.
CORRECTION:
To correct this condition adjust the engine mount pre-loads. Refer to "Powertrain Mount Balance" procedure in this bulletin.
POWERTRAIN MOUNT BALANCE PROCEDURE
CAUTION:
MAKE SURE VEHICLE IS PROPERLY SUPPORTED AND SQUARELY POSITIONED ON THE HOIST. TO HELP AVOID PERSONAL INJURY WHEN A VEHICLE IS ON A HOIST, PROVIDE ADDITIONAL SUPPORT FOR THE VEHICLE OPPOSITE FROM WHICH COMPONENTS ARE BEING REMOVED.
1. Raise vehicle.
2. Loosen both front and rear mount-through bolts (do not remove).
3. Loosen cradle-to-rear mount bolts (do not remove).
4. Lower vehicle.
5. Shake powertrain vigorously (front-to-rear) and allow powertrain to settle.
6. Raise vehicle.
7. Tighten cradle-to-rear mount bolts.
Torque:
Cradle-to-Rear Mount Bolts: 50 N.m (37 ft-lbs)
8. Tighten rear mount-through bolt.
Torque:
Rear Mount-Through Bolt: 110 N.m (81 ft-lbs)
9. Tighten front mount-through bolt.
Torque:
Front Mount-Through Bolt: 110 N.m (81 ft-lbs)
10. Lower vehicle.
11. Verify repair.
CLAIM INFORMATION:
To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System for J1953 (Mount, Powertrain [Eng/Trans]-Rebalance/Adjust. An "add time" condition is provided should it be necessary to replace the mount.
DISCLAIMER