Riviera V6-3.8L SC VIN 1 (1995)
Transmission Mount: Customer Interest
Interior - Noise/Vibration/Growl, Front On Turns/Accell
File In Section: 7 - Transmission
Bulletin No.: 73-71-04A
Date: May, 1998
Subject:
Noise/Vibration/Growl from Front of Vehicle on flight Turns or Hard Acceleration (Replace/Reposition Rear Transaxle Mount)
Models:
1995-98 Buick Riviera
1997-98 Buick Park Avenue
1995-98 Oldsmobile Aurora
This bulletin is being revised to add the 1998 model year. Please discard Corporate Bulletin Number 73-71-04 (Section 7 - Transmission).
Condition
Some owners may comment on a noise, vibration or growl from front of vehicle during right turns or hard acceleration.
Cause
The rear transaxle mount may be grounded out due to a bound or twisted condition within the mount.
Correction
For 1995-96 Vehicles
This condition may be corrected by replacing the rear transaxle mount with a revised mount, P/N 22174976 - Aurora, P/N 22174975 - Riviera. See
procedure shown.
For 1997-98 Vehicles
The 1997-98 vehicles have been built with improved mounts but may still exhibit the condition if the mount is bound or twisted. This condition may be
corrected by following the procedure listed below to correct the bound or twisted condition within mount.
1995-96 G-Car
1.
Raise the vehicle.
2.
Support the transaxle with a screwjack.
3.
Remove the rear transaxle mount nuts.
4.
Using the screwjack, lower the transaxle.
5.
Remove the mount from the lower frame rail.
6.
Install the new transaxle mount to the lower frame rail.