A/T - Noise/Vibration at Low Speed Acceleration: Overview
File In Section: 7 - TransmissionBulletin No.: 83-71-12
Date: December, 1998
Subject:
Noise and/or Vibration During Low Speed Acceleration or "Brake Torquing"
(Replace Transaxle Rear Mount Assembly)
Models:
1999 Buick Park Avenue, Riviera
Built Prior to the Following VIN Breakpoints:
Model VIN Breakpoint
Park Avenue X4623629
Riviera X4701065
Condition
Some customers may comment about a noise and/or vibration during low speed acceleration or during "brake torquing". This sound may be similar to that of the exhaust system contacting the floor pan.
Cause
The rear transaxle mount may be grounded out due to a bound or twisted condition within the mount assembly.
Correction
Parts Information
P/N Description
25693540 Trans Rear Mount Assembly
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.