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A/T - Noise/Vibration at Low Speed Acceleration: Overview

File In Section: 7 - Transmission

Bulletin 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.