GM Service Manual Online
For 1990-2009 cars only

Info - Release of Rear Transmission Mount Separate from Exhaust Mount

Subject:Release of Rear Transmission Mount Separate From Exhaust Mount

Models:2004-2005 Buick Rainier
2002-2005 Chevrolet TrailBlazer, TrailBlazer EXT
2002-2005 GMC Envoy, Envoy XL
2004-2005 GMC Envoy XUV
2002-2004 Oldsmobile Bravada
with 4.2L Engine (VIN S -- RPO LL8)



DO THIS

DON'T DO THIS

ONLY USE rear transmission mount P/N 89040449 (2WD) or P/N 89040448 (4WD) when only the rear transmission mount requires service

DO NOT USE P/N 15119303 (2WD) or P/N 15119302 (4WD) when only the rear transmission mount requires service


Object Number: 1334965  Size: SH

The purpose of this service bulletin is to announce the availability of the rear transmission mount without the exhaust mount bracket included. Previously when ordering the rear transmission mount from GMSPO, it could only be ordered with the exhaust mount bracket included. Currently, you can order the rear transmission mount without the exhaust mount bracket from GMSPO. When service requires the replacement of only the rear transmission mount and not the exhaust mount, order P/N 89040449 (2WD) and P/N 89040448 (4WD).

Parts Information

Part Number

Description

Qty

89040449

Mount, Rear Transmission (without exhaust bracket)

2WD Models

1

89040448

Mount, Rear Transmission (without exhaust bracket)

4WD Models

1

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

K6723

Mount, Transmission - Rear - Replace

Use published labor operation time