DeVille DHS V8-4.6L VIN Y (2000)
Engine Mount: All Technical Service Bulletins
Engine - Front End Clunk Driving/Shifting In/Out of gear
Bulletin No.: 05-08-61-007A
Date: December 18, 2006
TECHNICAL
Subject:
Clunk Noise From Front Of Vehicle While Driving and/or While Shifting In and Out Of Gear (Replace Front Engine Mount and Install Additional
Mount Heat Shield)
Models:
2000-2005 Cadillac DeVille
Supercede:
This bulletin is being revised to update the part numbers. Please discard Corporate Bulletin Number 05-08-61-007 (Section 08 - Body).
Condition
Some customers may comment on one or both of the following conditions:
A clunk noise from the front of the vehicle while driving.
A clunk noise while shifting from PARK to DRIVE, from PARK to REVERSE, from DRIVE to REVERSE or from REVERSE to DRIVE.
Cause
These conditions may be caused by degradation of the front engine mount due to high heat exposure from the exhaust manifold.
Correction
Inspection
Inspect the front engine mount for signs of degradation:
The hard rubber surface is covered with heat check cracks.
The rubber is separated from the metal plate of the engine mount.
The rubber is split through the center of the engine mount.
Replace the front engine mount and install a engine mount heat shield if any the above conditions are found using the service procedure below.
Service Procedure
Raise and support the vehicle.
Remove the front air deflector.
Support the powertrain with a suitable adjustable support.
Support the front of the frame with a suitable adjustable support.
