H2 V8-6.2L (2008)
Body / Frame Mount Bushing: All Technical Service Bulletins
Body - Pop/Clunk Noise When Turning or on Uneven Road
Bulletin No.: 06-08-61-003B
Date: January 22, 2008
TECHNICAL
Subject:
Underbody Pop or Clunk Type Noise while Turning or Driving on Uneven Road Surfaces (Install Body Mount Insulator)
Models:
2004-2006 Cadillac Escalade, Escalade ESV, Escalade EXT
2004-2006 Chevrolet Avalanche, Suburban, Tahoe
2004-2007 Chevrolet Silverado (Classic)
2004-2006 GMC Yukon, Yukon XL, Yukon Denali, Yukon Denali XL
2004-2007 GMC Sierra, Sierra Denali (Classic)
2003-2008 HUMMER H2
Supercede:
This bulletin is being revised to add the 2008 HUMMER H2. Please discard Corporate Bulletin Number 06-08-61-003A (Section 08 - Body and
Accessories).
Condition
Some customers may comment on a pop or clunk type noise while turning or driving on uneven road surfaces. This noise can be heard and/or felt at
either the drivers or front passenger floor pan area.
Cause
Under certain conditions normal movement between the frame and body mount may cause this noise to occur.
Correction
Install an insulator at the right and left side # 1 body mounts. The insulator should be installed between the upper portion of the body mount and the
frame bracket. The # 1 mount is the mount located just under the A-pillar. Use the procedure listed below.
Raise the vehicle on the hoist. It is recommended to use a four-post lift or strap the vehicle frame to the hoist arms.
For the left side mount only remove the intermediate park brake cable. Perform the following steps:
Remove the nut from the park brake equalizer.
Remove the intermediate cable from the equalizer.
Depress the retaining tabs that secure the park brake cable to the frame.
Pull slightly on the cable from the mounting area in order to provide slack for body movement without binding the cable. Remove all of the body mount
bolts on the side being repaired.
Properly support the body at the # 1 body mount area.
