Envoy 4WD V8-5.3L VIN M (2005)
Trunk / Liftgate Hinge: All Technical Service Bulletins
Body - Liftgate Binding/Improper Fit/Rear Glass Broken
Bulletin No.: 06-08-66-011A
Date: November 08, 2006
TECHNICAL
Subject:
Rear Liftgate Binds, Improper Fit, Broken Liftgate Glass (Install Welds and Bumpers)
Models:
2002-2006 Chevrolet TrailBlazer, TrailBlazer EXT
2002-2006 GMC Envoy, Envoy XL
Supercede:
This bulletin is being revised to add part number information. Please discard Corporate Bulletin Number 06-08-66-011 (Section 08 - Body and
Accessories).
Condition
Some customers may comment that the liftgate or the liftgate glass doesn't fit properly. In some extreme cases, the rear liftgate glass may have broken.
Cause
A couple of welds may have broken around the upper liftgate hinge(s) or a crack may have formed around the inner two welds. Remove the liftgate and
inspect the inner to outer panel welds at the upper hinges.
Correction
Remove the liftgate trim and electrical wiring from the liftgate.
Remove the liftgate and liftgate glass from the vehicle.
Straighten the sheet metal at the hinges.
Drill four 5/16" holes through the inner panel at the four locations shown in the illustration above.
Prepare the sheet metal around the four holes for welding.
Clamp the inner and out panel together.
