Sierra 3500 Denali 2WD V8-6.0L (2011)
6. Coat the perimeter of the access hole with RTV Silicone Sealant, GM P/N 12378521 (in Canada, 88901148) or equivalent, to seal the bare edge of
the metal.
7. Install the rectangular body plug, GM P/N 15040085. Ensure that the plug is sealed with the silicone sealant.
8. Reinstall the floor covering, sill trim and seat.
Parts Information
Warranty Information
In most cases, this bulletin information will be used when replacing a body mount and should be claimed under labor code E1095 Drivetrain and Front
Suspension Frame Insulator Replacement. If this repair is performed while repairing something different, use the labor code associated with that repair.
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Incremental time for this repair should be claimed using Other Labor Hours (OLH).
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The recommended OLH for this repair is 0.3-0.5 hr per bolt.
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