Gasket Use and Applying Sealants

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Do not use any gasket again unless specified.
Gaskets that can be used again will be identified in the service procedure.
Do not apply sealant to any gasket or sealing surface unless called out in the service information.