GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 28410 Gasket Remover

Gasket Use and Applying Sealants

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

Separating Components

    â€¢ Use a rubber mallet to separate components.
    â€¢ Bump the part sideways to loosen the components.
    â€¢ Bumping should be done at bends or reinforced areas to prevent distortion of parts.

Cleaning Gasket Surfaces

    â€¢ Remove all gasket and sealing material from the part using the J 28410 or equivalent.
    â€¢ Care must be used to avoid gouging or scraping the sealing surfaces.
    â€¢ Do not use any other method or technique to remove sealant or gasket material from a part.
    â€¢ Do not use abrasive pads, sand paper, or power tools to clean the gasket surfaces.
       - These methods of cleaning can cause damage to the component sealing surfaces.
       - Abrasive pads also produce a fine grit that the oil filter cannot remove from the oil.
       - This grit is abrasive and has been known to cause internal engine damage.

Assembling Components

Notice: Refer to Sealant Notice in the Preface section.

    â€¢ When assembling components, use only the sealant specified or equivalent in the service procedure.
    â€¢ Sealing surfaces should be clean and free of debris or oil.
    â€¢ Specific components such as crankshaft oil seals or valve stem oil seals may require lubrication during assembly.
    â€¢ Components requiring lubrication will be identified in the service procedure.
    â€¢ When applying sealant to a component, apply the amount specified in the service procedure.
    â€¢ Tighten bolts to specifications. Do not overtighten.