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Home >> Pontiac >> 2007 >> Vibe L4-1.8L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service Precautions >> Replacing Engine Gaskets
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Replacing Engine Gaskets



Replacing Engine Gaskets

Gasket Reuse and Applying Sealants

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

Separating Components

* Use the proper prying points to separate components.
* Use caution when separating all RTV sealed components.

Cleaning Gasket Surfaces

* Remove all gasket and sealing material from the part using the J 28410
* Care must be used to avoid gouging or scraping the sealing surfaces.
* Do not use any other method or technique to remove sealant or gasket material from a part.
* 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

* When assembling components, use only the sealant specified or equivalent in the service procedure.
* Sealing surfaces should be clean and free of debris or oil.
* Specific components such as crankshaft oil seals or valve stem oil seals may require lubrication during assembly.
* Components requiring lubrication will be identified in the service procedure.
* When applying sealant to a component, apply the amount specified in the service procedure.
* Do not allow the sealant to enter into any blind threaded holes, as it may prevent the bolt from clamping properly or cause component damage when tightened.
* Tighten bolts to specifications. Do not overtighten.

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