Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Oil reside on engine (suspected oil leaks classified as category 1 or category 2) may be the result of spilling during engine oil top-off or normal
gaskets "sweating" and is not an indication of a technical malfunction.
C.
If suspected engine oil leak is classified as category 3 only WITH a customer complaint:
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Start diagnostic procedure by replacing cylinder head cover gasket(s) only on cylinder bank(s) where suspected oil leak of category 3 is
identified.
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Add oil dye to engine oil.
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Clean oil stained area(s).
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Perform test drive.
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Following test drive, inspect engine to verify oil leak is eliminated.
Tip:
When installing cylinder head cover gasket(s) always apply sealant in critical areas as further described in the Technical Bulletin.
If, after a test drive, the engine is still leaking:
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Locate source of oil leak.
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If oil leak is traced to camshaft adjuster or camshaft adjuster gaskets, service manager authorization is required before any other repair is performed.
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If oil leak is traced to any component other than camshaft adjuster or camshaft adjuster gasket, perform repairs as necessary.
^
If cylinder head cover must be removed again WHILE performing this Technical Bulletin, same cylinder head cover gasket can be reinstalled.
Tip:
When installing cylinder head cover gasket(s) always apply sealant in critical areas as further described in the Technical Bulletin.
D.
If suspected oil leak is classified as category 3 only WITHOUT a customer complaint (add-on repair):
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You must follow the procedure for add-on repairs as described in Warranty Policies and Procedures Manual.
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Then proceed with repairs as described in Step C.
Cylinder Head Cover Gasket, Installing Sealant at Critical Points
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Before installing cylinder head cover gasket(s), apply a small amount of sealant on six critical transition points of the sealing surface on cylinder
head.
Before new sealant is applied:
-
Thoroughly clean old sealant and oil residue from the cylinder head, sealing surface MUST be clean and dry.
Sealing Transition Points Between Double Bearing Cap(s) and Cylinder Head (2 points)