Jetta L4-1.9L DSL Turbo (AAZ) (1997)
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Cylinder Head Gasket: Application and ID
METAL CYLINDER HEAD GASKET
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From November, 1993 all 1.9 liter Diesel engines are equipped with a new metal cylinder head gasket with silicone coating.
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When making repairs it is no longer necessary to tighten the cylinder head bolts by an additional 1/4-turn (90°) with the engine warm.
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The four-step procedure for tightening the cylinder head bolts during assembly has not changed.
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When installing a new metal cylinder head gasket, follow all precautions and notes.
NOTE:
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The new metal cylinder head gasket can be installed on all 1.9 liter Diesel engines manufactured before November, 1993.
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Carefully remove any abrasive debris.
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Remove new cylinder head gasket from packaging, just before installing.
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Handle gasket extremely carefully. Damaging the silicone layer or the indented area can cause leakage.
