Question about 1999 Volkswagen Jetta
Sorry for the severe delay.
I am personally going back to answer your unanswered question.
I do not know if you still need the answer, but I am going to answer it in case you still do.
Click on the following direct Link. It has the Timing Belt Diagrams with Marks for the Camshaft and Crankshaft that you will need. It also has schematics on cover bolt locations; tools, and procedures.
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Posted on Mar 22, 2010
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Posted on Jan 02, 2017
There is no manual adjustment for timing, this is done digitally by using a VAG 1552 scan tool or equivalent. Now if timing mark is all you need just to serve your curiosity then there are a couple.
Set engine to TDC for cylinder #1 by turning the crankshaft until timing mark on flywheel or torque converter aligns with marks on the transmission case.
Remove upper toothed belt cover. Once removed, you will see the letters O.T. with an arrow on the upper rear toothed belt guard. Check that mark on camshaft pulley is aligned with mark on toothed belt guard. This brings camshaft to TDC for cyl. #1.
It is unlikely that a belt has skipped a cog, but if that happens your engine will run very rough or not operate at all. You might have other issue in the air metering sensors (MAF) which doesn't take account of temperature. That means whether the engine is cold or holt it will always run rough and definitely activate an MIL.
Posted on Jun 06, 2010
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