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Volkswagen Jetta, Golf, GTI: 1999-2005, R32: 2004 (A4) 2002 Jetta 1.8T Timing question


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Last Post: Aug 6, 2011 3:50 PM Last Post By: jack 2003 jetta...
ihatejettas

Posts: 4
Registered: 07/21/06
2002 Jetta 1.8T Timing question
Posted: Jan 7, 2007 1:20 AM
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I'm hoping someone can tell me exactly where to find the timing marks on the triptronic transmissions converter which will verify that I am on #1 TDC and also where the window is to line up the marks for #1 on the transmission housing. And does the crankshaft have a sensor which will tell the computer where its at, ie. intake, compression, power exhaust? I have a manual but the picture and location explanation is not very clear.
FKH161

Posts: 7,615
Registered: 12/29/05
Re: 2002 Jetta 1.8T Timing question
Posted: Jan 7, 2007 1:35 AM   in response to: ihatejettas in response to: ihatejettas
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See attached image for "window" in transmission (located
on the top of the tranny closee to the engine block). Be sure
to replace the water pump at the same time as they are known
to fail.

The crankshaft/engine speed sensor is located on the side of
the block (to the right of the oil filter housing).
ihatejettas

Posts: 4
Registered: 07/21/06
Re: 2002 Jetta 1.8T Timing question
Posted: Jan 7, 2007 2:28 AM   in response to: FKH161 in response to: FKH161
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Thanks alot Westcoast I appreciate it!
ihatejettas

Posts: 4
Registered: 07/21/06
Re: 2002 Jetta 1.8T Timing question
Posted: Jan 8, 2007 7:06 PM   in response to: FKH161 in response to: FKH161
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I need an exact location for the window to check the timing for TDC #1 on the converter of the triptronic transmission for this vehicle, is it right behind the head under the harness plug for the transmission off to the right or left side?
FKH161

Posts: 7,615
Registered: 12/29/05
Re: 2002 Jetta 1.8T Timing question
Posted: Jan 8, 2007 10:20 PM   in response to: ihatejettas in response to: ihatejettas
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Attachment trannyhole.jpg (20.1 KB)
Warning, hand drawn image attached... is this what your engine
bay looks like? If yes, look for window in the circled area.

Coolant hoses might be in the way...
ihatejettas

Posts: 4
Registered: 07/21/06
Re: 2002 Jetta 1.8T Timing question
Posted: Jan 9, 2007 9:55 AM   in response to: FKH161 in response to: FKH161
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Yes, its hard to see the hole so I guess I'll have to remove some of the hoses and lines to get to it, again thanks alot for your help.
mojojojo

Posts: 75
Registered: 01/11/06
Re: 2002 Jetta 1.8T Timing question
Posted: Oct 17, 2009 2:44 PM   in response to: ihatejettas in response to: ihatejettas
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Attachment P1010251.JPG (382.7 KB)
Attachment P1010252.JPG (370.2 KB)
Attachment P1010253.JPG (416.3 KB)
I just did this job on my wifes car. 2004 Jetta 1.8T Tiptronic Auto.

Some folks on the Vortex proclaim that there are no marks on the flywheel for Auto transmissions. FKH161 has generously supplied Bentley diagrams and a hand drawn pic. This location is correct, but is is difficult to locate.

I snapped a few pics, it was time consuming to even be able to see the port in question. There is a main wiring harness on top of the bell housing. Where the main conduit ends and smaller harnesses break out of it there is a clip mounted to a bracket.

I used an inspection mirror to see the back of this clip. I used a cheap phillips offset screwdriver to push in the round dot on the back and release it while sliding it to the right away from the engine. It won't move much but just enough for what you need. Just to see down past it to that window.

The blurry pic is the best of the bottom of the window, but the line looks like what you see in FKH's Bentley illustration. A line across the window with a four sided diamond shape on it. Once you get it into near TDC, the mark will become obvious through this window. At TDC it is aligned with the bottom edge of the window.

Hope this helps those folks who are looking and looking like I did and couldn't see it for quite sometime. Just had to dig for it.

After reinstalling the new timing belt, using the cam and this mark gave me a sense of peace in knowing the engine was in fact at TDC when double checking my work.
FKH161

Posts: 7,615
Registered: 12/29/05
Re: 2002 Jetta 1.8T Timing question
Posted: Oct 17, 2009 4:56 PM   in response to: mojojojo in response to: mojojojo
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Thanks for verifying the location & added thoughts on the
process! Once found, the mark should be easily visible with
or without mirror... it's just a matter of knowing where to
look (and what to look for).

Also, always check the crank sprocket at the front to make
sure that two pulley bolt holes line-up at 12 & 6 o'clock.
This will indicate whether or not the crank sprocket "key"
is still in one piece... a broken/worn sprocket key, will
cause the bolt holes in the sprocket to sit off of the 12/6
orientation when the tranny end is set to TDC.
jack 2003 jetta...

Posts: 6
Registered: 08/06/11
Re: 2002 Jetta 1.8T Timing question
Posted: Aug 6, 2011 3:50 PM   in response to: FKH161 in response to: FKH161
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does anyone have better pics of the timing inspection hole and the actual mark on the flywheel. sure would be appreciated.. thanks

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