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TDI 101 Got a simple/basic TDI question? Are you a newbie (new to the forums). Feel free to post your question here.

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Old October 23rd, 2006, 16:52   #1
rix337
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Default Timing Belt may have jumped a tooth?

Is there a way I can tell for sure with a Vag or do I have to take the covers off? It seems to run okay but it is smokey. Starts horribly in cool weather(40-60F). I have checked the injection timing with the Vag and it is dead on. Did the intake cleaning about 20k ago and adjusted the EGR cycle as suggested in this forum. Also checked the glow plugs even though they aren't used at these temps. Any help would be appreciated.

2001 Jetta TDI GLS
116,000 miles
timing belt done at 73,000 miles.
MAF also replaced at that time.
No CEL's at this time.
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Old October 23rd, 2006, 21:37   #2
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Old October 24th, 2006, 07:11   #3
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You should check the static timing, this is different than the VAG timing, as it's a physical "the crank is in this position, and the cam is in this position".

Is the timing "dead on" as in advanced, or retarded?
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Old October 24th, 2006, 08:11   #4
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I don't have the actual numbers I was getting but it was a little on the high side of the middle of the graph in my service manual, so I think that is very slightly advanced. Also, when I checked the timing I did check the temp sensor and it was reading ambient temp before I started the car, so it should be ok. And I am located in Atlanta, Ga. Someone suggested I put this info on here.
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Old October 24th, 2006, 08:15   #5
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Quote:
Originally Posted by alphaseinor
You should check the static timing, this is different than the VAG timing, as it's a physical "the crank is in this position, and the cam is in this position".

Is the timing "dead on" as in advanced, or retarded?

Can I check the static timing with the Vag-com?
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Old October 24th, 2006, 08:28   #6
rdkern
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Quote:
Originally Posted by rix337
Can I check the static timing with the Vag-com?
The suggestion was to actually line up the various items in the engine compartment and make sure all is where it should be. This is done prior to the VagCom checking.
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Old October 24th, 2006, 09:23   #7
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Ok, no problem. I will dig into checking that when I get home. I just thought there might be a way to tell it on the Vag-Com. So if it has jumped, it wouldn't necessarily show up in the info found with a Vag-Com such as the inj timing, etc?
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