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'99 A4 1.8T Cam Chain Tensioner Failing?

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'99 A4 1.8T Cam Chain Tensioner Failing?

 
Old 10-22-2010, 03:17 AM
  #11  
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Yea thats all yuou need to do. Make sure you start loosening the cam at the middle bridges, and go in a circle. Also back each bolt out 1 turn, dont take them all the way out one at a time. You can crack the cam if its not supported evenly. Roll the cam out, slide the new tensioner in, and roll the cam back in. Count the links between marks on the rear cam bridge, 16 is timed. Take pics before you tear it apart so you have a guide.
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Old 10-23-2010, 07:07 PM
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Originally Posted by Audi0s View Post
Yea thats all yuou need to do. Make sure you start loosening the cam at the middle bridges, and go in a circle. Also back each bolt out 1 turn, dont take them all the way out one at a time. You can crack the cam if its not supported evenly. Roll the cam out, slide the new tensioner in, and roll the cam back in. Count the links between marks on the rear cam bridge, 16 is timed. Take pics before you tear it apart so you have a guide.
Thanks for the tips, this'll be my first time working on the internals of an engine.
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Old 10-25-2010, 06:58 AM
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Take pictures and let us know how it goes!
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Old 10-26-2010, 06:53 PM
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Yep, I'll try.
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Old 10-30-2012, 06:39 AM
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Default Cam tensioner - cam position sensor short or open code?

I have
17746 - Camshaft Position Sensor (G40)
P1338 - 35-00 - Open or Short to Plus

Reset codes (disconnect battery for long time, disconnect and shortened (car side) for minute, erased codes with VAGcom.
Replaced G40 (2x with good used, 1x with brand new).
Switched ECU.
Checked voltage on connector.
Checked resistance on connector pins to ECU (11, 67, 76).

Code come back right away.

Pulling cam sensor connector with engine running generates same code.

Cut connector off and soldered other connector.

Code comes back right away.

Same symptoms (long cranking, barely starting, no power under 2k rpm; all classic 'bad cam sensor').

Rosstech wiki also lists: check cam adjuster.
Could cam adjuster cause 'bad cam sensor code'?

Any other suggestions?
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