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Randall, ASE Certified Technician
Category: VW
Satisfied Customers: 12728
Experience:  ASE Master Certified,32 years diagnostic/repair experience all makes and models ,shop owner
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02 Jetta 2.0 Changing water pump; do not under stand how to

Customer Question

02 Jetta 2.0 Changing water pump; do not under stand how to set tensioner. Help!
Submitted: 4 months ago.
Category: VW
Expert:  Randall replied 4 months ago.

hello, what procedure do you not follow? what tensioner? timing belt or drive belt?

Customer: replied 4 months ago.
Timing belt
Expert:  Randall replied 4 months ago.

ok, thanks, ***** ***** have you tried, what are you not understanding. I am trying to gather as much information as I can so as to avoid duplicate answers etc, Thanks

Customer: replied 4 months ago.
The tensioner with the 2 arrows on back side of it as you look at it from the front. It says to rotate back and forth 5 times before installing belt,then hold pressure with your thumb to make sure it stays tight. I need a second opinion cause I dont trust myself. Thanks for trying to help me,
Expert:  Randall replied 4 months ago.

well, not there looking but as long as you have followed the directions and the line up marks you see are within the setting, you are just fine, If they are not lining up? then belt is wrong ( doubt that) or weak tensioner, Thos back marks are for the shop tech to see if belt has stretched, You need to have the marks pretty close to lined up, here is picture alos which you have

  • ension toothed belt. Turn the toothed belt tensioner -T10020- on the eccentric to the left (direction of arrow) all the way until it stops
  • Then release the tension on the toothed belt until until alignment notch -1- and the alignment tab -2- match up with each other. (use a mirror).
  • Tighten mounting nuts to 20 Nm
  • Turn the crankshaft two turns and set the No. 1 cylinder to TDC. When doing this it is important that the last 45°(1/8 turn) is turned without interruption.
  • Check tension of toothed belt again.

- Specified value: The alignment tab and alignment notch match up with each other.

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