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    Thread: cant find TDC marks on my flywheel

    1. Member bt_gti_kid's Avatar
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      12-04-2008 02:12 AM #1
      i took my head off and am about to put it back on. now i cant find the TDC marks on the flywheel.... no matter what.

      SO how can i tell TDC. when cylinder 1 and 4 are all the way up?

      pics for clicks



    2. Member blazerpounds's Avatar
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      12-04-2008 02:49 AM #2
      its there, you just gotta look harder.

      Yep, its 1 and 4, really get in there and get the plug off the flywheel case, with a good solid light. its probably gonna be best to have someone else crank it SLOWLY by hand, its really easy to pass up.


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      05 GLI Rswap
      12-04-2008 08:59 AM #3
      crank pully but I guess thats prob off right now

    4. Member bt_gti_kid's Avatar
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      12-05-2008 06:55 PM #4
      i knew to pull the plug on the housing, my friend turned the crank while i looked over and over then we switched spots and he looked over and over, we were probably at it for 20+ minutes of just looking.

      i checked with a maglight as well as a super bright LED light and fluorescent shop light, nothing, almost as if the flywheel was changed with one that has no TDC mark... im finding this kinda hard to believe lol

      we checked the pulley that has the TDC mark on the bottom of the engine and it was lined up but i wanted to find the one on the flywheel as well.

      SO if cylinder 1 and 4 are all the way up is that alright or should i really find the mark on the flywheel? i dont wanna punch my valves.


    5. Member O2VW1.8T's Avatar
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      12-05-2008 07:15 PM #5
      I have never used the flywheel for reference marks. I used the crank pulley and the valve cover... rotate the engine by hand 2 times and if it still lines up you are good to go.
      02 GTi 1.8T haldex'd w/35r-SOLD 7.3@102mph 27psi on 93 octane--04 A4 1.8T converted to AWD also- SOLD--'11 JSW Tdi 6speed Manual- Gone--
      13' BMW 335i M-sport EBII

    6. 12-05-2008 07:28 PM #6
      yeah, it doesn't matter if you have already taken off the crank pulley - the bolt holes indicate that it can only go on one way. use the crank pulley....

    7. 12-06-2008 03:57 AM #7
      For me its harder to look on the flywheel, i go with the crank and cam gear marks and check cyl is up top.
      01' BT Jetta
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    8. Member ANT THE KNEE's Avatar
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      12-06-2008 10:37 AM #8
      As said before use the crank pulley mark, on my car the TDC mark on the flywheel was of a lil bit, which is why those with experience always say to not go by the flywheel.
      Quote Originally Posted by slowhatch View Post
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