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How to find TDC for timing setup?

Discussion in '2nd Gen 4Runners (1990-1995)' started by 4runnercat, Apr 10, 2016.

  1. Apr 10, 2016 at 7:06 PM
    #1
    4runnercat

    4runnercat [OP] New Member

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    Just joined,
    OK I'm a green horn mechanic and have a question. Just carefully rebuilt my 3vze and hit a stopping point. With out marking anything on the crank pull while the #1piston was at tdc, I have installed the head and covers. How do I find tdc for timing set up?
     
  2. Apr 18, 2016 at 6:56 PM
    #2
    Kyle11863

    Kyle11863 King of the BS

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    There should be some notches in the gears that attach to the cams. I'll see if I can take a pic tomorrow since my stuff is pulled apart
     
    Bob and G.T. like this.
  3. Apr 21, 2016 at 7:39 AM
    #3
    4runnercat

    4runnercat [OP] New Member

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    TK thanks, there is. So it looks like the notches on the cam pulled line up with the notches at top of metal back timing cover. Then, the timing gear lines up with the center mark on the oil pump, the dot on the bottom of the gear lines up with the line on the belt, and then the crank pull goes on 0 while the top two belt lines line up with the marks on the cam pulled. Whew. That's how I set it up before I put covers on. Do you see any issues with this plan?
     
  4. Apr 21, 2016 at 2:09 PM
    #4
    Kyle11863

    Kyle11863 King of the BS

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    No, that sounds correct to me but I'm pretty green when it comes to this stuff. Pulled a lot of it apart, have yet to try putting it back together. Hopefully someone with more experience can chime in
     
  5. May 8, 2019 at 12:25 PM
    #5
    Fourtoad

    Fourtoad Gatorgrl's Yotas

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    Make sure you put the timing belt on under load or it will pull the belt out of time once you put it under load (adjust the tensioners). Ours was "tuned up" previously to our acquision and they had one side off by 3 teeth and the other side off by 1 and it ran like total shit.
     
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