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Thread: 4age mr2 timing

  1. #1
    Junior Member Backyard Mechanic KARNAGE's Avatar
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    Default 4age mr2 timing

    Hey this is a little hard to explain but i will try anyways. changed the head gaskit the other day and when i was fitting the cams back in i couldn't remember which way the cam gears went on. For example it has two slots for the little pin of the cam to slot into. was wondering which way to put them as i cant remember. does the little pin sit the same side as the little dot on the cam gear or am i totally wrong?

  2. #2
    Junior Member Backyard Mechanic KARNAGE's Avatar
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    Default Re: 4age mr2 timing

    anyone know as its the only thing stopping my having engine back together

  3. #3
    is the bestest Conversion King LeeRoy's Avatar
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    Default Re: 4age mr2 timing

    They should only go on one way. The two pins are at different angles so only allow the possibilty of being put on one way. The pulleys also have two slots. IIRC the exhaust and inlet ones are identical too so it shouldnt matter if youve mixed them up although its better if you put everything you remove in the same spot.

    Just throw the pulleys on, turn the crank to 0 deg BTDC, then turn the crank pulleys and cams so the dots on the wheels line up with the plate behind them.
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  4. #4
    Junior Member Backyard Mechanic
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    Default Re: 4age mr2 timing

    Put No1 on top dead center and the marks on the timing sprocket on the crank should line up correctly.

    Inlet knock pin faces up.
    Exhaust knock pic faces down.

    Put on cam gears and line the outer dots up with indents in the metal timing plate.

    I will add a picture when i get home.

  5. #5
    Building Corollas Chief Engine Builder Cuzzo's Avatar
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    Default Re: 4age mr2 timing

    check out the 4age book. Its all in there i use it regularly.

    http://www.toymods.net/TechDocs/
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    You had an oil and plastics engine bay fire, with flames that reached at least to the roof - of course shit got hot, it wasn't burning jiffy firelighters back there.

  6. #6
    Junior Member Backyard Mechanic
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    Default Re: 4age mr2 timing

    Picture as promised.


  7. #7
    Junior Member Backyard Mechanic KARNAGE's Avatar
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    Default Re: 4age mr2 timing

    Yep thanks for that i worked it out in the long run.

    Ben

  8. #8
    Corolla Guy 1st year Apprentice
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    Default Re: 4age mr2 timing

    Champion!
    Thanks for the pic, you just got me out of trouble too. I marked everything before it came out, but one of the marks rubbed off.

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