Timing Belt Question that WSM makes unclear
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This is a discussion on Timing Belt Question that WSM makes unclear within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey guys, my idler bearing is making alot of noise on my 02 wrx, so im going to put a ...

  1. #1
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    Timing Belt Question that WSM makes unclear

    Hey guys, my idler bearing is making alot of noise on my 02 wrx, so im going to put a new idler and timing belt on. I read the WSM and for the 2.0 is says to line the marks up with the corresponding notches, than take the tensioner off, now on the 2.5wsm is says if you do this the cam gears will turn because of the tension of the valve springs and cause valve interference. So which is it? can I take my belt off with the notches alligned? if so are the cams going to move and interfere? If somone could clarify that would be much appreciated. thanks
    Last edited by TrackReady; 08-28-2007 at 05:49 PM.
    2002 SRP wrx mt sedan
    AP v2.0 stg 2

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  3. #2
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    somebody? i know plenty of people on these boards have changed there timing belt.
    2002 SRP wrx mt sedan
    AP v2.0 stg 2

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    If you take off the tensioner the cams will move.....you can buy a tool to hold the cam gears in place from Snap-On for $40, actually you need to buy two of them

    -OR- you can line them up or hold them in place with your hands, but you need at least two people for that

    other than that it's a pretty straightforward job

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    Alright, I think I have had alittle better help researching, What I was missing is that the drivers side cams are open so you can use cam locks on them, while the passanger side is closed face. So from what I gather the passanger side are held in zero lift, so they shouldn't move, while the drivers side are held on the cam lobe so they will move, im pretty sure this is the proper size lock http://buy1.snapon.com/catalog/item....re&dir=catalog
    can anyone confirm this.. Also can you just remove the crank pulley with an impact or do i really need the special tool? i guess i can put the pulley back on after the covers are off to line the marks up?
    Last edited by TrackReady; 08-29-2007 at 04:54 PM.
    2002 SRP wrx mt sedan
    AP v2.0 stg 2

  6. #5
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    I got mine off without the special tool. I just bought two bolts of the correct size to fit in the holes on the face of the crank and wedged a pry bar in between them to hold the pulley still. Failing that, you can pull the AC condensor as well, in order to fit a good 500ft/lb impact gun in there. The time I used an impact gun I couldn't get enough torque going through a U-joint, I had to have a direct line to break it loose. But that car needed an AC recharge anyway!

    No idea about the lock, never used one. The cams will stay in place, under tension, if the marks are lines up perfectly and you're very careful about removing the belt. Then just put the belt on the driver side cams first, then immediately clip the belt in place on those cams using two medium size binder clips:



    and thread carefully. The clips will keep the place on the belt, so moving it back to the correct position is cake.

    Good luck!
    2002 WRX Sedan - 2000 Mazda Miata
    Do us all a favor: work on learning how to drive your car before adding more power. Pretty please.

  7. #6
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    you can use this lock http://buy1.snapon.com/catalog/item....re&dir=catalog on both sides.....I don't know about using pry bars and clips....the gears are plastic and can break (happened to me once)

    the crank pulley will come off with the impact just fine

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