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Toyota Trucks: 85 22R Timing Chain

  1. #1
    sjohnsen
    Guest

    85 22R Timing Chain

    I may have to take it all apart again. - pain.

    Any tricks for keeping the chain "straight" till you get the head on and can
    then get it on the cam shaft?

    Problem: I cant pull the slack up to the top. Is the chain stuck on a
    tooth.??
    Got mine in a bind , cant turn the crank shaft to try and free it up.
    The new tensioner doesn't seem to want to work, like its stuck in the out
    position. Seemed to work when I bolted it up.

    Its a long way down from the top, yes the head has just been installed, so
    I'm going to spend an hour or so trying to free the chain.

    PS ; my current thought for next time is to use rubber band to somehow keep
    the slack chain at the top ( near the cam sprocket in the chain guides)
    while the timing cover and head are installed.

    Thanks in advance for your ideas ! !
    Scott



  2. #2
    Benjamin
    Guest

    Re: 85 22R Timing Chain

    You should be able to put the crankd pulley back on an turn the engine by
    hand in neutral. If you can't even do that, then there must be some problem
    with the chain down there. You have to push the tensioner straight in. It
    will get stuck if you put any side loads on the tensioner piston. I would
    try to free the crank first, then wiggle the crank while pulling the chain
    up. While pulling the chain up, it would be helpful to pull towards to the
    right to push the tensioner in. You get more mechanical advantage that way.
    By wiggling the crank, you might be able to use the friction between the
    chain and the tensioner block to keep the tensioner piston from cocking to
    the side as it is pushed in. Clear as mud?

    Ben


    "sjohnsen" <net> wrote in message
    news:com... 
    can 
    so 
    keep 



  3. #3
    sjohnsen
    Guest

    Re: 85 22R Timing Chain

    Thanks ! I pulled the chain and rocked the crank but didn't feel like I
    was getting anywhere. Oh well --

    I am taking the alternate approach. No, not the quarter stick of dynamite!
    Took it all back apart and bought more gaskets.
    Seems like the chain was stuck on the bottom /crank timing gear. My new
    approach is fool proof for the chain installation but may be troublesome
    elsewhere. Trade offs. I reinstalled the head and will install timing
    chain, tensioner, guides and cover to fit.
    I suppose I'll need some extra heavy duty sealer between the bottom of the
    head and timing cover. Any recommendations?
    RTV - gray, read, black, or some other ?

    Thanks Again, I really appreciate your response.
    Scott

    "Benjamin Lee" <att.net> wrote in message
    news:a_SSb.149555$ops.worldnet.att.net... 
    problem 
    way. 
    out 



  4. #4
    Roger
    Guest

    Re: 85 22R Timing Chain

    sjohnsen wrote: 

    I used the Toyota black Form In Place Gasket (FIGP).
    http://www.4crawler.com/4x4/ForSale/Shackles.shtml#FAQ4

    --
    Roger

  5. #5
    Insp.
    Guest

    Re: 85 22R Timing Chain

    On Sun, 01 Feb 2004 16:14:14 +0000, Roger Brown wrote:

     

    This link seems to be about shackles, Google turns up this one that might
    be relevant:

    http://www.4crawler.com/4x4/CheapTricks/EngineMods/TimingChain.shtml

    Here is another article on the topic:

    http://www.4x4wire.com/toyota/maintenance/timingchain/

  6. #6
    Roger
    Guest

    Re: 85 22R Timing Chain

    Sorry, pasted the wrong link in, thanks for the correction:

    "Insp. Gadget" wrote: 

  7. #7
    sjohnsen
    Guest

    Re: 85 22R Timing Chain

    Thank You All for the good links and info.
    Scott

    "Roger Brown" <org> wrote in message
    newsrg... 
    might 




 

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