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Thread: 1986 Toyota 22R timing chain cover reinstallation

  1. #1
    hesitant
    Guest hesitant's Avatar

    Default 1986 Toyota 22R timing chain cover reinstallation

    I'm finally getting around to putting my 1986 22r carburated engine
    back together after replacing the timing chain guides, and, yes, I did
    take this groups' advice and ordered the steel-backed ones. I ignored
    both the Haynes manual and the Toyota factory manual and put the head
    back on before replacing the timing chain cover. One discovery I made
    is that this approach can, and did, mess up the head gasket as it sits
    over the cover, and creates a problem inserting the hidden bolt coming
    into the cover. Therefore, I took things apart, and plan to proceed
    by installing the cover first. My main concern is that it was a
    challenge to get the camshaft sprocket on the camshaft, and only by
    installing the timing chain dampers or guides after getting the
    sprocket on could I get enough chain slack to get the job done. I'm
    not going to be able to do it that way if I put the timing chain cover
    on first. Any thoughts? Thanks. Art Cain.

  2. #2
    Wes
    Guest Wes's Avatar

    Default 1986 Toyota 22R timing chain cover reinstallation

    The way I do it is to use a 3/8" drive extension, a looong one, to compress
    te tensioner. Here's how. With the timing cover one and the top gear on
    the chain in the correct position in your hand, pull tension on the chain
    and then stick the extension down to the tensioner and lever it into it's
    comressed possition. The have soneone help while you keep the tensioner
    compressed and wiggle the gear onto the cam. It is a tight fit.

    "hesitant" <amjcain@charter.net> wrote in message
    news:47c09d3b.0411072219.2cda9ddd@.................c om...
    > I'm finally getting around to putting my 1986 22r carburated engine
    > back together after replacing the timing chain guides, and, yes, I did
    > take this groups' advice and ordered the steel-backed ones. I ignored
    > both the Haynes manual and the Toyota factory manual and put the head
    > back on before replacing the timing chain cover. One discovery I made
    > is that this approach can, and did, mess up the head gasket as it sits
    > over the cover, and creates a problem inserting the hidden bolt coming
    > into the cover. Therefore, I took things apart, and plan to proceed
    > by installing the cover first. My main concern is that it was a
    > challenge to get the camshaft sprocket on the camshaft, and only by
    > installing the timing chain dampers or guides after getting the
    > sprocket on could I get enough chain slack to get the job done. I'm
    > not going to be able to do it that way if I put the timing chain cover
    > on first. Any thoughts? Thanks. Art Cain.

  3. #3
    Spencer Fowers
    Guest Spencer Fowers's Avatar

    Default 1986 Toyota 22R timing chain cover reinstallation

    I ended up being saved by a long steel rod from an old mop that was
    bent at the right angle to let me apply pressure to the tensioner
    while I pulled up on the cam sprocket. Easiest if you have two
    people. I've also heard you can have someone turn the crankshaft
    manually while you pull up on the sprocket little by little until you
    can hook it on, but I never go that frustrated to organize that
    intricate of an effort.

    Spencer

    "Wes" <toy_4_runr_@mchsi.com> wrote in message news:<5hvkd.322883$wV.286117@attbi_s54>...
    > The way I do it is to use a 3/8" drive extension, a looong one, to compress
    > te tensioner. Here's how. With the timing cover one and the top gear on
    > the chain in the correct position in your hand, pull tension on the chain
    > and then stick the extension down to the tensioner and lever it into it's
    > comressed possition. The have soneone help while you keep the tensioner
    > compressed and wiggle the gear onto the cam. It is a tight fit.
    >
    >
    > "hesitant" <amjcain@charter.net> wrote in message
    > news:47c09d3b.0411072219.2cda9ddd@.................c om...
    > > I'm finally getting around to putting my 1986 22r carburated engine
    > > back together after replacing the timing chain guides, and, yes, I did
    > > take this groups' advice and ordered the steel-backed ones. I ignored
    > > both the Haynes manual and the Toyota factory manual and put the head
    > > back on before replacing the timing chain cover. One discovery I made
    > > is that this approach can, and did, mess up the head gasket as it sits
    > > over the cover, and creates a problem inserting the hidden bolt coming
    > > into the cover. Therefore, I took things apart, and plan to proceed
    > > by installing the cover first. My main concern is that it was a
    > > challenge to get the camshaft sprocket on the camshaft, and only by
    > > installing the timing chain dampers or guides after getting the
    > > sprocket on could I get enough chain slack to get the job done. I'm
    > > not going to be able to do it that way if I put the timing chain cover
    > > on first. Any thoughts? Thanks. Art Cain.

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