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Toyota Trucks: rear window - '98 4runner

  1. #1
    tlf
    Guest

    rear window - '98 4runner

    My rear window has started acting up and i need some advice. if i try to
    roll it down, it sort of jumps down a few inches at a time. Sometimes it
    only does that the until about halfway down, then it rolls down fine the
    rest of the way. Sometimes it will jump down, then if I release the switch,
    it will automatically roll back up until closed. I have tried using both the
    switch up front and the key in the rear door, both reproduce the problem. So
    is this likely a switch problem or motor or both?? If both, how much am I
    looking at to replace? Can't live without it, nor can the dog!

    Thanks in advance!
    -Tim



  2. #2
    Wolfgang
    Guest

    Re: rear window - '98 4runner

    Spray some silicone spray on the window tracks --- down inside the door
    shell too. Do it before you strip the grars on the motor (big $$$).

    "tlf" <net> wrote in message
    news:4yjMb.27013$.. 
    switch, 
    the 
    So 



  3. #3
    tlf
    Guest

    Re: rear window - '98 4runner


    Hey Wolf,

    Thanks for the tip. I just picked up some silicone spray but when I went to
    lower the back window all I get now is a click (from the back door). This
    sucks. I suppose I better bend over now.

    -T


    "Wolfgang" wrote in message: 



  4. #4
    Evil
    Guest

    Re: rear window - '98 4runner

    Unfortunatelly you WILL have to bend over. What you described is exactly
    what happened to me. The little gear on your motor has stripped. The design
    of the window sucks, and water gets in an washes out all the grease. This in
    turn rusts the gears. What happened on mine was that the motor gear got
    stripped. You have no choice but to get a new motor. Sorry.


    "tlf" <net> wrote in message
    news:2TlMb.28278$.. 
    to 



  5. #5
    tlf
    Guest

    Re: rear window - '98 4runner

    I don't suppose I could find an aftermarket motor out there and that I could
    do the work myslef? Am I dreaming? Google seemed to think so.


    "Evil Homer" <com> wrote in message
    news:.. 
    design 
    in 
    This 
    door 



  6. #6
    Wolfgang
    Guest

    Re: rear window - '98 4runner

    Try www.taprecycling.com for a used motor. I'd take yours out and check it
    first --- I seem to recall dealer price on the motor (can't just buy the
    gears) was over $300. Might look on ebay too --- TAP is often pricy on what
    they think a used part is worth.

    "tlf" <net> wrote in message
    news:XrsMb.32704$.. 
    could 
    This 
    went 



  7. #7
    tlf
    Guest

    Re: rear window - '98 4runner

    Good ideas - thx! I called my local dealer here today and was quoted $262.00
    for the motor. The regulator is another $131.00 if thats needed. I did
    manage to get the window open this morning and immediately shot a bunch of
    silicone in the tracks, and onto the regulator gears (I think that's what I
    saw - 2 fan shaped gears in the center of the door??). The silicone seemed
    to help and I didn't have any problems lowering/raising the rest of the day.
    I have no idea how this works but am envisioning that the motor turns an arm
    and the other end of the arm is attached to the fan shaped gears? As the
    window comes up the regulator moves down thus lifting the window. Am I
    close? One parts guy told me it was a huge job, and the other one told me it
    could be done pretty easily so I guess I better just get in there and see
    what I can find.


    "Wolfgang" <net> wrote in message
    news:AQGMb.1126$.. 
    it 
    what 
    exactly 
    got 
    $$$). 



  8. #8
    Bruce
    Guest

    Re: rear window - '98 4runner

    On Tue, 13 Jan 2004 05:07:55 GMT, "tlf"
    <net> wrote:
     

    The 'fan shaped gears' keep the window straight in it's tracks as
    it goes up and down by pushing on both sides evenly. One of the arms
    is pushed up and down by the motor.

    If you have sprayed some silicone lube in the rubber window tracks
    and on the mechanism, try it for a while - with the caveat that you
    don't lower the window at a /really/ bad time - like when you're away
    from home and it looks like rain...

    You still might have to take the door panel off and change the motor
    or regulator, but stuck windows are often just caused by the glass
    sticking in the channels. (And if you leave the glass sticking and
    binding up the works long enough, THEN it chews up the motor or
    regulator gears.)

    --<< Bruce >>--

  9. #9
    Mike
    Guest

    Re: rear window - '98 4runner

    "tlf" <net> wrote in message news:<L2LMb.40407$xy6.108952@attbi_s02>... 

    yes, actually, there are three gears, one is hidden behind the brace.
    but you got the idea. the motor turns the hidden gear which is
    attached to the fan-shaped assy and that moves the window up and down.
    every couple of months i grease it all. however rather than
    silicone, i suggest spray white lithium. don't use the lithium grease
    on the rubber, that's best left to the silicone, but for metal-metal
    contact the lithium is the best and it's mosty water proof.

    i didn't find working on the window a big deal. my friend bought a
    runner where the rear window was crooked and he wanted to fix that. i
    had never taken the rear apart before, but i took the motor,
    regulator, and window out (i also took the motor apart by accident).
    then we straightend the windows and put it all back in. i think it
    was a 3hour job or so. but about 1.5 hours were trying to put the
    motor back together (there are springs that push the brushes agains
    the rotor which jumped out and were a real pain to get back in). so
    it'll be a relatively easy job if you don't mess with taking the motor
    apart - you can take the motor off without taking it apart.

    mike

  10. #10
    tlf
    Guest

    Re: rear window - '98 4runner

    Well I found out what I am up against this weekend, had some extra time so i
    removed the metal panel behind the door and got a good look at the guts. I
    assume that blue box (attached to the panel) is the control center for the
    wiper, window, door locks, license plate lights, etc.??? Didn't really take
    too much apart yet but did spray a nice coat of silicone on most of the
    moving parts. Didn't have any of the lithum spray grease but i do have
    lithium canned grease, would this be OK to use on the arm slide and the fan
    gears, for instance? Or will it eventually gum up?

    thanks!

    "Mike Deskevich" <com> wrote in message
    news:google.com.. 




 

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