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GM / General Motors: replacing elect window motors-Buick LeSabre

  1. #1
    jhill
    Guest

    replacing elect window motors-Buick LeSabre

    I need to replace the electric window motor in the back door of my 1991
    Buick LeSabre. Can someone point me to a site or book that tells me what
    all I have to do to get the inside door panel off so I can get in to the
    motor?
    TIA



  2. #2
    Harry
    Guest

    Re: replacing elect window motors-Buick LeSabre

    Just so you know the power window motors are riveted in and you have to
    dril out the rivets ( about 6 of them ) to removed the motor. You can re
    rivet the the new motor in or use nuts & bolts. Its quite an involved
    job. Took me about four hours ( driver front door ).

    Not sure of the procedure to remove a Buick door panel.

    Good Luck.


    =========
    Harryface
    =========

    1991 Pontiac Bonneville LE
    ~_~_~270,000 miles_~_~_





  3. #3
    Robertwgross
    Guest

    Re: replacing elect window motors-Buick LeSabre

    jhill wrote: 

    I had the '91 Park, which should be pretty close. It had a left rear window
    that would not operate. I followed the diagnostics as I found in the Helm
    manual, and I concluded that the problem (for mine) was actually inside the
    driver door, at or near the controls. At first, I did not see the Allen head
    hex bolt that held one door panel on, so I had the dealer do the work instead.
    They concluded that it was actually the window motor, so they replaced it and
    it worked. Then later, the whole set of symptoms came back. I followed the Helm
    manual again, and again I figured it must be in the driver door switches or
    nearby. I took it to the dealer again. They called and said that it was the
    window motor. I explained to them what they had previously replaced, and then I
    told them what the Helm manual said. Two hours later, they called to say that
    it was now all fixed. No new motor. No charge. They never wanted to admit
    exactly what it was that was intermittent inside the driver door controls.
    Maybe a connector.

    ---Bob Gross---

  4. #4
    jhill
    Guest

    Re: replacing elect window motors-Buick LeSabre

    the switch at the back door does not work either. The window went down 2
    inches and stopped, won't come back up or go on down. I at least need to go
    in and move the motor or whatever to get the window back up!
    "Robertwgross" <com> wrote in message
    news:news.cs.com... 
    window 
    the 
    head 
    instead. 
    and 
    Helm 
    or 
    the 
    then I 
    that 



  5. #5
    Robertwgross
    Guest

    Re: replacing elect window motors-Buick LeSabre

    jhill wrote: 

    If you study the electrical diagrams, you will see what I mean. The rear door's
    switch does not connect directly to the rear motor. The switch is wired up
    through the driver's door switches and then back to the rear motor.

    On the other hand, this one sounds vaguely like the contacts inside the motor
    could be toast.

    Did you follow my earlier comments, based on the Helm manual?

    ---Bob Gross---

  6. #6
    jhill
    Guest

    Re: replacing elect window motors-Buick LeSabre

    Bob, Sorry, I don't know what a "Helm" manual is -- more details. Something
    I can buy at a better Auto parts store? Something I have to order?
    "Robertwgross" <com> wrote in message
    news:news.cs.com... 
    go 
    door's 
    motor 



  7. #7
    Robertwgross
    Guest

    Re: replacing elect window motors-Buick LeSabre

    jhill wrote: 

    Whenever you purchase a new GM car, you purchase the real shop manual from
    Helm, Inc. It varies from model to model, but it is typically two volumes
    about the size of a telephone book, and the price is typically $100-150. I
    figure the manuals are worth ten times that price over the life of the car.

    ---Bob Gross---

  8. #8
    Tj
    Guest

    Re: replacing elect window motors-Buick LeSabre

    Most door panels have 2 or 3 screws. look in the carpet of the door, or
    under the arm rest and near the handle. Once the screws are removed, you
    need to grab the panel and pull hard. It will come off. It is attacked with
    plastic push ons. They hold the door in(they can be bought at any parts
    store). I start at the edge of the door and pull (screw driver will help,
    then work all the way around the door.
    Once the panel is off, duct tape the window in position. If you don't it
    will come crashing down once you remove the motor. Most motors are held in
    place by rivets (faster to assemble that way). You will need to drill out
    the rivets. Some rivets might hold the window channel. I bought a new muter
    and compared it so I could figure out which ones to drill out.
    I am no expert, and it was the first one I did. It will take a couple of
    hours.

    "jhill" <edu> wrote in message
    news:bopdat$4se$tamu.edu... 



  9. #9
    jhill
    Guest

    Re: replacing elect window motors-Buick LeSabre

    I removed all the screws I could see, but the arm rest still seems to be
    fastened to the door frame through the panel somehow, so I can't pull the
    panel off. Everything else is free as far as I can tell. I have looked all
    around it for screws (or pop-off screw covers) that hold it on, but don't
    see any yet
    "Tj" <rr.com> wrote in message
    newstUsb.65632$nyroc.rr.com... 
    with 
    muter 
    what 



  10. #10
    Robertwgross
    Guest

    Re: replacing elect window motors-Buick LeSabre

    jhill wrote: 

    Are you trying to pull open the front door or the back door?

    ---Bob Gross---


 

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