760 GLE heated leather seat not working :(

Discussion in 'Volvo 760' started by Myron Samila REMOVE NO SPAM, Nov 11, 2003.

  1. Hi all,

    My 1987 760 GLE has heated leather seats, but the heater on the driver's side (both seat
    bottom and back died at different times). The fuse checks ok, the switch is good (at
    least the indicators come on the switch), I haven't tested for power at the seat yet. Is
    this common, and is it possible to do a repair? It would be a shame if it can't.

    Another problem, somewhat annoying as well, is the power seat TILT function doesn't work.
    Switch is fine, motor runs but not engaging the gears. The seat is kinda cocked in a
    wierd position (one side tilted 'till recently). I think the motor sits right in the
    middle of the seat back and two cables come out of it to run the gears at the side of the
    seat (referring to pics I've seen). Any way to manually get it into a comfortable
    position? I'd love to fix it, but, I don't think that will be easily possible.

    I just wish the seat heater works ;), I think it might be a cold winter ahead.

    --
    Myron Samila
    Toronto, ON Canada
    Samila Racing
    http://204.101.251.229/myronx19
     
    Myron Samila REMOVE NO SPAM, Nov 11, 2003
    #1
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  2. I have a 740 with leather and my heated seats don't work either.
    Knowing a few people with Volvo's and myself checking the electrics on my
    own. I can probably say with little doubt that the heater elements in your
    seats have shuffled the mortal coil.

    Regarding your Tilt. Not having this on my car I would guess as your seat if
    askew that the teeth have stripped on one of the cogs. I am sure some other
    person will know exactly what is wrong though.

    Repair on the heated seats is possible if you can upholster. You have to
    remove the seat and unpick the staples from the bottom to allow access to
    the element. You might wish to check power at the plug under the seat first.
    Wouldn't want you to waste your time.

    I myself have let my wife have the Volvo and cold seats and I got another
    car. Fearing a monumental task ahead.

    "Myron Samila REMOVE NO SPAM" <> wrote in
    message news:cK7sb.2241$...
    > Hi all,
    >
    > My 1987 760 GLE has heated leather seats, but the heater on the driver's

    side (both seat
    > bottom and back died at different times). The fuse checks ok, the switch

    is good (at
    > least the indicators come on the switch), I haven't tested for power at

    the seat yet. Is
    > this common, and is it possible to do a repair? It would be a shame if it

    can't.
    >
    > Another problem, somewhat annoying as well, is the power seat TILT

    function doesn't work.
    > Switch is fine, motor runs but not engaging the gears. The seat is kinda

    cocked in a
    > wierd position (one side tilted 'till recently). I think the motor sits

    right in the
    > middle of the seat back and two cables come out of it to run the gears at

    the side of the
    > seat (referring to pics I've seen). Any way to manually get it into a

    comfortable
    > position? I'd love to fix it, but, I don't think that will be easily

    possible.
    >
    > I just wish the seat heater works ;), I think it might be a cold winter

    ahead.
    >
    > --
    > Myron Samila
    > Toronto, ON Canada
    > Samila Racing
    > http://204.101.251.229/myronx19
    >
    >
     
    Artful Dodger, Nov 11, 2003
    #2
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  3. Myron Samila REMOVE NO SPAM

    James Sweet Guest

    "Myron Samila REMOVE NO SPAM" <> wrote in
    message news:cK7sb.2241$...
    > Hi all,
    >
    > My 1987 760 GLE has heated leather seats, but the heater on the driver's

    side (both seat
    > bottom and back died at different times). The fuse checks ok, the switch

    is good (at
    > least the indicators come on the switch), I haven't tested for power at

    the seat yet. Is
    > this common, and is it possible to do a repair? It would be a shame if it

    can't.
    >
    > Another problem, somewhat annoying as well, is the power seat TILT

    function doesn't work.
    > Switch is fine, motor runs but not engaging the gears. The seat is kinda

    cocked in a
    > wierd position (one side tilted 'till recently). I think the motor sits

    right in the
    > middle of the seat back and two cables come out of it to run the gears at

    the side of the
    > seat (referring to pics I've seen). Any way to manually get it into a

    comfortable
    > position? I'd love to fix it, but, I don't think that will be easily

    possible.
    >
    > I just wish the seat heater works ;), I think it might be a cold winter

    ahead.
    >


    Just go to a junkyard and get another seat, doesn't matter if the upholstery
    matches as you can easily transfer all that stuff over, all you need are the
    guts. The power seats are a little tougher to find but it still shouldn't be
    too hard, particularly in Ontario where there's likely plenty of rusted out
    cars with decent interiors.
     
    James Sweet, Nov 11, 2003
    #3
  4. Myron Samila REMOVE NO SPAM

    Mike F Guest

    Myron Samila REMOVE NO SPAM wrote:
    >
    > Hi all,
    >
    > My 1987 760 GLE has heated leather seats, but the heater on the driver's side (both seat
    > bottom and back died at different times). The fuse checks ok, the switch is good (at
    > least the indicators come on the switch), I haven't tested for power at the seat yet. Is
    > this common, and is it possible to do a repair? It would be a shame if it can't.
    >
    > Another problem, somewhat annoying as well, is the power seat TILT function doesn't work.
    > Switch is fine, motor runs but not engaging the gears. The seat is kinda cocked in a
    > wierd position (one side tilted 'till recently). I think the motor sits right in the
    > middle of the seat back and two cables come out of it to run the gears at the side of the
    > seat (referring to pics I've seen). Any way to manually get it into a comfortable
    > position? I'd love to fix it, but, I don't think that will be easily possible.
    >
    > I just wish the seat heater works ;), I think it might be a cold winter ahead.
    >
    > --
    > Myron Samila
    > Toronto, ON Canada
    > Samila Racing
    > http://204.101.251.229/myronx19


    Generally the heater pads burn out on those seats, although sometimes
    you can get lucky, and it's a problem with the relay or the wiring under
    the seat.

    The outer part of the drive cables stretch, causing the inner part to
    disconnect from the mechanism. You can fix (shorten) the cables by
    heating the ends with a heat gun, removing the metal fitting, shortening
    the sheath 4-5mm then reheating and installing the metal fitting.

    --
    Mike F.
    Thornhill (near Toronto), Ont.

    Change cant to ca and remove parentheses to email me directly.
     
    Mike F, Nov 12, 2003
    #4
  5. Its sure hard to find rusted out 740/760s in Ontario!! My 1987 has original paint, and
    only a few minor surface rust areas (near where the chrome trim meets the door window
    frame, etc.). I swear, even the underside of the doors are super clean. Never been rust
    proofed!!

    My friend has mid 80s 740 wagon, no rust at all!! I don't believe it!! Well, my sister
    donated this car to me, and its in great shape, she's buying a used S70.

    Thanks for the help.

    --
    Myron Samila
    Toronto, ON Canada
    Samila Racing
    http://204.101.251.229/myronx19
    "James Sweet" <> wrote in message
    news:Brasb.125241$275.362656@attbi_s53...
    >
    > "Myron Samila REMOVE NO SPAM" <> wrote in
    > message news:cK7sb.2241$...
    > > Hi all,
    > >
    > > My 1987 760 GLE has heated leather seats, but the heater on the driver's

    > side (both seat
    > > bottom and back died at different times). The fuse checks ok, the switch

    > is good (at
    > > least the indicators come on the switch), I haven't tested for power at

    > the seat yet. Is
    > > this common, and is it possible to do a repair? It would be a shame if it

    > can't.
    > >
    > > Another problem, somewhat annoying as well, is the power seat TILT

    > function doesn't work.
    > > Switch is fine, motor runs but not engaging the gears. The seat is kinda

    > cocked in a
    > > wierd position (one side tilted 'till recently). I think the motor sits

    > right in the
    > > middle of the seat back and two cables come out of it to run the gears at

    > the side of the
    > > seat (referring to pics I've seen). Any way to manually get it into a

    > comfortable
    > > position? I'd love to fix it, but, I don't think that will be easily

    > possible.
    > >
    > > I just wish the seat heater works ;), I think it might be a cold winter

    > ahead.
    > >

    >
    > Just go to a junkyard and get another seat, doesn't matter if the upholstery
    > matches as you can easily transfer all that stuff over, all you need are the
    > guts. The power seats are a little tougher to find but it still shouldn't be
    > too hard, particularly in Ontario where there's likely plenty of rusted out
    > cars with decent interiors.
    >
    >
     
    Myron Samila REMOVE NO SPAM, Nov 12, 2003
    #5
  6. Myron Samila REMOVE NO SPAM

    James Sweet Guest

    "Myron Samila REMOVE NO SPAM" <> wrote in
    message news:mTrsb.28222$...
    > Its sure hard to find rusted out 740/760s in Ontario!! My 1987 has

    original paint, and
    > only a few minor surface rust areas (near where the chrome trim meets the

    door window
    > frame, etc.). I swear, even the underside of the doors are super clean.

    Never been rust
    > proofed!!
    >
    > My friend has mid 80s 740 wagon, no rust at all!! I don't believe it!!

    Well, my sister
    > donated this car to me, and its in great shape, she's buying a used S70.
    >
    > Thanks for the help.
    >


    Impressive, I've heard of them rusting out, however they are galvanized so
    they should be quite durable. Around here nothing rusts generally so it's
    hard to compare. Either way the car is old enough that there should be
    plenty of them in the cheaper wrecking yards. If you have surface rust, take
    care of it before it sets in and starts spreading, rust is evil, it spreads
    like cancer.
     
    James Sweet, Nov 12, 2003
    #6
  7. Myron Samila REMOVE NO SPAM

    William Liao Guest

    Can't help you with the heated seats, because my car doesn't have them (and
    I'd rather a super-duper air-con than heated seats in this stinking hot
    Australian summer!!), but I can certainly help you with the power seat
    problem, because I've had the exact same problem and I fixed it.

    Firstly, I think it's going to be a lot easier to work on (for both the
    power seat and heated seat problem) if you remove the seat from your car.
    The drive motor spins the drive cable, the drive cable moves the drive gear,
    which in turn moves the backrest. The drive cable is a metal cable inside a
    rubber / soft plastic tube, and it's the metal cable that spins. What's
    happened to your seat is that the metal cable is no longer "plugged in" at
    one end, most likely the drive gear end. They are two drive gears on the
    seat, mounted on either side. They can move individually but under normal
    operation they are drive by the same motor and that's how they move in sync.
    If only one cable popped out, the other side can still tilt.

    To fix it, first go to the backrest and remove the entire drive cable (with
    the plastic tube) by disconnecting it at both motor and drive gear end.
    Unscrew the metal clip that's holding down the drive cable on either end and
    it will pull out easily. The whole mechanism is hidden inside the backrest
    so the first time you do this it's probably easier to remove the backrest
    upholstery. Then remove the two plastic covers for the tilt drive gear on
    either side of the seat, and remove the metal cover on the drive gear (5
    screws either side from memory). At this stage the spring will force the
    seat back to the upright position. Reattach the metal drive gear covers.
    Now re-install the drive cable and making sure that both ends are "plugged
    in". The trickiest part here is that the metal drive cable actually slides
    inside the plastic tube, so you need to firstly centre the plastic tube on
    the drive cable (the plastic tube is just a little bit shorter than the
    metal drive cable, so align it till the metal cable are protruding by
    roughly the same amount on either ends). Then when you re-install the drive
    cable, with one hand insert it into the tilt drive gear (I suggest doing the
    drive gear first). With your other hand hold the other end of the cable
    (plastic part), but also hold the actual metal drive cable with your thumb
    to stop it from sliding out. Insert the other end into the gear motor
    gently. Screw the metal clips on, and test for correct operation before you
    re-install the seat.
    _________________
    Will
    '90 Volvo 744 GLT
    B230F converted to B230FB (531 Head & VX3 Cam)

    "Myron Samila REMOVE NO SPAM" <> wrote in
    message news:cK7sb.2241$...
    > Hi all,
    >
    > My 1987 760 GLE has heated leather seats, but the heater on the driver's

    side (both seat
    > bottom and back died at different times). The fuse checks ok, the switch

    is good (at
    > least the indicators come on the switch), I haven't tested for power at

    the seat yet. Is
    > this common, and is it possible to do a repair? It would be a shame if it

    can't.
    >
    > Another problem, somewhat annoying as well, is the power seat TILT

    function doesn't work.
    > Switch is fine, motor runs but not engaging the gears. The seat is kinda

    cocked in a
    > wierd position (one side tilted 'till recently). I think the motor sits

    right in the
    > middle of the seat back and two cables come out of it to run the gears at

    the side of the
    > seat (referring to pics I've seen). Any way to manually get it into a

    comfortable
    > position? I'd love to fix it, but, I don't think that will be easily

    possible.
    >
    > I just wish the seat heater works ;), I think it might be a cold winter

    ahead.
    >
    > --
    > Myron Samila
    > Toronto, ON Canada
    > Samila Racing
    > http://204.101.251.229/myronx19
    >
    >
     
    William Liao, Dec 14, 2003
    #7
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