Question about 1991 Pontiac Bonneville

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My drivers side power seat not moving but i can hear the power working when i hold the switch. fuses and circuit breakers good. why wont it move?

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  • pj l Dec 09, 2008

    Seat back will move all the way down but will not return. Motor and switch functiond - the dtive cable torques but the seat back will not move toward the upright position

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Had exactly the same problem. Hacked a solution, disconnected the flexible cable from the motor. Problem was the nylon drive gear was stripped. Just twisted the cable by hand to desired position ( wife's car) to fit her. Left cable detached and accessible under the seat if needed again. Big tussel getting the seat removed. GM has a very large strange torx screw holding the seat belt mount which has to be removed. Other strangeness the front 2 seat mount bolts were metric. The rear 2 were US SAE standard. Other strangness one bolt was never installed at factory ?? Was probably close to lunch time at the seat place. If you want to repair fully you should get a used ? motor as I think the wholw motor housing was rather crimped and built into th seat frame. That's probably why I did the "manual hack" works well for a year now. Now window motors are another sad story.
(inner door pannel is welded in place) need to cut for access - Dealer quited $500 - window is rather still closed.
Good Luck
Apeal

Posted on Aug 21, 2009

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