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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: door locks - ghost in the machine
>Instead, all three solenoids went rapidly from lock to unlock for about ten >seconds, even after I removed the key from the barrel !! This wouldn't >stop until I replaced the key in the lock and forced it to stop oscillating. >I almost expected it to blink it's lights, start up, and drive away without >me. >.....weird. Nah, not weird. It's fairly common with that era 'S, and more than a little amusing to play with. :> On those cars, the power lock sensors are not position dependent. Rather, they are motion dependent. What happens is a lock mechanism gets a bit stiff. You unlock the door, the sensor detects the motion and all drivers go towards unlock. The stiff mechanism causes the lock linkage to deflect a bit from the load. when the driver deactivates, the linkage springs back a bit. The sensor sees this motion as travel in the lock direction, and kicks the drivers into lock mode. Linkage deflects, drivers disengage, Linkage springs back, sensor sees motion in unlock direction, drivers go to unlock.... Repeat until end_of_battery. Or until you jam down on the linkage long enough to ride out the cycle. the cure is to remove both door panels and clean and lube the lock system. the gumminess is usually in the striker assembly. >Julian mullaney Randy K. Wilson randy@taylor.infi.net References:
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