2000 Sienna Power Window Wierdness

I have a wierd problem with the drivers side power window. If I put
the window all the way down, particularly if I use auto down, the
window won’t come up normallyabout 50% of the time. At first nothing
happens when you use the switch, even if I pull it over and over. But
if I wait a minute or so the window will go up 1 or 2 inches then
slowly stop. Then after another minute or 2 it’ll go up another 1 or 2
inches then stop, etc etc until it is all the way up. If I don’t put
the window all the way down this never happens.
It seems like I should replace the motor, but it works fine if I stop
opening the window within 3 inches of the bottom.
Any ideas??

Thanks in advance,

Bill

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Some sort of a limit switch problem? Maybe the safety force sensor is
having issues? Not sure how they are controlled on the Sienna.

On 9 Jun 2005 02:35:50 -0400, bhfx <UseLinkToEmail@AutoForumz.com>
wrote:
[color=blue]
>I have a wierd problem with the drivers side power window. If I put
>the window all the way down, particularly if I use auto down, the
>window won’t come up normallyabout 50% of the time. At first nothing
>happens when you use the switch, even if I pull it over and over. But
>if I wait a minute or so the window will go up 1 or 2 inches then
>slowly stop. Then after another minute or 2 it’ll go up another 1 or 2
>inches then stop, etc etc until it is all the way up. If I don’t put
>the window all the way down this never happens.
>It seems like I should replace the motor, but it works fine if I stop
>opening the window within 3 inches of the bottom.
>Any ideas??[/color]

The window is binding up in it's track at the bottom of travel, then
binding while going up again, and tripping the thermal circuit breaker
for the window motors. It takes a minute or so till the circuit
breaker cools down and automatically resets. Then you try going back
up, and with the breaker already hot from the last attempt it only
runs a few seconds till the breaker pops open again.

Sounds like you need to get the inner door trim panel off and check
out the window regulator mechanism - it works like a scissor jack
that's /supposed/ to keep the window level as it goes up and down, and
I'll bet there's something broken or bent.

See if the window motion improves if you grab the top of the glass
and wiggle sideways - if there is a broken rivet or link in the
operator mechanism, the glass gets 'cockeyed' in it's slot and the
motor is trying to push it up sideways, which won't work.

And rubber lubricant in the window channels can help, too. They get
dried out and sticky as the car gets older, and that puts a lot more
strain on the window motors and regulators. That can cause one of the
arms to bend under the strain...

--<< Bruce >>--

--
Bruce L. Bergman, Woodland Hills (Los Angeles) CA - Desktop
Electrician for Westend Electric - CA726700
5737 Kanan Rd. #359, Agoura CA 91301 (818) 889-9545
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