Wiper Issues - C900 (85 Turbo)

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LC - 23 Apr 2005 15:40 GMT

My C900 (85 Turbo) is having some wiper issues. The wiper motor is turning
the knobs that move the wiper arms, but the arms themselves are not moving,
or they will twitch a little. Unfortunately, Indianapolis in april is not
the time to be without wipers. Is there anything I can check to find the
root cause of the problem?
In the meantime... I'm thinking of using RAIN-X to help lower the need of
wipers until I can get this bloody thing fixed.

Thanks for all the help guys!

-LC

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KeithG - 23 Apr 2005 20:26 GMT

sounds like the cable came off the pulley(s) on the wiper transmission.

This is in the Bentley manual and is not too hard from what I hear. I
have not yet had a problem with my wiper transmission, though.

Keith

> My C900 (85 Turbo) is having some wiper issues. The wiper motor is turning
> the knobs that move the wiper arms, but the arms themselves are not moving,
[quoted text clipped - 7 lines]
>
> -LC

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Craig's Saab C900 Site - 23 Apr 2005 21:55 GMT

>sounds like the cable came off the pulley(s) on the wiper transmission.

>This is in the Bentley manual and is not too hard from what I hear. I
>have not yet had a problem with my wiper transmission, though.

I have. The cable broke in the wiper mechanism of my car, and being RHD (I'm
in Sydney, Ozzieland), having only the left-side wiper working when it's
bucketing down with rain isn't a good thing. At the time I was about 20 km
from home on the way to visit someone else. 8-)

Needless to say, the wiper mechanism out of my donor car became the very
first part I removed from it and installed in my running car. Was quite a
challenge because at the time I'd never disassembled anything in the engine
bay and needing to temporarily remove the AC compressor to give enough room
to remove and replace the defective wiper mech wasn't a great deal of fun
without proper tools (it was the impetus to sources lots of very useful
tools like spanner sets, etc.).

I've never seen replacement cables for sale anywhere, but complete
mechanisms come up on Ebay regularly.

Regards,

Craig.

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yaofeng - 24 Apr 2005 04:21 GMT

It's been a long time and I no longer own a c900. I remember the cable
wrap around a disk to drive the wiper. Occasionally the disk would
come loose and fall off.

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LC - 24 Apr 2005 15:03 GMT

I feel like an idiot. Once i tightened down the nuts on my wiper arms, that
fixed it.

> It's been a long time and I no longer own a c900. I remember the cable
> wrap around a disk to drive the wiper. Occasionally the disk would
> come loose and fall off.

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yaofeng - 24 Apr 2005 20:59 GMT

Something obvious is sometimes ignored. If the spindle turns, there is
nothing wrong except thenut is not tightened.

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Dave Hinz - 25 Apr 2005 17:06 GMT

> My C900 (85 Turbo) is having some wiper issues. The wiper motor is turning
> the knobs that move the wiper arms, but the arms themselves are not moving,
> or they will twitch a little. Unfortunately, Indianapolis in april is not
> the time to be without wipers. Is there anything I can check to find the
> root cause of the problem?

Other than take it apart and see what's not turning what, hard to say.

> In the meantime... I'm thinking of using RAIN-X to help lower the need of
> wipers until I can get this bloody thing fixed.

YES. Rain-X is fantastic.

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