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Don 944 LA's Avatar
 
Join Date: Nov 2003
Location: Downtown LA CA / North Texas
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Maybe a stupid question, but ........

This may sound like a stupid question, but I just replaced my front wiper motor ( pre 85 944na ) with one from a local parts store. It was definately a rebuilt motor.

Well it works, but it takes 1.5 seconds per half revolution. In other words 1.5 seconds from bottom of winshield to top of winshield. 3.0 seconds per cycle.

This seems a little slow to me, but when I bought the 944 it didn't work, and we don't get much rain here in Calif.

Is maybe my intermittent wiper relay bad ?

Any thoughts or ideas ????

Thanks
Don

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944 85.0 Kalahari Beige -- Dead/Gone/NotForgotten (Ran Like a Raped Banshee) 944 85.5 Guards Red
Current Stable 944 83 Kalahari Beige manual rack, short 5th gear951 86 Guards Red, pristine TurboYou must not anger the Porsche Gods - you MUST leave one small item unrepaired, lest the Stuttgartians smite thine car with bad Ju-Ju-AF Juvat
Old 12-06-2003, 05:07 PM
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may be a teeny bit slow, but not too much. (I'm trying to time that in my head as I'm not in the car ) probably not a problem with the delay switch. the delay does not affect the time it takes for the wiper to move from bottom to top and back. rather, it controls the delay for the duration of one cycle. also, try your hi-speed setting to see how fast that goes
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Old 12-06-2003, 05:34 PM
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Do you have two speeds? Or just one?
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Hugh - So Cal 83 944 Driver Person
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Old 12-06-2003, 07:08 PM
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Quote:
Originally posted by SoCal Driver
Do you have two speeds? Or just one?
I'm not sure.

It's the 84/85 style. It does have a multiple position arm.
It is OFF in either the "all the way down" or "one up ".
thats why I think the delay may have something to do with it.

I just cant believe that I would be able to see in a medium downpour.

I jiggled the relays etc...

Don
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944 85.0 Kalahari Beige -- Dead/Gone/NotForgotten (Ran Like a Raped Banshee) 944 85.5 Guards Red
Current Stable 944 83 Kalahari Beige manual rack, short 5th gear951 86 Guards Red, pristine TurboYou must not anger the Porsche Gods - you MUST leave one small item unrepaired, lest the Stuttgartians smite thine car with bad Ju-Ju-AF Juvat
Old 12-06-2003, 09:31 PM
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So you do not have two speeds. All the way up should be the fast speed. Just below that the slow speed then below that OFF. Pulling the arm down from the OFF possition should be intermintent.

I would suspect the column switch/arm as this is what selects the speeds. Then I've had problems with the dang relay also.

Another point of resistence is the piviots for the wiper arms. A good soaking with your favorite lube spray will help. If not they need to be taken apart and cleaned.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 12-06-2003, 09:43 PM
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Quote:
Originally posted by SoCal Driver

Another point of resistence is the piviots for the wiper arms. A good soaking with your favorite lube spray will help. If not they need to be taken apart and cleaned.
I think that may be the key to it.
I have no idea how long they were sitting there unused and inoperative. Maybe some tri-flow or WD-40 may be the trick.
I will try tomorrow.
If they are binding up, I am risking burning out the new motor.



Thanks again.

Don
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944 85.0 Kalahari Beige -- Dead/Gone/NotForgotten (Ran Like a Raped Banshee) 944 85.5 Guards Red
Current Stable 944 83 Kalahari Beige manual rack, short 5th gear951 86 Guards Red, pristine TurboYou must not anger the Porsche Gods - you MUST leave one small item unrepaired, lest the Stuttgartians smite thine car with bad Ju-Ju-AF Juvat
Old 12-06-2003, 10:27 PM
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Easy to remove the entire assembly compared to a later model.

Don't crack the windshield.

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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 12-06-2003, 10:30 PM
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