My Wipers Have a Mind of their own

[Guest]

Help!
My wipers (924S) have decided that they know better than I as to whether the screen needs wiping! As a consequence I have removed the relay and now operate the system without the option of autopark and intermittent wipe. I asked a specialist about this and they said that it was due to the steering column switch and they were unwilling to change it for a Porsche part as they felt that the quality of this part sourced from Brazil, was not as good as it should be.

Anyone share this fault? Any solutions?

Thanks

 

[tim court]

Having a mind of their own??? used to have a wife like that.....

The best thing to do is get rid of her, sorry, meant the car, before she starts spending all your money and arguing with you. Soon she will not let you out and nag at you at every opportunity.

My old 944 S2 had a couple of glitches like that one winter and the problem was definitely in the column switch. After jiggling the stalk a bit the problem went away. seems like a bad or dirty contact which is fairly common on a lot of oldish car electrical contacts..... Try squirting a jet of good old WD40 in there before you start spending lots of cash.

If that doesn't work go see another specialist for a second opinion.

 

[geoff Ives]

Try squirting a jet of good old WD40 in there before you start spending lots of cash.

Electrical contact cleaner spray might be a better idea.

Those switches are 'orrible. Our 924 windsreen washers only work on 'fast wipe' and the intermitant wipe is a lottery.

 

[Guest]

I understand what you mean about the washer. I've had two new pumps due to MOT failure because the tester didn't understand the idiosyncracies of the car!

 

[Guest]

I'll give her a squirt (the car of course). I'm reluctant to get rid of her (the car)because where else could I get the performance and the panache at the same price?

 

[Guest]

Hi

I've seen something about this at in the following forum

http://forums.pelicanparts.com/forumdisplay.php?s=&forumid=10

I can't remeber whether this was the main topic or just an aside in another thread.

I've read through the whole thing yesterday so it shouldnt take too long..

 

[geoff Ives]

I understand what you mean about the washer. I've had two new pumps due to MOT failure because the tester didn't understand the idiosyncracies of the car!

I fitted an 911 pump. Reccomended by Bert Gear now I just have hope that the pressure dosen't break the windscreen

 

[PaulHere]

My wipers also misbehave slightly averynow and then - I hear 'ticks' from the relay and the blades slowly creep up the screen very slowly. Luckily turning the wipers on and off a few times cures it.

 

[937carrera]

It's likely to be poor contacts. I have fixed these types of issues by removing the switch and dismantling / cleaning it

 

[924nutter]

1.)It is possible for the wash contact to make when the lever is pulled downwards for a intermittent wipe due, it seems, to the design of the switch. One day, when I'm not on the forum, fitting new suspension on my 928, or polishing my other 924 turbos, I might put a blob of Araldite inside the switch to act as a better stop for the lever.
2.) As the wash/wipe and intermittent use the self parking contacts in the wiper motor it follows that the fault could be wear in the mechanism that opens the contacts in the wiper motor. I wonder if sometimes the build up of muck and crud plus a reduced gap between the contacts let the circuit be completed, allowing the motor to run, and providing a feedback loop for the washer pump to operate. I say this because I put another loom in my 924 lux (pre ebay special) from a 924 that was just plain worn out at 250,000 miles, and for a while I had no problem even though I was plagued by it with same the loom in the original car. There were no bad earths, there was no corrosion, no chafed wires, and yet now, 12 months later, every now and then the wipers operate in intermittent.