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porschetub |
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Advanced Member ![]() ![]() ![]() ![]() Group: Members Posts: 4,816 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None ![]() |
Had one fail in my 914,there seems to be a common failure point around the top casing that fits to the main assembly,this design is the the same for early Golf,944,T 1 and T2 aircooled Audi and I would expect many other in "the family''.
The return spring mounts via a tab on the spring into a hole in the top assembly,repeated use causes the area to crack. ![]() The result is that the green plastic centre section loses tension and pops upward which in turn causes the metal wiper plate inside the switch to make a poor contact as it moves through its arc. ![]() The end result of this poor contact is complete or partial failure,the crack in the housing shown in picture 2 is from my early 944 switch this was enough to stop injector pulse due to insuffient power to my ECU. I pulled a known bad switch from another VW I had and found no crack in the housing but the contacts inside were all gummed up as the grease had gone bad and the contact pins were oxidized,cleaned it and it worked in the 944 till the correct replacement arrived. |
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rhodyguy |
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#2
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Chimp Sanctuary NW. Check it out. ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 22,240 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch ![]() |
Anyone with first hand experience on the German ones? $40 or whatever for a switch that won't leave you stranded at the worst possible time is cheap insurance.
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Porschef |
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#3
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How you doin' ![]() ![]() ![]() ![]() Group: Members Posts: 2,180 Joined: 7-September 10 From: LawnGuyland Member No.: 12,152 Region Association: North East States ![]() ![]() |
Anyone with first hand experience on the German ones? $40 or whatever for a switch that won't leave you stranded at the worst possible time is cheap insurance. Yes! I'm not sure if it's the same for earlier cars but the one I got from a Porsche dealer was about 35 bux IIRC No problems after 3 or so years, the cracked original required a lot of torque to get the starter to engage; it gave up pretty quickly at a gas station nearby. I used the opportunity to clean up the steering wheel lock, change the bearing, and some other things, while I was in there... ![]() Here you go |
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