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951 trouble. Please HELP!!!
Hi, I just did a clutch job on a 1987 951 I bought two weeks ago. This is my third turbo and the third time I've done a clutch in one. Last night I finished the job and everything seemed fine until I went to start it. It turned over slowly like the battery was weak and then stopped completely. I put it on the booster, tried again and the same thing happened also a buddy noticed smoke coming from the right rear brake wires which was weird considering I didn't touch them system at all. It's obviously something electrical, not the battery but what?
Also the vacuum line that comes off the top off the waste gate came off at the top end and I cannot figure out where it came from, it's probably right in front of me but I can't find it. Lastly the small flywheel sensor that's all the way to the driver side of the car was disconnected and I can't find where it should plug into. The car ran fine with exception of the slipping clutch before I did the work. I had great luck an very few problems with my last two 951's but this one seems cursed, any help would be greatly appreciated!!! Thanks! -Bart 
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05-24-2010, 09:38 AM
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Join Date: Jul 2004
Location: Upstate New York
Posts: 3,279
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Right rear? Fuel pump is back there.l
Hose off top of wastegate goes to cycling valve. Two flywheel sensors connect to engine harness. Third sensor doesn't connect to anything (used for diagnostic purposes in the 80s, not anymore.)
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Good luck, George Beuselinck |
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05-24-2010, 09:46 AM
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Join Date: Jan 2007
Posts: 2,370
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Pull your starter and take it to an auto parts store and have them bench test it to see if it is any good. Stranger things have happened. Can't help you with the smoke though.
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05-24-2010, 04:59 PM
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All Spooled Up
Join Date: May 2009
Location: Between NE and Central PA
Posts: 2,516
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Quote:
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>gray 89 951S - K27/8, MAF, 3" intake, 3" exhaust w/separate waste pipe, 55# inj, late cam; >red 87 924S - chip, K&N, punched-out cat&muffler >black 80 924 - (sold) >maroon 77 924 - auto (sold) |
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05-24-2010, 06:09 PM
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Registered
Join Date: Jan 2005
Location: In a dumpster behind Albertson's in Los Angeles County
Posts: 2,132
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Would that be the brake pad sensor wires?
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1989 944 NA Glacier Blue - SOLD IT 1989 944 S2 Alpine White T-Boned (totaled) by a lady dressed in a CLOWN costume (RIP  ) Apr 89 - Mar 081988 944 Turbo S Silver Rose Metallic, K27/6, Vitesse MAF, Tial 38mm DP WG Semper Fi |
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05-24-2010, 06:10 PM
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got photos?
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'89 turbo-s (2.7, wolf3d ems, garrett dbb turbo, tial 46mm, etc. fast!) |
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05-26-2010, 02:36 PM
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After replacing my engine I had a similiar problem. Not the smoking part but the starter would just barely turn the engine even with a full charge.
I removed and cleaned both ground conections (real pain) at bell housing and rear of block. My problem solved, I would try it. Electricity is a funny thing, you my be getting grounding through some other circuit causing the smoking. The other circuit being small gauge wire. |
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05-26-2010, 05:25 PM
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Thanks for the help, it ended up being a bad ground. The runs great now!
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05-27-2010, 08:51 AM
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1988 Porsche 944 Turbo S Limited Edition
