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Registered
Join Date: Jun 2007
Location: San Angelo, Texas
Posts: 412
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Temp sensor Location and P/N 86
I think I am going to the right direction. My cooling problem, I have noticed that the fans have not been on and it runs a little rough, and pain to start sometimes when cold or hot. Looking at Clarks look like more than likely it will be the DME Temp sensor. I can not find my Hanes book, and I can not find the actual location of the part on the sites. Then I have looked on here for the part, and I see the 85 and Pre 944s then the 87 and after. So here are my questions:
1. Where exactly is the DME temp loacted? 2. What P/N should I order, the 85 or the 87? What O-Ring? Thanks Mike
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I Love the Smell of Jet Fuel in the Morning! 86 Silver Porsche 944 N/A - Alpine CDA-9857 KYB Front, Weltmeister 250lb springs, MSD Master Blaster Coil, K&N Cone Filter, Blue LED Dash, Clock and Defrost Upgrade http://www.c28.com/?adid=st&iid=25349 |
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12-14-2007, 07:27 PM
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Trying to work for parts!
Join Date: Oct 2006
Location: MO
Posts: 1,760
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Mike - Check the PM I sent you. It had the part you need in it.
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86 Metallic Grey 85.5 Metallic graphite - Gone |
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12-14-2007, 07:28 PM
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Used & Abused
Join Date: Feb 2004
Location: Sebring, FL
Posts: 924
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On another note, the fans are temp controlled by a separate sensor switch located on the radiator below the coolant return line.
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83 - 944, daily driver 62 - VW Karmann Ghia, never moving restoration "Oh Bother," said Pooh, as he chambered another round. |
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12-15-2007, 04:39 PM
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That Guy
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The DME temp sensor does not control the radiator fans at all. On a cold engine, the DME will run in open loop mode. As it warms up, the DME temp sensor sends its signal to the DME telling it to switch to closed loop.
Anyhow the sensor is located to the top right of this picture, blue connector.  As mentioned above, if your fans arent turning on you need to check the fan switch, then the fan relay.
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Jon 1988 Granite Green 911 3.4L 2005 Arctic Silver 996 GT3 Past worth mentioning - 1987 924S, 1987 944, 1988 944T with 5.7L LS1 |
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12-15-2007, 06:31 PM
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Registered
Join Date: Jun 2007
Location: San Angelo, Texas
Posts: 412
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Well I ordered the Fan temp sensor today, so hopefully I will get it early tuesday. I will change that and that should fix the fan issue. I am hoping my changing the DME Temp control sensor, will fix my ongoing problem of a rough idle at start, hard start at cold and warm. Hopefully that is the problem, all the trouble shooting I have done has come to have that temp sensor in there. Thanks Mike
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I Love the Smell of Jet Fuel in the Morning! 86 Silver Porsche 944 N/A - Alpine CDA-9857 KYB Front, Weltmeister 250lb springs, MSD Master Blaster Coil, K&N Cone Filter, Blue LED Dash, Clock and Defrost Upgrade http://www.c28.com/?adid=st&iid=25349 |
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12-15-2007, 06:55 PM
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Just thinking out loud
Join Date: Nov 2001
Location: Close by
Posts: 6,884
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I didn't post this idea in your other thread, so here it is. If it's getting hot and your fans aren't turning on, turn the a/c on, they should run at full speed then.
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83 944 91 FJ80 84 Ram Charger (now gone) |
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12-15-2007, 07:06 PM
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Redline Racer
Join Date: Jan 2007
Posts: 2,444
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I've also found from experience that if the cooling system isn't bled correctly, the fans will not function properly. Since the switch is near the top of the rad and if there is too much air cycling, it won't heat the thermoswitch enough to click the fans on at the right time, or it will behave intemittently.
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1987 silver 924S made it to 225k mi! Sent to the big garage in the sky Last edited by HondaDustR; 12-15-2007 at 09:22 PM.. |
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12-15-2007, 09:18 PM
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