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Cooling Fan Constant Run - 86.5

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Old 12-30-2017, 10:25 PM
  #16  
Crumpler
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Bertrand, I'm jelly over that new -looking diagnostic port cover!
How did you find such a good example?
I've been looking for years for a NOS unit, even lurked on some of the 944 sites, but never came across one.


Mr. Toft, good to see you back in the game -- I trust the move went well...
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Old 12-30-2017, 11:52 PM
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Originally Posted by Ducman82 View Post
the fans will run off the intake air temp sensor, or if an auto, the trans temp sensor. if either one is "on" , the fans stay on.
No trans temp sensor on pre S4.
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Old 12-30-2017, 11:53 PM
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Originally Posted by Landseer
No trans temp sensor on pre S4.
Figured. :-) So just the one! Lol
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Old 12-30-2017, 11:54 PM
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I still love your avatar
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Old 12-31-2017, 01:20 AM
  #20  
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Originally Posted by Landseer
I still love your avatar
I tried to change it once..... the public outrage was outstanding. Demonstrations and hate mail! So back it came... lol
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Old 12-31-2017, 03:38 AM
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Don't ever change it. Or the hate mail will continue. At least from me.
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Old 12-31-2017, 10:03 AM
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Can this switch also be used to run an electric fan conversion, not just the aux fan, after engine shutdown?
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Old 12-31-2017, 10:11 AM
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Might be doable.

Its pretty rare that this particular switch triggers the cool down fans, in my experience, here just cruising around in the cars in normal mid-Atlantic climate. Here, my 84's and 86's never run more than a shade above 1st white line on temp gauge.

I had an 85 car with some partially blocked injectors that caused it to run significantly on the hot side. The switch would trigger the fan on that car after shutdown pretty frequently. The temp gage was always above mid level, often higher. Eventually, after suffering for a year with the odd behavior I changed the injectors and it never again ran above the 1st white line.

Last edited by Landseer; 12-31-2017 at 05:38 PM.
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Old 12-31-2017, 11:01 AM
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Originally Posted by Landseer View Post
I still love your avatar
+1.
Originally Posted by Crumpler View Post
Bertrand, I'm jelly over that new -looking diagnostic port cover!
How did you find such a good example?
I've been looking for years for a NOS unit, even lurked on some of the 944 sites, but never came across one.


Mr. Toft, good to see you back in the game -- I trust the move went well...
Dave, sorry but what part you're talking about?
Diagnostic port cover? Where is it in the pic?
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Old 12-31-2017, 01:48 PM
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Originally Posted by Bertrand Daoust View Post
+1.


Dave, sorry but what part you're talking about?
Diagnostic port cover? Where is it in the pic?
Whoops, sorry Bertrand, as I go back in the thread further I see the original pic of the S3 engine bay was posted by Ramp

It's what I have always called (probably wrongly) the cover that goes over the plug that is used to jump the idle control on the S3.
AFAIK, its unobtainable. I believe it was also used on the 944 at one point.
I ended up fabricating a stand in until I could find a suitable replacement...
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Old 12-31-2017, 02:52 PM
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Old 01-09-2018, 05:56 PM
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Originally Posted by Landseer View Post
I still love your avatar
Holy crap that's my wife!
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Old 01-11-2018, 05:25 PM
  #28  
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Trying to find my way through the manual - where would I find the correct torque for the switch ?

Originally Posted by Bertrand Daoust View Post
Looks like it.


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Old 01-11-2018, 10:49 PM
  #29  
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I can't find it for the temperature switch but found 9 Ft lbs for the Temp II sensor.
If I remember well, they are both the same (thread) size.

https://rennlist.com/forums/attachme...alues-copy.pdf

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Old 01-12-2018, 07:34 AM
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Thanks. Where is the chart from ? Is it in the Factory Shop Manuals ansd I'm just missing it ?
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