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MarkGolf
Montreal


Joined: 13 Nov 2012
Posts: 538
Location: S.London


PostPosted: Wed Aug 15, 2018 8:54 am    Post subject: Oil cooler fan Reply with quote

Hi all,

When should my oil cooler fan kick in?

It struck me this morning that I have never heard a fan noise from the front of the car, so I am going to assume I don't get hot enough or it's dead.

Short of pulling the arch liner off and stick 12v to the motor, I was hoping someone can let me know when it should turn on.

Also, a few months ago, I saw a 964 for sale which said it had an LED indicator which would light up when the fan came on, is this something someone sells?
Although I'm sure that's easy enough to DIY.

Cheers!
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ras62
Montreal


Joined: 20 Jan 2012
Posts: 620
Location: Cheshire


PostPosted: Wed Aug 15, 2018 9:05 am    Post subject: Reply with quote

https://p-car.com/diy/fan/

Quick check is to jumper contacts at the relay to see if the low/high speed works. If low speed doesn't work it is usually the balast resistor gone bad. In my case it was a fault with the CCU. I installed a manual bypass which keeps the temps down earlier than it would normally.
 
  
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snb993
Spa-Francorchamps


Joined: 11 Mar 2010
Posts: 314



PostPosted: Wed Aug 15, 2018 9:39 am    Post subject: Reply with quote

Hi
Ours cuts in quite regularly in traffic during this warm weather - now that I've changed the ballast resistor Very Happy I also changed the relay too when I changed all of them 2 years ago figuring that I didn't know how old they were and better to be safe than sorry

Standing by the front wing, the fan is pretty quiet but pushes a huge amount of hot air through the rad when it is on so there is no mistake when it's working - plus of course the temp guage quickly drops

Ours cuts in just over the 9 o'clock position

HTH



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996T - Cobalt blue, K24's, GT2 I/C's, Techart SSK, Manthey KWv3, H&R ARB's, RS engine mounts, Europipe, GT3RS 6 pots, 997T discs/RS29's all round etc
964 C4 - GP white, 993 C4 gearbox/front diff, Wayne remap, Bilstein B6's / H&R springs, polybushed, Cup 1's, RS SSK, gutted cat etc
993C4 - sold
928S4 - sold
 
  
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MarkGolf
Montreal


Joined: 13 Nov 2012
Posts: 538
Location: S.London


PostPosted: Wed Aug 15, 2018 10:15 am    Post subject: Reply with quote

Cheers guys!!

That's everything I need to know Smile

I'll have a poke around and see what it's up to.
_________________
Current fleet
My 964
My 997
2003 Boxster 2.7
1994 Eunos Roadster S Special Turbo 270bhp!
1991 Mercedes 500SL
1979 Mercedes 280e
1995 VW Golf VR6 3.0
 
  
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treefrog99
Newbie


Joined: 19 Apr 2013
Posts: 33
Location: Derbyshire


PostPosted: Wed Aug 15, 2018 10:24 am    Post subject: Reply with quote

Had my car MOT'ed yesterday got it good and warm on the way. Whilst it was ticking over waiting for the emessions test the fan was cycling on and off. As stated earlier my kicks in when the oil temp is at 9:00 oclock. During normal running I have never had it kick in but it's very quite so probaly wouldn't hear it.
Trev
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Failure is simply the opportunity to begin again, this time more intelligently.
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MarkGolf
Montreal


Joined: 13 Nov 2012
Posts: 538
Location: S.London


PostPosted: Sun Aug 19, 2018 8:15 pm    Post subject: Reply with quote

Tested it and all working OK!

Jumped pins and then I let the car idle and the fan came on at temp

Phew!
_________________
Current fleet
My 964
My 997
2003 Boxster 2.7
1994 Eunos Roadster S Special Turbo 270bhp!
1991 Mercedes 500SL
1979 Mercedes 280e
1995 VW Golf VR6 3.0
 
  
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