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Thermo fans Always on Nl 5.0L 

 

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 Post subject: Thermo fans Always on Nl 5.0L
Posted: Mon Oct 06, 2008 12:24 pm 
Oompa Loompa
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Joined: 3rd Sep 2008

Ride: FBT

Location: C Coast
NSW, Australia

Hey can some one advise me on the thermo fans on the el series V8's
I have a Nl FBT V8 & when the car is started stone cold the themos are on high speed then they come back to a lower speed but car is still cold is this normal ?

 

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 Post subject: thermo fans
Posted: Thu Oct 09, 2008 12:19 am 
Stock as a Rock
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Joined: 22nd Jun 2008

Location: INGLEWOOD
QLD, Australia

Hi,
I'm no expert but i would check your relays,
maybe the contacts are getting stuck.
Try to get a loan of a couple of relays the same, and see if it does anything, if the fans go back to normal, buy some new relays.
Let me know how you go mate, hope this helps!
Cheers Jason. :)
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Posted: Thu Oct 09, 2008 7:05 am 
Getting Side Ways
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Ride: V8 Falcon, Nissan Patrol

Location: Brisbane, Bouncing off 5800RPM
QLD, Australia

Apart from dodgy relays
On ELs, when thermo fans turn on at start, the ECU thinks there is a problem. Could be that the temp sender on the engine and/or automatic is faulty. Could be a fault in the ignition system.
Try hooking up a mulitmeter to the test plug on your NL.
If that doesn't work, go to a workshop, when I got my EL pre-purchase inspection, their computer detected that my speed sensitive steering wasn't working and that my left thermo fan was faulty.
Also, the fans turn on whenever your climate control is on.

Keep us updated
FairmontXR6

 

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Posted: Thu Oct 09, 2008 10:33 am 
Getting Side Ways
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Location: Sydney Australia
NSW, Australia

I found that if your battery is low, the fans come on for now reason. My 5.0 does that when it has been sitting for a while( which it does a lot of lately).
Brett

 

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