Fans not always working

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Daniel2019
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Fans not always working

Post by Daniel2019 »

Have diagnosed problem on Smurfy overheating.

Fans don't kick in 100% of the time which is making it overheat. Sometimes they work, sometimes they dont.

I have replaced the coolant temp sensor and reset the ECU (just because) so what else could be causing it?
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Sahin
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Re: Fans not always working

Post by Sahin »

Wheel nuts on tight?
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Re: Fans not always working

Post by Daniel2019 »

Sahin wrote:Wheel nuts on tight?
f**k why didn't I think of that!
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FTOwnage
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Re: Fans not always working

Post by FTOwnage »

Nothing to do with the thermostat at all?
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Re: Fans not always working

Post by Vectose »

FTOwnage wrote:Nothing to do with the thermostat at all?
:lol:
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Re: Fans not always working

Post by Daniel2019 »

Sorry, forgot to mention...

Thermostat is new, have new Samco radiator (and power steering) hoses and I believe the radiator has been checked for blockages as well.

Coolant was recently replaced with Nulon post-mix.
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Re: Fans not always working

Post by FTOwnage »

Vectose wrote:
FTOwnage wrote:Nothing to do with the thermostat at all?
:lol:
Shhh you, I was just trying to help :(


I've had a few coolant related issues as of late (among other problems), courtesy of a certain ninja.
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Re: Fans not always working

Post by Daniel2019 »

FTOwnage wrote:
Vectose wrote:
FTOwnage wrote:Nothing to do with the thermostat at all?
:lol:
Shhh you, I was just trying to help :(


I've had a few coolant related issues as of late (among other problems), courtesy of a certain ninja.
Yeah look to be completely honest it was kinda fishy how he had it for sale right after he bought it...
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Re: Fans not always working

Post by FTOwnage »

I'll list my journey in a build thread one day lol...
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Re: Fans not always working

Post by Technikhaus »

TPS, I really think it's the TPS.... :troll:
FTOwnage wrote:I'll list my journey in a build thread one day lol...
Hurry up then!
I always need more build threads to read! :lol:
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Re: Fans not always working

Post by FTOwnage »

Technikhaus wrote:Hurry up then!
I always need more build threads to read! :lol:
One might even call it a saga.
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Re: Fans not always working

Post by PHIL069 »

Might be your fan relay in the engine bay fuse box.
Try swapping #13 Radiator fan relay with #10 electric window relay just to test. Both these relays are the same.
If it fixes your problem then just leave the window one empty until you replace it.
Attachments
fuse14mr.jpg
fuse14mr.jpg (67.9 KiB) Viewed 370 times
mikeey01nzl wrote:Hats off to you too Phil for spending so much time on the phone trying to help someone out, your a top man and only a few would've spent so much time. well done! :salut:
Daniel2019 wrote:Come on phil, we bonded at the bonfire, lets be honest here...me and phil are besties now... :lol:
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Re: Fans not always working

Post by Daniel2019 »

Funnily enough I actually pulled the fuse out and cleaned it up a bit. Didn't think to swap them though. Good thinking bestie, will try that tomorrow afternoon.
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Re: Fans not always working

Post by PHIL069 »

Keep me posted on the outcome as we can do moar electrical testing if it does'nt fix it :D
mikeey01nzl wrote:Hats off to you too Phil for spending so much time on the phone trying to help someone out, your a top man and only a few would've spent so much time. well done! :salut:
Daniel2019 wrote:Come on phil, we bonded at the bonfire, lets be honest here...me and phil are besties now... :lol:
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Re: Fans not always working

Post by Daniel2019 »

PHIL069 wrote:Keep me posted on the outcome as we can do moar electrical testing if it does'nt fix it :D
Will do :thumleft:

Cheers bestie!
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Re: Fans not always working

Post by PHIL069 »

Sorry wrong pic, you need to swap this one over with maybe a spare one from your spare car...
Relay Radiator Fan.jpg
Relay Radiator Fan.jpg (133.07 KiB) Viewed 359 times
Now all the "brown" relays are the same in that row but I'm unsure what the rest are so better off getting another to test with.

You can still swap the fuses as stated before too.
mikeey01nzl wrote:Hats off to you too Phil for spending so much time on the phone trying to help someone out, your a top man and only a few would've spent so much time. well done! :salut:
Daniel2019 wrote:Come on phil, we bonded at the bonfire, lets be honest here...me and phil are besties now... :lol:
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Re: Fans not always working

Post by Daniel2019 »

Wait what's that second one inside the arrows for?
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Re: Fans not always working

Post by PHIL069 »

Daniel2019 wrote:Wait what's that second one inside the arrows for?
I have made up a pic naming all the engine bay relays.
I would swap the radiator fan relay with the horn relay and test your fans.
Forget all that I previously said :lol:
Attachments
Relays.jpg
mikeey01nzl wrote:Hats off to you too Phil for spending so much time on the phone trying to help someone out, your a top man and only a few would've spent so much time. well done! :salut:
Daniel2019 wrote:Come on phil, we bonded at the bonfire, lets be honest here...me and phil are besties now... :lol:
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Re: Fans not always working

Post by Daniel2019 »

So swap the top two?

Good thinking!
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Re: Fans not always working

Post by Daniel2019 »

Changed relays, still not working. Next idea!
Anyone?

:lol:
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