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Author Topic: GTI 16v fan not coming on?  (Read 3862 times)

Offline Djmac

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Re: GTI 16v fan not coming on?
« Reply #10 on: 19 February 2013, 11:23 »
Ive solved the starting issue, turned out it was my coil lol! Must have been on the blink then finally went! Hopefully solve the bogging issue i had at 3k! I got told by a mechanic that it could be as simple as the sensor in the rad thats causing the fan not too come on? Anyone had this issue? Could it be a thermostat issue? Is it easy to change a thermostat on the 16v? Thanks for the feedback, much apreciated! Dan
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Gavv8

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Re: GTI 16v fan not coming on?
« Reply #11 on: 19 February 2013, 11:40 »
Does the gauge sit in the middle once its warmed up properly?, if so your thermostat is fine and if you need to change it then its a bit fiddly but fairly straightforward.
It could be the fan temp sensor on the rad or even the fan motor itself.
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Offline Len

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Re: GTI 16v fan not coming on?
« Reply #12 on: 19 February 2013, 12:42 »
bogging issue at 3k could be ECU relay
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Offline Djmac

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Re: GTI 16v fan not coming on?
« Reply #13 on: 19 February 2013, 12:56 »
Im waiting for my new rad, sensor and fan to arrive! Im also waiting for my new coil as that is why it wouldnt start! One i have them put on ill run it out and see where the temp is staying aswell as seeing if the bogging issue is there! Thanks alot been a great help!
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Gavv8

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Re: GTI 16v fan not coming on?
« Reply #14 on: 19 February 2013, 13:10 »
I'd do the thermostat too while your doing the rad then you know its good and you won't have to drain the cooling system twice.
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Offline GOLF-MK3-GTI

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Re: GTI 16v fan not coming on?
« Reply #15 on: 19 February 2013, 13:43 »
There is a video on youtube, which shows how to check if fan is working.

Link: http://www.youtube.com/watch?v=JZCrTHcXo6Y
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Offline Djmac

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Re: GTI 16v fan not coming on?
« Reply #16 on: 19 February 2013, 14:21 »
Thanks for the video link, great help! Tested the fan like in the video and the 2 speeds work! Does this diagnose why the fan isnt coming on at temp? Thanks again
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Offline GOLF-MK3-GTI

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Re: GTI 16v fan not coming on?
« Reply #17 on: 19 February 2013, 14:57 »
Quote from: Djmac on 19 February 2013, 14:21
Thanks for the video link, great help! Tested the fan like in the video and the 2 speeds work! Does this diagnose why the fan isnt coming on at temp? Thanks again

I'm not sure on this one, but can it not be the temp sensor thats in the flange in front of engine.

wait for someone to confirm this, like i've said i ain't sure on this.   :lipsrsealed:

On second thoughts, I think your fan switch is faulty, Have you replaced this??
« Last Edit: 19 February 2013, 15:16 by GOLF-MK3-GTI »
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Offline Djmac

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Re: GTI 16v fan not coming on?
« Reply #18 on: 19 February 2013, 15:47 »
I haven't replaced anything yet? i've baught a radiator and fan combo, the rad comes with the sensor in, but im not sure of what switch you mean? Cheers
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Offline GOLF-MK3-GTI

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Re: GTI 16v fan not coming on?
« Reply #19 on: 19 February 2013, 15:57 »
I have my doubts on the fan control module, Its located under the coolant bottle.
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