Tempermental fan

4.2 V8 32v Naturally Aspirated - 414 bhp
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Lenine666
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Joined: Tue Sep 24, 2013 9:43 pm
Location: Norwich

Tempermental fan

Post by Lenine666 » Tue Nov 28, 2017 7:21 pm

This is stating to drive me nuts... 5-10 mins after stopping the engine, the fan kick starts full blast... put the key in the ignition, it stops. Walk away another 5-10 mins, it starts again. Any ideas? Worst case scenario, I don't mind disconnecting it for the night. If anyone could tell me where the connector is and if it is easy access. Cheers chaps (and chapettes).
Mugello Blue 06 Plate, MRC stage 2 map, stage 2 manifold, pre-cat delete, CAF

Lukes3
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Re: Tempermental fan

Post by Lukes3 » Tue Nov 28, 2017 9:21 pm

I Would say water temp sensor on the engine, think its at the back.
Current-saloon rs4,Full decat Xpipe miltek,cold air feed,BMC air filter, TTS supercharged, MRC stage 3 L/C F/S,hell s+s brake lines,AP racing rotors + vagbremtechnic bells, kw v3s clifford 650mk2

Gone-audi s3 8p stage2+ with loba lo400 turbo.

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TAB1S
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Re: Tempermental fan

Post by TAB1S » Wed Nov 29, 2017 9:16 pm

I had similar issues with fans it was water in the ecu box under the scuttle panel, it had destroyed a few relays but nice & cheap to replace & haven’t had any issues since.
RS4 B7
MRC stage2 436ps-487nm
Revolution intake, custom CAF, carbon clean, deflaped manifold, JHM manifold spacers, Forge oil cooler, Forge spacers, full de-cat, Scorpion cat back, Trup's LED's, 20' S5 wheels, KW V3's.
Launch control & flat shift :mrgreen:

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Lenine666
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Re: Tempermental fan

Post by Lenine666 » Thu Nov 30, 2017 11:11 am

Thanks chaps. I'll look into what you've suggested.
Mugello Blue 06 Plate, MRC stage 2 map, stage 2 manifold, pre-cat delete, CAF

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