Mk3 rad fan running randomly

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Lukehr
Caddy2k Groupie
Posts: 5
Joined: Thu Sep 10, 2020 11:44 am
Engine size/power: 1.6 CR TDI (102bhp)

Mk3 rad fan running randomly

Post by Lukehr » Mon May 03, 2021 3:32 pm

Hi all, after some advice if possible. The fans on my radiator occasionally randomly cut in regardless of engine temperature and sometimes over-run when the ignition is off. It's quite an intermittent problem and there doesn't seem to be any pattern to it, sometimes it won't happen for a few weeks. I'm guessing it could be faulty temperature sensors? Has anyone else experienced this and got it sorted?

Scoobysrt
Hyper Poster
Posts: 1049
Joined: Mon Oct 19, 2020 7:58 pm

Re: Mk3 rad fan running randomly

Post by Scoobysrt » Mon May 03, 2021 3:51 pm

I get it on my 2.0 mk4, I thought it was dpf regen.
2016 Starlight blue highline 2.0 tdi - stainless side bars - DubUnit remap 180/190 bhp ish - st x lowering kit - golf R cadiz 18" wheels - rear wiper delete - ProVan600 interior led light - red painted calipers - Kenwood headunit - sequential side repeaters - vcds hex net pro

kyle4826
Caddy2k Groupie
Posts: 41
Joined: Sat Mar 27, 2021 5:56 pm
Engine size/power: 1.6 CR TDI (102bhp)

Re: Mk3 rad fan running randomly

Post by kyle4826 » Mon May 03, 2021 4:07 pm

It's part of the regen phase it's completely normal

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