Cooling Fan Relay

[Telf 224 2 Cars]

Hi all.

The cylindrical thing that's attached to the radiator which I think is the fan relay?!? Does anybody know where to get one from? I've searched online but I'm not sure if I'm wording it wrong as I can't seem to find any.

Thanks in advance

 

Paul

Edited June 20, 2017 by Telf

[Telf 224 2 Cars]

Asking as the stop light was on today in the heat. I found on investigation that the thermal switch in the radiator has corroded and the contacts have snapped off. Whilst carrying out the checks I pulled the plug off the cylinder relay?!? And found the contacts melted so I dunno if that's serviceable either! Bummer of a week -- mondeo has had a new gearbox fitted costing £800 and the GR this morning had 4 new tyres at £180 then decides to overheat! ARGHHHH!

Edited June 20, 2017 by Telf

[Telf 224 2 Cars]

I know the fan is OK as I shorted the contacts in the plug on the temp switch and it runs fine.

[welshpug 1,661]

cylinder is a resistor abnd should be clipped to the top of the rad with a metal clip.

 

cable tie will melt.

[Telf 224 2 Cars]

Ok my Haynes says it's a relay. There's even a picture of it saying remove it during radiator replacement. I can see that is likely a resistor though. So do peugeot still supply these as I can't find one on ebay

[Telf 224 2 Cars]

Ah so looking at the wiring diagram it's a resistor that allows for high or low speed fan operation depending on the thermal switch operation in the radiator. Makes sense. Never had this fault so new to me! I definately need a new one!

[jackherer 543]

In the short term just bridge the contacts going to it and the fan will run at high speed when the switch requests low speed and it wont overheat.

 

In the long term I probably have one.

I'm honestly not sure how you have a 205 GTI on 247k yet you have never had a problem with the fan resistor!

[Telf 224 2 Cars]

Thanks kieran. Whilst I could indeed bridge the resistor I also don't have a serviceable thermal switch! I've got a bit of wire to push in the switch plug if I get stuck in traffic! Funnily my GTI has never had a fan issue although during summer it always seems to be on full blast for 2 to 3 minutes when I park up... maybe that's a fault too

[jackherer 543]

You shouldn't really have the high speed fan on very often at all so it sounds like your GTI has had resistor issues!

[Leslie green 111]

Here's one although called a headlight resistor :

 

http://www.ebay.co.uk/itm/peugeot-205-1-6-1-9-gti-xs-mi16-all-205-headlight-dim-dip-resistor-/401323991304?fits=Model%3A205&hash=item5d70c62108:g:qqgAAOSwkZhWSOVC

Edited June 20, 2017 by Leslie green

[welshpug 1,661]

Here's one although called a headlight resistor :

 

http://www.ebay.co.uk/itm/peugeot-205-1-6-1-9-gti-xs-mi16-all-205-headlight-dim-dip-resistor-/401323991304?fits=Model%3A205&hash=item5d70c62108:g:qqgAAOSwkZhWSOVC

yep, thats for the dim dip system not the cooling fan.

[Telf 224 2 Cars]

So it seems they are no longer sold by peugeot unless I'm being blind on service box

[jackherer 543]

Part number 126712 isn't marked NFP and is priced £29.08

[Leslie green 111]

yep, thats for the dim dip system not the cooling fan.

Sorry my bad lives down on the front panel on passenger side on phase 2 cars though it was for the fan !

[welshpug 1,661]

its in the same place on all cars.

[farmer 328 1 Cars]

yeah, that parts ok, got one myself as handy spares

[Miles 331 1 Cars]

I just get rid of it all now and just go for on or off, makes it more reliable and less to go wrong, dead easy to re-rewire that way

[Telf 224 2 Cars]

Cheers all,

Miles you just have it on full speed then or manually switched?

[jackherer 543]

I've been ditching the resistor for years but some people complain that it's a bit loud. However you know it's on when you hear it and if it stops working you miss the noise.

 

Manually switched is a bad idea, you only have to forget once and it's head gasket time. A manual override as well as the thermoswitch is no bad thing though, just don't rely on it.

[Miles 331 1 Cars]

I never use a switch on my own car, I do wire some in for customers but I rarely use my 205 these days so keeping a eye on the Gauges is not a issue for me

[Mikey S 29 1 Cars]

I've got a relay and a complete wiring loom from an auto if your interested........

 

Mike

[Telf 224 2 Cars]

thanks mike but atm I cant afford to spend much as my 3 cars have skinted me!

 

I think its just a new temp switch for now and take the resistor out of circuit

 

The cars only a daily runner so budgets are tight!

[DamirGTI 342]

As said , just bridge the resistor connector and remove resistor .. the fan will kick in and will spin on high every time .. little bit noisy if you dont mind , but it cools the engine faster ..

 

Removed mine years ago and i don't miss having it !

 

D

[ALEX 98 1 Cars]

Is there a more modern solution to the resistor .. i.e. how do modern cars adjust the speed of the radiator fan?

I was going to look into for mine when I needed one for my Cti project. But I ended up getting a new resistor quite easily from Peugeot for about £18 IIRC.

[jackherer 543]

I never use a switch on my own car, I do wire some in for customers but I rarely use my 205 these days so keeping a eye on the Gauges is not a issue for me

That's fine as long as nobody else ever drives it and you trust your MOT tester, for most people that is a disaster waiting to happen.