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#1605221 - 26/07/2017 17:47 1 Stage Cooling Fan Relais
re_book Offline
Newbie

Registered: 25/08/2013
Posts: 19
Loc: Germany, Berlin
Hi NG.

On my Coupé 16VT from 1994 sometimes the cooling fan dose not come in at 87°C. I guess the relais is worne out because it sometimes (when the fan comes in) makes a kind of noise.
I has to be located somwhere near the fusebox, below the stearing wheel where I can hear it.
Can you tell the exact position and can you help me to find correct spare part (might be something with 12v and 50a)

Thnks and best regards.

re-book

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#1605250 - 27/07/2017 07:11 Re: 1 Stage Cooling Fan Relais [Re: re_book]
rayzer82 Offline
On a journey

Registered: 21/01/2010
Posts: 169
Loc: basingstoke, england
I had this problem or similar with mine and it was actually the low speed switch on the fan itself. The plug on the back of the fan had melted and the plastic had gone brittle creating a bad connection so maybe check there first ...?

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#1605253 - 27/07/2017 08:10 Re: 1 Stage Cooling Fan Relais [Re: rayzer82]
re_book Offline
Newbie

Registered: 25/08/2013
Posts: 19
Loc: Germany, Berlin
Hi thanks for your fast response.
And you can heare it when the fan starts?
I can heare click-click-click-crack inside the car.
For me it sounds like a bad relais inside the car.

Best regards

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#1605284 - 27/07/2017 13:53 Re: 1 Stage Cooling Fan Relais [Re: re_book]
barnacle Offline
Club Member 18 - Membership Secretary
Forum Demigod

Registered: 17/12/2005
Posts: 31764
Loc: Hemel in the Hempstead
There are different systems depending whether you have aircon or not. There's a relay that switches across a dropper resistor to get the slow speed or high speed fan, and if you have aircon, other relays that can override this.

The main control is a three-terminal two stage thermal switch in the side of the radiator.

Probably best to check the manuals/diagrams: http://italiancarsclub.free.fr/Centre-Do...%20part%201.htm
_________________________

Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!

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#1605743 - 07/08/2017 21:34 Re: 1 Stage Cooling Fan Relais [Re: re_book]
re_book Offline
Newbie

Registered: 25/08/2013
Posts: 19
Loc: Germany, Berlin
Thank you barnacle.
So it seems to be more complex than I thought.
Yes it has a aircon.

We talk about this part to start analysis?
Pic
The plastic on the plugs is totally rotten, but I don't believe that it is short there.

My best.

re-book

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#1605748 - 07/08/2017 22:18 Re: 1 Stage Cooling Fan Relais [Re: re_book]
barnacle Offline
Club Member 18 - Membership Secretary
Forum Demigod

Registered: 17/12/2005
Posts: 31764
Loc: Hemel in the Hempstead
Worth checking the wires that go into that resistor. Beyond that, it's a question of chasing the wires...

Sadly it'll most likely be christmastime before I'm in Berlin next - granddaughter is coming from Berlin to the UK this week smile
_________________________

Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!

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#1608845 - 02/10/2017 20:59 Re: 1 Stage Cooling Fan Relais [Re: barnacle]
re_book Offline
Newbie

Registered: 25/08/2013
Posts: 19
Loc: Germany, Berlin
Originally Posted By barnacle

Sadly it'll most likely be christmastime before I'm in Berlin next - granddaughter is coming from Berlin to the UK this week smile

So if you are in Berlin, when ever, contact me. I would be glad to meet you! I'm nearly the last daily Coupe dirver in Berlin smile
Meanwhile I have got some more serios problems.
I had to go to the TÜV and Ups, my breaks are not working correct. It is 160 right to 200 left in front and 70r to 120 on the rear wheels.
I found that the brake force regulator for the rear wheels is rotten. I have to replace it. The part is still availble so.... The bigger problem is that the brake pipes are rotten too and I guess they have to bee made by hand. Do you have a hint for me, where I can get the four pipes form and too the regulator? Second question is, dose it make sense to you to replace the brake caliper too?

Thanks for your time and help.
Florian

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#1608896 - 03/10/2017 12:41 Re: 1 Stage Cooling Fan Relais [Re: re_book]
Dazvr6 Offline
Club member 1313
My job on the forum

Registered: 23/10/2013
Posts: 1250
Loc: Staffs
Regulator is available from here Florian:

Compensator valve

Any half decent garage should be able to make up the brake pipes fairly easily. thumb


Edited by Dazvr6 (03/10/2017 12:41)

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#1608932 - 03/10/2017 22:28 Re: 1 Stage Cooling Fan Relais [Re: re_book]
barnacle Offline
Club Member 18 - Membership Secretary
Forum Demigod

Registered: 17/12/2005
Posts: 31764
Loc: Hemel in the Hempstead
Calliper repair kits are available too, but most likely new pads and discs will get things working, once the proportioning valve and pipework is sorted.
_________________________

Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!

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