508 cooling fan only runs on slow speed

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Akos
Posts: 5
Joined: 21 Aug 2023, 09:40

508 cooling fan only runs on slow speed

Unread post by Akos »

Hi all!

I have a 508 2012 2.0 hdi.
When AC is on, the cooling fan only runs on slow speed. So when car is stationary and there is no wind, the AC is not cold enough. Gas is filled, not leaking, changed the relay, changed the cooling fan, still goes on slow speed, when it should be using second/fast speed. Did anyone have the same problem?
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mickthemaverick
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Posts: 20159
Joined: 11 May 2019, 17:56
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Re: 508 cooling fan only runs on slow speed

Unread post by mickthemaverick »

It is probably the fan resistor which was the usual cause of fans only working on one speed, it looks like this:

https://www.ebay.co.uk/itm/254192812045 ... ntid=87779

There are a fair number of videos about it on Youtube. :)
I used to be indecisive, now I'm not so sure!
I used to ride on two wheels, but now I need all four!
Akos
Posts: 5
Joined: 21 Aug 2023, 09:40

Re: 508 cooling fan only runs on slow speed

Unread post by Akos »

It's also called the relay. I have changed that with original part. Thanks anyway!