aux fan wont automatically turn on - PeachParts Mercedes-Benz Forum

edwierdo · #1 09-06-2016, 03:25 PM

So my 190e 2.6 has been close to overheating in stop and go traffic. I noticed that the fans dont come on when they are suppose to When the car gets to about 102 or 120. I tested the fan by shorting the two pronged blue aux fan switch. i hear the relay click and the fan works fine. But it wont do it automatically. Help. Im new to this forum business.

Dmitry at Pelican Parts · #2 09-06-2016, 07:32 PM

Hi edwierdo, First off, welcome to the Peach Parts forum. I've attached a link to our Technical articles for the 190e. Articles are available on just about every repair/part for the car and is very easy to follow if you're into DIY. If you have any additional question in regards to a fix, feel free to Comment just below the article and some one will get back to you shortly. Good luck!

Mercedes 190e Tech Articles - Mercedes-Benz 190 W201 (1984-1993) Technical Articles - Pelican Parts

-Dmitry

slk230red · #3 09-07-2016, 01:32 PM

Quote:

Originally Posted by edwierdo

So my 190e 2.6 has been close to overheating in stop and go traffic. I noticed that the fans dont come on when they are suppose to When the car gets to about 102 or 120. I tested the fan by shorting the two pronged blue aux fan switch. i hear the relay click and the fan works fine. But it wont do it automatically. Help. Im new to this forum business.

Sounds like the temperature switch isn't closing at the correct temperature. I would replace it.

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