1991 400 SE blower fan not working- please help!
07-08-2013, 12:51 PM
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400 SE
1991 400 SE blower fan not working- please help!
Hi, can anyone please help with this one, please :-)
Mercedes '91 400SE, fan stopped working- checked fuses, all ok, purchased fan blower resistor regulator- when replaced fan works at full speed constantly even when ignition is off, and the only way to turn it off is to disconnect the battery. I'm totally confused now, I was hoping that replacing regulator will solve the problem, I've read that thermal paste should be used? is that true? What else should I try? any advice would be much appreciated.
Iwona
Mercedes '91 400SE, fan stopped working- checked fuses, all ok, purchased fan blower resistor regulator- when replaced fan works at full speed constantly even when ignition is off, and the only way to turn it off is to disconnect the battery. I'm totally confused now, I was hoping that replacing regulator will solve the problem, I've read that thermal paste should be used? is that true? What else should I try? any advice would be much appreciated.
Iwona
07-16-2013, 01:08 PM
#2
Out Of Control!!
You did not properly install the preresistor?
Find WIS doc AR8330P5370D and follow the lengthly instructions regarding resistance of coolant sensor---bla bla
Find WIS doc AR8330P5370D and follow the lengthly instructions regarding resistance of coolant sensor---bla bla
