air flow direction on aux fans
 

I have searched the forums and havent seen this one....
1992 300D newer radiator and aux fans + thermostat...temps are running above 100c. Aux fans are running but if I hold my hand in front of aux fan it feels like air is being pushed out and not back thru radiator....Is this normal?

I found the same thing occurring on my 87 300D back when I bought it several years ago. Obviously the air flow should be pulling cool air into the grill, not from the other direction! I found that the two prong plug for the aux fan was simply installed backward! I simply unplugged it and turned the plug 180 degrees so the prongs reversed and reinserted. Now the fan turns in the right direction pulling air into the radiator from outside.

are you talking about the plugs for each fan (I have two)
That was ajob removing those fans the first time...


Thanks

My 87 300D is only furnished with one auxiliary fan!

thanks for the suggestion I will ck it out soon....