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#1
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300e Auxillary Fuse Melted
Hi all. I just had my engine replaced and the oil level sender light came on after drving a couple miles (will get my old one from the last engine tomorrow). I checked the level sender and wire to make sure it was tight. Then I checked my fuse box and noticed that my auxillary fans fuse was melted. I had another of the same and replaced it but my fans have not kicked on yet and the temperature hovers around and above the 100 degree mark and about 95-97 when driving. It use to be a couple clicks above the 80 mark and when it got hot and fans kicked on, you could see the temp gauge drop back down to around what I guess is 85-95 degrees. That hasn't happened yet. I'm going to go back to the shop but what should I have them look at or is there something I can check on my own? Could this issue have caused my last engine to overheat while climbing a grade out of nowhere? 1991 300e 3.0
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#2
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DC motors age & will consume more current than what they were designed to do!
Using an amp probe on the circuit should show just how much current the fans are drawing.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#3
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Right now, they aren't drawing any current as far as I can see because they won't turn on. The fuse/conector behind the headlamp seems to be in tact, the red fuse is still good, and the fans spin freely by hand. Any tips on how I can test these with a meter? Thanks!
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#4
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Good news. Aux fans are working now. Must have had a loose connection as they started working after I followed and pulled on some wires. Thanks!
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