Date registered: Feb 2007
Vehicle: 94 E320
Location: Balto., MD and K of P, PA
Mentioned: 1 Post(s)
Quoted: 1 Post(s)
O.K. - to get back to your overheating issue. Is your electric fan working? As far as the windshield washer fluid issue, most time people just by-pass the coil that goes to the windsheild washer fluid when it goes bad. I believe the problem with the coil in the washer fluid is more of a result of overheating and not the reason, but I could be wrong. The by-pass should eliminate that concern for you to let you look for what could be causing the over-heating. Also, is the thermostat O.K.? They are easy to check - remove it and but in a pot of boiling water and it should open fully. Last item I can think of is the viscous mechanical fan, however if that isn't working right, you should still have enough cooling with the electric fan (unless you are running A/C in a very hot climate). I know on my M104 if I pull the two wire connector on the thermostat housing my electric fans (M104 has 2) turn-on, but I'm not sure that true for your model. There is also a couple of relays that control the fans that have fuses that may be suspect if your fan isn't working. Good Luck!