Quote:
Originally Posted by i-osprey
I will say that I also think that I have been smelling coolant lately from within the cabin.
My windshield will also be fogged up from the inside occasionally at startup but I don't know if this has more to do with cooler weather or not.
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Leaky heater core. I have been putting this off for a while now. Sun valley MB recyclers will pull a good used one, charged me $50 I believe, beats $300 new.
Step 1:remove steering wheel, dash & climate control
Step 2: Remove heater core.
Step 3: Installation is the reverse of removal.
Alternative: Flush & dry cooling system, replace PEG/H20 coolant w/ Propylene glycol, no water. Drill hole in pressure cap. Running the coolant loop at ambient pressure will minimize the leakage rate, Propylene Glycol boils at 1 atm, ~375F, specific heat is a little lower than water. May run a little warmer than w/ PEG/H20.
Cost about $30 / gallon for the coolant, I think.