Heater core leak on 1992 300e 124 - fixes??? Group: alt.auto.mercedes Date: Thu, Nov 13, 2003, 1:24am (EST+5) From: snipped-for-privacy@aol.com (CRGILL) I can smell antifreeze when the heater turns on first thing, & the water in the reservoir is going down, so it looks like a have a small leak in the heater core area. Any suggestions for a fix other than the proctology necessary to get in there & replace it? If that is the only option, any inputs on what to look for from anyone who's been there, done that? How long might that take a reasonably competent home mechanic? Thanks, Chris xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
if your windows are not fogging up when put on defrost your leak is not in the cabin but under the hood and your smelling it from the air intake below the windshield
a small pin hole in the heater core will make the inside look like a steam bath.
check your hose connections
case
the case, minus a few cans!