1996 BMW 740 anti freeze smell when heater is on

1996 BMW 740
15,700 MILES • V8 • 2WD • AUTOMATIC
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MARKOF.SPER
  • MEMBER
  • 1 POST
only when I use the defrost, i smell anti-freeze coming out of the vents, the car has a new water pump and thermostat, hoses, and belts. No leaks of any kind detected. thank you
Nov 11, 2008 at 3:45 PM
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MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 31,937 POSTS
Hi there,


I would have the cooling system pressure tested hot with the heater on, as i feel that with the smell of coolant in the cabin, you may well have a small leak in the heater core, best to check this out.

Mark (mhpautos)
Nov 11, 2008 at 5:17 PM
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