When I am driving down the road my windshield fogs up bad and there is a smell like anitfreeze. I turn on my defrost and it doesn't help. The blower works fine. What's the problem?

25

Asked by May 21, 2015 at 11:18 AM about the 2004 Chevrolet Blazer 2 Door LS 4WD

Question type: Maintenance & Repair

2004 Chevy 4x4 Blazer LS 4.3Lt V6

2 Answers

223,105

Leaky heater core. It's located on the passenger side firewall. Time to swap it out.

255

your heater core is leaking

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