i have a 1996 blazer,problem is the heat..same problem for 4 years now ..had it at the chevy dealer they changed the heater core..it helped the first time.. next winter same problem. when its 50 outside the temp. in the car is 120 deg. when the temp. outside goes down to 30 or lower,the temp. in the car is 100 deg. that is the air flow right at the vent. turn the blower up and the air gets cooler. had the thermostat changed also. motor is the vortex 6 cyl. and i also have to use dextrol. can anyone please help thank you.... josh

 

Welcome to the Chevrolet forum. Lot of good info here. Try the Blazer section for more info.

 

Welcome to the forum! We don't have a Blazer section by name, but you can post in the S10 section.

 

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