my 2001 chevy Blazer heater will not work, the AC works great but no heat

Asked by Feb 13, 2015 at 06:38 PM about the 2001 Chevrolet Blazer 4 Door LS

Question type: Maintenance & Repair

the AC works great but when i turn the knob to heat it still blows cold air

1 Answer

146,355

The heater core may be plugged, coolant flows through at at all times, there is no shut-on/off. Still looking for more information , but if you decide to replace heater core, this is what you will be getting in to.....your call...click for full screen I did some reading, and for the life of me I still don't know why they took the steering wheel off..otherwise, it's this much work

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