My 2001 chevy suburban 1500 will not blow heat from the front unit will blow col on 2001 Chevrolet Suburban 1500

air back unit will blow heat

by in Lake Waccamaw, NC on January 09, 2013
1 answer 1 comment
ANSWER by on January 09, 2013
maybe the blend door is broken
COMMENT by on January 24, 2013
Mine is doing this now. They are telling me 1st to get a flush, and have it cleaned. told it's a 50/50 chance that will solve it. won't even tell you the cost! [coolant to refill is @$32.00/gal], then if this doesn't work...told it's the heater core.