front air blows hot while rear blows cold air on 1994 Chevrolet Suburban 1500

the rear air blows cold no matter what setting its on. tried adjusting the heat on the front and rear coontrols still no change it always blow s cold air.. the front heater blows hot as usual..... any suggestions

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
0 answers