Questions & Answers for: 2000 gmc sierra 1500 blowing

2000 gmc sierra 5.3l heater does not get hot antifreeze is full thermostat looks ok replaced anyway. what else? After replacing the thermostat I pulled the heater hoses off and blew air through the ...

...2000 gmc sierra 1500, it will continuously blow hot air even if I turn temp dial to cool. Only way to stop this is to shut truck off, then restart. check dial switch, check valve that lets water run ...

2000 gmc sierra 1500 doesn't give heat......how do I flush the heater core? I removed the hoses and took a air nozzle at low pressure and blew in the return hose connection of the core. A big chunk of

2000 gmc sierra 1500 blow hot air but the air is in the dash not coming out of the vents, why? Heat is in the dash board not coming out of the vents. Usually a sign of a faulty blend door. The blend ...