Questions & Answers for: heater vehicle starts warm goes

...heater core is getting plugged up. With vehicle cooled off, drain rad, and remove heater hoses going into firewall at back of engine area. Cut & connect a garden hose of proper size to one of the ...

...vehicle is stopped or moving. I am having/had the same problem. My rear heater has not worked the last 2 winters, still trying to figure that one out. But I think I solved the front heat problem ...

...vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater to hot blower on full. When at operating temp keep clear of coolant filler area and listen, ...

...heater hose loose, start engine, let it warm up then bleed the system using return hose for a minute or so. KEEP rad full while bleeding. tighten hose, then watch the radiator fill hole for signs of ...

...heater core are cold when they should be hot. Park facing uphill, raise front of vehicle so radiator cap is higher than top of engine. (You want bubble to get to radiator and out the cap.) Leave cap ...

...warm. Cardboard in front of the radiator drove the engine temp up but no noticible increase from heater. Any idea what could cause this? If your temp is jumping between 150-200 degrees then I am ...

...vehicle the heater core is probably fine , the thermostat is a common culprit and they are fairly easy to change, one other thing before you go changing anything, check to make sure the radiator is ...

...vehicle turn the heater temperature on high and turn the fan speed on high. 1. Listen very closely for a click sound from the engine, ( most thermostats make a click when they open ) 2. Watch your ...

...vehicle allows coolant to pass through your heater core, and the blower motor acts as another cooling device for the anti-freeze. The next steps I would take, is to check your fans. Let the vehicle ...

...vehicle raised to help the air escape. I tepleased heater core and removed dash now car dose not start and there is a xtra plug left and it's gray with a black fingger lock on it don't no where it ...