2004 Pontiac Grand Prix "troubleshooting heater core problems" Questions

what to do next?Thank you Do you have a heater control valve. .the damper door may be closed on it not allowing hot water to the heater core. You can go to my tips "heat troubleshooting" for more info

...Troubleshooting by Symptom Poor Heater System Performance CAUTION Check all fluid levels and adjust as needed, before operating vehicle for extended periods at idle. Start the engine. Idle the engine ...

heater core. Does it get wet even during dry weather, if yes then that would be the first place to troubleshoot. Are you loosing coolant in your radiator. If you are not loosing coolant and it happens

heater core, etc. Also, check the engine oil and make sure it looks normal, again black or the "prettier" golden/brown color. If the oil is "Milky" looking or much too full, or if your radiator has an

...heater core hoses located to disconnect for a flush? Looking to connect garden hose to heater core to flush. Regarding this types of problem,i suggest you to go through this help links.Click the link ...

heater core hoses need to see diagram of hoses to heater core to back flush it Regarding this types of problem,i suggest you to go through this help links.Click the link below to go through the ...

...heater core on 1999 dodge stratus where is hoses located need to see a diagram of hoses to heater core on a 1999 dodge stratus so we can back flush it Regarding this types of problem,i suggest you to ...

heater core hoses at under the hood of a 95 4runner 3.0 I am not getting hot air just warm I want to try to flush it out Thanks. Jeremy Regarding this types of problem,i suggest you to go through this

...heater core now it doesnt seem to work the right way could it be a plugged thermostat or plugged core again Can be a heater core issue:--Regarding this types of problem,i suggest you to go through ...

heater core is working but car is not blowing hot air recently flushed out cooling system and heater core but the heat is still not blowing hot air. Could it be a malfunctioning flapper Regarding this