1993 GMC Suburban "water heater working" Questions

...heat and the A/C delivers cold with freon.  If you have no water, the heater valve is stuck, or your heater core is plugged, you will not get heating but your A/C will still work just

...HEATER CORE HOSE CHECK WATER PUMP BYPASS HOSE SEE IF IT GETS HOT.IF NOT COULD BE BLOCKAGE AT BYPASS HOSE FROM WATER PUMP OR WATER COULD BE FAULTY GETTING TOO WEAK PUMP COOLANT THROUGH SYSTEM.IF ...

up somehow. How do I fix it? check that the heater control (tap) that allows water through the core is actually opening Remove a heater hose and see it the water is circulating through the heater core

...core tube. This may take several tries but you should start to notice an increase in heat. top off with straight coolant (not mixed 50/50 with water) to compensate for the water in the heater

...new. What can cause this? possible heater hot water control valve. if equipped would be found on one of the heater hoses under the hood. also try cafeully pinching the heater hoses to stop water

Water from a plugged up drain on the heater & A/C box or a potential seal around the windshield which you would have to track down with a water hose & a helper. I would suggest a pressure test

...water pump to the heater core the other is connected at the engine to the heater core) one hose may have a regulator (a small mechanical device operated by either cable,electric,or vacuum that ...

water (via garden hose) directly through the heater core. the flow seemed good. The issue is that we get very little heat out of the heater. Watching the engine temp from a cold start, it will heat up

heater works fine. It is either 1 of three things. You may be low on antifreeze in your radiator, or your water pump is beginning or has failed. Turn your engine off and let it cool down. Take off the

...heater core I came out of work today and noticed water dripping from under the passenger door, I knew immediately it was the front heater core from previous experiences. I have heard the dash has to ...