1999 Chevrolet Blazer "hot water suddenly stopped flowing" Questions

hot air suddenly starts blowing cool. The car does have the Climate Control heater system but the problem is still there even when used manually. Any help would be appreciated. Thanks. The heater core

...hot. is this now a prblm with water pump or first thermostat? I do not see a good connection between the serpentine belt and the engine overheating suddenly. Perhaps you have a lot of burnt belt ...

...hot air. Can anyone help me Have you checked the heater tap to see that it is working?If the heater tap is working you can undo the hoses at the firewall and use a garden hose to check that the water ...

...hot, the other cold, so it's clearly a flow issue. Yes, the door is in the correct position for heat. I've changed the heater core, water pump, thermostat, blead the system, flushed and refilled the ...

...hot air and temp gauge spikes all way up to red. i have already changed the thermostat. try checking your water pump the fluid just my be sitting there n not circulating or is poorly flowing n also ...

hot and it drive slow infront of trafic light the engine suddenly stop itself and shall re-start, I have send to workshop and nothing problems found, how to solve ? Your best bet is a clogged radiator

...hot (when water is in contact with the sensor) to cold ( when air is in contact). The less water, the hotter the engine. Easiest fix - add water. Thermostat - Keeps water circulating in the engine ...

...hot spot. What is causing the 3/4 mark gauge to stay at that temp.freeze leak that no one can find. Ikeep topping it up If you keep topping it up it is still leaking and if there is no external leak ...

...hot. I let it set for some thirty minutes then add some water. I ran in traffic again for approximately ten minutes then it ran hot again. I made i some somehow. The next day in dry weather after ...

...hot air when this is happening] then the engine will again run cool nearly as quickly for a while before repeating the cycle. If the leak is big enough it will often force coolant out of the reserve ...