2001 Chevrolet Blazer "water heater thermastat" Questions

water ins't flowing threw heater hose 1998 Chevrolet Blazer 4.3 V6 Vortex , water isn't flowing threw heater hose from water pump. thermastat is stuck replace it

...heater blowed hot then it started blowing cold again has a new radiator and the water is not low Flush coolant system out first with prestone or peak coolant flush if problem still exist replace ...

...heater on it was blowing cold air then it got hot and then cold more than likely with those symptoms you are low in coolant, you have sticking thermastat, a bad radiator cap not alowing the system to ...

...installing the correct thermostat the right in the head or block 3 thermostats indicate incorrect fitment method heater hoses run either way as the water is pushed through the heater core by the ...

...air. Posible thermastat sticking closed. If thermastat doesn't open heated water is trapped in the engine causing it to run hot and not allowing hot water to travle to the heater core when called

heater dont work. water pump is not leaking.heater core is not leaking.the truck heats up so the thermastat isnt stuck. The heater core is either clogged or the water inlet valve in stuck.

...had it chemically flushed still over heats. runs fine without the heater on but overheated when we turned on heater The brand new water pumps are junk. I put a reman water pump on and it works

...water as when air is on, heater valve in heater hose is closed. Get yourself a new housing, gasket & thermostat and fix it right. An added bonus is you'll probably get better gas mileage with ...

...water in oil , heater blows warm for a while then goes cold and when checked water level is down . seems like the way the heater hose comes off firewall and then goes to part of manifold or something ...

...water pump one to res, other to heater core are ran dead center and i have heat. is there another way to bleed this car i keep having this creeping hot problem not happy. if no air in the system from ...