1991 Lexus LS 400 "dont coolant circulating" Questions

...dont know what to do replace thermostat,and flush system,sounds like you low on coolant. TIM think Circulation and Compression and Cooling. Check your antifreeze make sure it is full find the leak if ...

...dont blow out hot air at all its a 1998 gmc sonoma 4cyl you should change the thermistat its probably stuck open Thermostat bad,or blockage in radiator. Take radiator cap off while running it,to see ...

...dont know what else to do my 94 mistubshi 3000 gt Are you just going by your temp gage? Is coolant boiling over? Are you losing coolant? I'd want to know, how hot does the engine gets in degrees F? ...

...dont come on ,water not circulating 1- RPM is too high due to some leaking vacuum tube. Or the engine gets overheated as you just found out 2- Fan didn't come on due to a bad coolant sensor . Need to ...

...most bmws have a water pump that uses a plastic impeller/propeller (dont know the technical name), but it breaks off the water pump shaft, and no coolant is circulated through the engine and ...

dont have a leak, then the coolant aint the problem, my guess is its the thermostat, this is how it works, you turn the car on, the thermostat is closed, re-circulating the coolant in the engine block

coolant should circulate all the time so u will want to replace it so your fluid will reach the optimum temperature, but if u get a little heat with it out u know that was the problem. if thats not it

...coolant, and i just replaced a faulty hose. i even dumped one of those Preston things that you can buy at wal mart. more recently my engine started revving with the car in park 9going from the normal ...

...COOLANT FANS DONT RUN CHECK COOLANT FANS FUSE AND RELAY.IF COOLING FANS DONT TURN ON WITH AIR CONDITIONER ON EITHER COOLANT TEMPERATURE SENSOR FAULTY OR PCM FAULTY.IF ALL LOOKS GOOD.IF ENGINE OIL ...

...dont get hot it only blow min warm why is this happen probably need a new thermostat. when they get old they like to stick open, when they stick open your coolant circulates too fast to build up ...