I drained the fluid out of radiator, opened up the bleed screw on top the engine, then refilled it, hoping that I would have dispersed any air in the system. I also ran the motor with the heat on full blast, to make sure that after warming up, there was enough fluid in the radiator & motor. That is when I found out that 1/2 the radiator was hot, & 1/2 was cold??
Sounds like you radiator is blocked and ******** ,you need to replace it
SOURCE: Coolant filling up overflow bottle
You may need to ask AAA to put a radiator pressure tester on the resevoir bottle and pump it up to operating pressure(Pressure cap rating) and see if it over pressurises while it is running at operating temp,rev engine up and down and watch what the testers pressure readings do,it should move up and down in sync with the water pump.If the pressure keeps building i would have to believe that combustion chamber gases are over pressurising your cooling system.Also test the pressure cap is functioning within factory specs.
SOURCE: Heater not dispersing hot air
i got the part yesterday to fix this problem on my 03 galant es. its called the Heater Control Actuator Motor set me back 150 but was worth having heat. took me and my dad maybe an hr and a half to put it on and put the dash back together. can easily be done at home. it is not necessiary ro take the entire blower housing out you can access the part from the passenger side, after removing the bottom dash. it is located maybe 6inches about the heater core.
SOURCE: over heating mitsubishi k4n engine
use 50-50 antifreeze and change your radiator cap but first drain all the old antifreeze out.. hope this help
SOURCE: No Cold air from 99 Montero Sport
replaced clutch, driver ac belts on 2000 montero sport a/c is still not blowing cold any ideas
SOURCE: changed out thermostat on 02 mitshibu montero
Check the gauge cluster- I am having the same problem with ours-- check the actual temperature-verify thermal/laser thermostat or use a liquid thermometer-- mine is not running hot, water pump, circuit boards, temp sending unit, or fan clutch or thermostat
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Not too helpful, I really want an answer that is not bottom line. I want an answer that possibly could save me money.
It def sounds like a flow problem with the radiator, you can try flush it out but need to put quite a bit of pressure into it so unless you have the correct gear to do it, it will be costly to take it into a shop, was there any dirt or **** in the water? has the engine been overheated at any point? The radiators can be reemed out but again its costly and most garages wont put a warrenty on them as its taking thickness out of them
I flushed the radiator with clean water while the engine was running and the heater was on high. The car never overheated. Then .added prestone radiator cleaner & drove it for 3 hours intermittently as directed. The water in the side bottle seems to be dirty, as it was clean when I first changed the fluid out . Now when the radiator gets hot, the WHOLE RADIATOR GETS HOT. Today I will be flushing all the drty water out (twice) then will refill with clean Antfreeze. Let you know if the blockage is cleared. Hey, must I solve my own problems here?
I pressurized the radiator with clean water while the engine was running and the heater was on high. The car never overheated. Then .added prestone radiator cleaner & drove it for 3 hours intermittently as directed. again the car never overheated. The water in the side bottle seems to be dirty, as it was clean when I first changed the fluid out . Now when the radiator gets hot, the WHOLE RADIATOR GETS HOT. Today I will do a pressure flush of all the dirty water (twice) then will refill with clean Antfreeze. Let you know if the blockage is
cleared. Hey, must I solve my own problems here?
RevHeadPete goes straight to the bottom line here. I could have gone to a radiator shop and would have gotten THAT ANSWER!
DamienSmith, having the correct knowledge is more helpful than having the correct gear here. The correct gear was a water hose, a rag, & having a good ole' wet time. The correct knowledge is what was needed to accomplish the task.
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