Question about 2000 Mitsubishi Galant

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Heating problems for Mitsubishi Galant 2000

The heat was blowing out hot air yesterday but today it is barely hot, not sure what the problem is???

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1) The "heat" cycle on a vehicle depends on the engine's operating temperature when "heat'' desired," as well as the "external temperature of the atmosphere; colder days will create "lower" internal temperatures for the vehicle's passenger compartment as related to the amount of cooling of the radiator fluid through the radiator.
2) One option exists as to place "a 'piece of cardboard' in front of the radiator itself," especially in very cold areas of the country.
3) The other problem may involve your "thermostat" of the vehicle being "bad" (they fall apart sometimes), versus being of the wrong temperature variety; In this case your "automotive technician" should be consulted so as to replace your vehicle's thermostat with a different thermostat.
4) Lower temperature thermostats (185 F) open the system to the engine at 185 degrees; with 195 F opening the system at 195 degrees.
5) One of these solutions (the cheapest being the cardboard) may be of assistance (just remember to remove the cardboard in the summer/spring).

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

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SOURCE: 2003 galant not heating properly cold air will

make sure first you check your anti-freeze level. one simple procedure to do is to see if both radiator hoses are the same temp after the car is warm up. if not suspect faulty thermostat.

Posted on Oct 07, 2010

  • 1 Answer

SOURCE: 2003 Mitsubishi Eclipse GS blows cold air in heat mode.

ok here we go and you aren't going to believe it...
I replaced the thermostat step one

I noticed that I had a small leak at the engine side of upper hose fixed that by taking it off and cleaning it and putting the hose back on Step two

then while refilling the reservoir with coolant i found that the hose that was supposed to be in the fluid was curled up on top and not sticking down in the fluid where it should be.
played with the hose until i got it to fall down in the reservoir where it should be Step 3

I started the car with the radiator cap off and let it run until it got to normal operating temp. and keep filling the radiator with fluid until the level stayed constant. Then put the cap back on and test drove. Everything worked fine haven't had that much heat in awhile and it kept blowing hot even when i stopped and let it idle for ten min.during test drive. Checked reservoir when I got home and had to add a small amount of coolant but not much.

I really think that the hose in the reservoir not being in the right place and pulling air into the system instead of coolant is the real culprit of this drama, but i replaced the thermostat to be safe.

Posted on Feb 21, 2009

  • 1374 Answers

SOURCE: Got a new battery yesterday on my 2000 Mit, but today it will not

Sounds like starter solenoid. Use a voltmeter and put it on B+ wire from starter relay to solenoid. Then crakk the vehicle . If your getting 12v there than its the starter solenoid. if there is no B+ there than check ign. switch, neutral safety switch,starter relay .
Good luck ..... you may want to give the battery a 3 min charge before testing.

Posted on Apr 26, 2010

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SOURCE: my 2000 mitsubishi Galant over heats too much

have you tryed to replace your thermostat? if you have a numbered guage on your dash.... has it been higher than 200? if so,then your problem may be thermostat,or a cooling fan not coming on when the engines reached it's standard operarating temperature. as long as you're not loosing coolant from your radiator,does not point to an engine leak.however,if you notice a leak after driving the vehicle,then,you have an issue. determine where the leaks coming from.leaking freeze out plug,leaking water pump,and the worst! leaking coolant into,or,onto the passengers side front floorboard.{heater core replacement} thank you for choosing fixya.com!

Posted on Mar 20, 2011

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SOURCE: 2002 mitsubishi galant heater problems

The galant heater problem is the temp acuator. That is the clicking sound your hearing. It is trying to work but it needs to be replaced. Mine has done the same thing. Its up under the dash almost directly behind the stereo. I had mine replaced for about 200. That included the part.

I do have another problem now though. I can't switch from vent to floor to defrost. It is stuck between floor/vent and defrost/floor. Cant drive in cold cuz defrost does not blow hard enought to keep window clear. Mechanic told me heater box warped and be about 2500 to fix. I call bs on this. Does anyone else have this problem?

Posted on Jan 23, 2012

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