Question about 2001 Mitsubishi Eclipse

2 Answers

My 2001 Mitsubishi eclipse is running hot. I did have a crack in the radiator and so I just recently replaced it and the thermostat. The one thing that I have noticed when it starts to get hot and I p

Someone had mentioned maybe the water pump. Is there a way to test to see if its that?

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  • 3,904 Answers

Easy approach is turn the car over and watch the water pump. If the belt is not turning the water pump then the pump is bad fro sure. This is not the end all but a sure sign it is bad. Make sure the belt tension is good as well. Other than that you will have to pull the pump out to make sure it is not seized in any way. Not really that difficult of a job if you do dig into it.

Posted on Jan 21, 2013

I think you may have bigger problems like a
bad head gasket if it over heats

What sort of shop do you use that doesn't properly
address ALL you vehicle issues & at least give you
some options or tell you what is wrong

Sounds like you got a new radiator & sent on your way
with the same problems you came in with

Posted on Jan 21, 2013

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Posted on Jan 02, 2017

  • 449 Answers

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

Posted on Dec 18, 2008

  • 46 Answers

SOURCE: overheating engine

Was the thermostat put in backwards? I know this is a silly question, but I've seen it happen. The water pump will fight it if it is. Another thing are the coolant passages, are they flushed out? Also, if that fan clutch is the original one, I would go ahead and replace that as insurance against the water pump breaking.

Posted on Dec 26, 2008

jose_v17
  • 227 Answers

SOURCE: how do i find and replace the thermostat on a 2001

575f3e2.jpgif you need more help let me know

Posted on Mar 24, 2009

  • 2 Answers

SOURCE: Replacing thermostat on 2001 Eclipse 3.0L 6 Cyl

Very Helpful jose_v17! Thanks a lot.

Posted on Apr 11, 2009

SOURCE: Mitsubishi Eclipse Ac and heater problem

cold air on passenger side of car and warm on drivers, why

Posted on Oct 14, 2009

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1 Answer

My 1998 Mitsubishi eclipse GST was overheating I changed out the thermostat and still continues to overheat why?


You have to have a thermostat in the system. Have a compression test done to check for head gasket or cracked head/s. Check the flow rate of the radiator ( blocked cores) check the condition of the cooling fins on the radiator. Check the radiator cap. Check if the fan is working when hot.. If you have a viscous fan hub on the fan then replace it . run the fault codes to check for air/fuel problems . Check for load and speed conditions as high speed when fully loaded will cause your problem . Check that it is actually engaging over drive and not over reving the engine.

Aug 01, 2014 | 1998 Mitsubishi Eclipse

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I have a 2001 eclipse 3.0. my bf changed the thermostat last oct or so.he also just changed the valve cover gasket for me bc mine was leaking. now it wants to run hot. i have checked the fluids and its...


There are several possible causes for it running hot.
  1. Loose drive belt - loose or worn drive belt would slip and cause the water pump to turn slower than it should
  2. Bad bearing in water pump - accompanied by occasional screeching and possible leaking
  3. Bad thermostat - this could be the case if you've used a radiator sealant that could cause the thermostat to stick
  4. Possible bad head gasket - this would produce white smoke from the tailpipe and bubbling of the auto transmission fluid

Apr 13, 2012 | 2001 Mitsubishi Eclipse

1 Answer

Where is the thermostat at on a 2001 mitsubishi eclipse?


The thermostat is in the water inlet fitting where the radiator lower hose connects to the fitting.

Apr 28, 2010 | 2001 Mitsubishi Eclipse

1 Answer

Where is thermostat on 2001 eclips?


look at the hose that comes out of the top of your radiator and follow it to where it attaches to the engine that small dome housing thing its clamped to is the thermostat housing remove that and you will see your thermostat

Jan 14, 2010 | 2001 Mitsubishi Eclipse

1 Answer

How i can replace the thermostat of 2001 eclipse


The thermostat is located on the engine block, follow the upper radiator hose from the radiator to the engine thermostat is there. When you replace thermostat either it has a gasket or maybe o-ring or both, make sure you replace them also. Scrape the old gasket off completely or when you install the new one it will leak. Also have antifreeze so what coolant you loose you can replace or flush radiator with a radiator flush made by prestone or other manufacturer, and follow instructions on it.If hoses look bad, have cracks good time to replace also. take them with you when you go to autoparts so you can get the right one.

Aug 30, 2009 | Mitsubishi Eclipse Cars & Trucks

1 Answer

2001 mitsubishi eclipe heater does not blow hot air, my gauge reads a little below normal temperature whats the problem??? I just changed my thermostat and radiator and coolant temp sensor. at time when i...


It could be very well your water pump from the sounds of it. When was the last time you had that check or replaced? That would be my next guess to the problem...what's your mileage on the car?

Dec 10, 2008 | 2001 Mitsubishi Eclipse

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