Question about 2002 Chevrolet Malibu

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My 2002 Chevy Malibu just had the thermostat replaced twice and it still overheats! What's the problem?

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Could be that your radiator is clogged, and it needs to be rodded out. Take it to a radiator shop. That should do the trick. Try a new radiator cap first. there like 11 bucks!! Its way cheaper lol. Hope this helps, James Booth

Posted on May 18, 2011

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I have a 2002 Chevy tracker. It's been running hot on the temp gage. So, I have changed the thermostat and replaced the radiator hose because of corrosion but it still overheats and when I turn on


If there is cold air coming out the heater than there is air in the system. After you replaced the thermostat did you run the engine at idle with the radiator cap off until the engine came up to operating temp? Doing this will purge the air from the system.

Apr 14, 2013 | 2002 Chevrolet Tracker

1 Answer

98 Chevy Malibu won't start after replacing thermostat?


replace thermostat did bleed coolant system check coolant level.because if not engine could have overheated and blowed headgaskets warp or cracked the heads check engine compression.sound like engine got too hot.

Jan 08, 2013 | 1998 Chevrolet Malibu

3 Answers

I have a 1999 chevy malibu , front wheel drive with a 2.4 litre twin cam engine . the car overheats and water pours out of overflow hose. what is the cause of this?


well, a lot potentially COULD be wrong. here is my list of what to check.

hoses for deterioration and sponginess, its unlikely but possible your hoses are collapsing due to poor condition and not letting water flow through it

check thermostat for proper operation ( remove thermostat, compress spring to open it insert string then suspend it in a pan of boiling water. it will fall off the spring at the aprox. temp its set at. if it is stuck closed then its your culprit)

check water pump ( hard to diagnose, some cars have a weep hole at the bottom of the water pump that drips water while running at any temp. )

check antifreeze dilution and condition, water cools better that anti-freeze 50-50 is recommended but in hotter climates 25-75 is more appropriate. also the dirtier it is the worse it cools

ensure your engine fan is operating by running the car and observing it with the hood open. at a specified temp ( 200-230 F neighborhood) it should turn on. If it doesn't then check your fuses and wiring and repair/replace as needed

finally check for a clogged radiator/ flush it. If the car was bought used or you know for a fact the radiator stop-leak pellets were used in it. you will most likely have to replace the radiator

other factors are engine timing (shouldn't be an issue for your year of car)

I hope this helps a bit

Sep 04, 2011 | 1999 Chevrolet Malibu

1 Answer

My 1999 chevy malibu overheats and i cant figure out why. i was told the thermostat needs changing what else could it be?


depending on symptoms, could be internal/external leak, water pump, thermostat, or even an air lock depending on what it does and what your doing when it overheats. so what happens?

Aug 14, 2011 | 1999 Chevrolet Malibu

1 Answer

2002 chevy malibu overheats. when the heater stops blowing the car will overheats in seconds. No water loss,


change thermostat, but sounds like ur head gasket is damaged do engine copression test.

Mar 05, 2010 | 2002 Chevrolet Malibu

2 Answers

My 2002 Chevy Malibu is overheating. I found that


If your car is equipped with a 3.1 or a 3.4 litre V6 and you have preformed all of the above listed work then I would have to say its the intake manifold gaskets. They commonly blow on these motors. Just a design flaw, nothing but replacing them when they leak can fix this. Also run a coolant pressure test on the system to check for minor things like a leak that you cant see from visual inspection. Hope this helps.

757Nate

Nov 21, 2009 | 2002 Chevrolet Malibu

1 Answer

Thermostat on a 2002 chevy malibu


Which engine>? There are a few different engines available.

Jul 28, 2009 | 2002 Chevrolet Malibu

1 Answer

Check light on Chevy Malibu 2002


P0128 - Coolant Thermostat Below Thermostat Regulating Temperature
REPLACE THE THERMOSTAT THE ENGINE IS NOT REACHING CORRECT OPERATING TEMPERATURE, 190-195 DEGREE'S FAHRENHEIT.

Feb 17, 2009 | 2002 Chevrolet Malibu

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