Question about 2005 Chevrolet Malibu

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2005 chevy malibu cooling fans not coming on causing the car to over heat at idle. they will come on if you turn the a/c on and it will not over heat. if you unplug the coolant temp sensor both fans come on. does anyone have any cue what might be going on

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Make sure coolant is filled up indicating u do not have a leak. Now Change your coolant temp sensor and thermostat and perform coolant flush. Chevrolet Malibu is know for coolant gunk build up which normally ends up blowing up water pump. So make sure u flush it out good

Posted on Dec 11, 2014

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Bad coolant temp sensor is my main opinion

Posted on Dec 11, 2014

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3 Answers

2005 chevy malibu cooling fans not coming on causing the car to over heat at idle.


replace the temp sensor its gone out of range
service the fans
these fans have carbon brushes maybe one is a bit worn set or something.!!!

Dec 11, 2014 | 2005 Chevrolet Malibu

1 Answer

The fan on my 2005 chevy malibu is slow to react and takes a few minutes to start working


If your talking about the cooling fan for the radiator, if it's an electric fan then it is controlled by a temperature sensor that's screwed into the block (usually near the thermostat housing) the fan shouldn't come on right away, until the temp is reached, then it should turn on & run for a while til the temp drops again,then it will turn off, then repeats itself. If this is what's happening then that's normal, if not check the temp sensor.
Now if it's a clutch fan (not electric) then the clutch that's bolted to the fan could be your problem. hope this helps.

Oct 14, 2014 | 2005 Chevrolet Malibu

1 Answer

I have a 2005 chevy malibu LS, 3.5 eng.when i turn on my defrosters the air cond. comes on with temp control on heat also have a message on the message center {RADIO} how do I clear this message.


It is normal for the A/C compressor to come on during defrost mode. This is done to prevent provide dry air to the windshield to prevent fogging when the defroster is turned on. The blend door is designed to allow heat to the windshield, but also some of the cool air from the evaporator to prevent fogging.

Sep 20, 2014 | 2005 Chevrolet Malibu

1 Answer

Malibu heating and ac


does the car have automatic climate control?

Apr 05, 2014 | 2005 Chevrolet Malibu

1 Answer

THE CAR KEEP OVER HEATING


Blow out the radiator core from the engine side with compressed air to remove bugs and other debris. Make sure the cooling fan comes on when the engine gets to operating temp. If the car car has AC, turn it on which should start the fan immediately. If no fan action, try to turn the fan blade(s) which should turn easily with no noises. Check the fan fuse and fan relay. If the fan(s) come on fine, check the coolant level in the radiator core--it should be right at the top. Check the seal on the cap and replace it if it is decayed or damaged. Make sure the reservoir bottle is filled to the line and the connecting hose is in good shape. It is possible that the thermostat is sticking and not opening fully. Also, check the intake and outlet hoses to and from the radiator for firm condition without decay, collapse, or other damage. A hose can sometimes peel away a portion of the hose interior which can cause blocking. Hope some of this helps!

Jul 17, 2010 | 1997 Chevrolet Malibu

4 Answers

99 Chevy Malibu running hot


is electric radiator fan coming on? if not the relay or fuse is bad

Jan 16, 2010 | 1999 Chevrolet Malibu

1 Answer

2001 chevy malibu cool fans


On some cars the fans will run anytime the heating or cooling system is in the defrost mode try turning it to the vent mode or floor and see if one or both go off

Jan 06, 2009 | 2001 Chevrolet Malibu

1 Answer

2001 chevy malibu- when car starts cooling fans do not come on but then do


your coolant temp sensor on the engine block is probably faulty, however, keep in mind that if it really isn't all that hot outside they may not need to turn on. Once you activate the A/C the fans come on automatically since they have to cool the condensor...

If your car is not overheating do not worry about it.

Aug 29, 2008 | 2001 Chevrolet Malibu

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