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2003 monte carlo not blowing heat out running at low rpms will get a little heat at higher [email protected]

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Low coolant or bad vacuum

Posted on Feb 07, 2011


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My 99 monte carlo z34 Low coolant light comes on occasionally car almost overheats and than just bounces between mid temp to bout three quarter temp and is blowing cold air

For car running hot and overheating issues, I suggest to you go through this help links.

Click this link below and go through the troubleshooting procedure to take care of the problems: ----

Car runs hot?

All types of car overheating problems and troubleshooting?

Car freeze overnight and started overheating while driving?


Engine Overheats and heater blowing cold?


Car overheats and Air blows hot at idle?


Car engine Overheats and transmission starts slipping?
----------This details will help.Thanks.

Feb 25, 2012 | 1999 Chevrolet Monte Carlo

1 Answer

In my 2003 Monte Carlo the ac button isnt lighting up, therefore my car is not blowing cold air. How do I fix this?

ask a local mechanic to have a look at the causes could be numerous from a fuse to low gas and lots os sensors inbetween

Jul 30, 2011 | 2003 Chevrolet Monte Carlo

1 Answer

I have a 2004 Monte Carlo and My driver side blows out cold air and my passager side has heat. why dont my driver side have heat???????

you have "blend doors" under the dash, most likely you have dual side temp controls, and the little electric blend door actuator is bad, they are not easy to get to, but can be done in the drive way, hope this helps,

Jan 24, 2011 | 2004 Chevrolet Monte Carlo

1 Answer

How do I adjust the door on my 2003 Monte Carlo SS? It's hanging a little too low and is not closing right.

There is no adjustments on the 2003 Monte Carlo. The bushings in the hinges are worn and the whole hinge will need to be replaced.

Best is to replace the upper and lower hinge. It takes just under an hour with a helping hands to remove the both hinges, but replace them one at a time.

Thank you for using Fixya and be safe.

Dec 31, 2010 | 2003 Chevrolet Monte Carlo

2 Answers

2003 monte carlo a/c works of and on,already put freon in twice and the security light omes on and also the traction active light comes on

Re the a/c. Get a can of red tek sealer. make sure the engine is cold or you won't get the connector on to the low side port to seal properly. Follow the insrtuctions that comes with the can. Just adding the refrigerant doesn't stop the leak

Sep 14, 2010 | 2003 Chevrolet Monte Carlo

1 Answer

My fuel pump fuse keeps blowing in my 1995 chevy monte carlo. what could be the issue

Some errror in the section shorrting the power, look for wires rubbing around LIVE into the ground.
Possible that the pressure sensor , sensor line is shorting.
Check fuse rating , maybe try a little higher value and test.
Possible that the motor is faulty. might need to check.

Aug 23, 2010 | 1995 Chevrolet Monte Carlo

1 Answer

My 03 monte carlo is very sluggish. The engine

P0404 Exhaust Gas Recirculation Circuit Range/Performance
P0502 Vehicle Speed Sensor Low Input
P0440 Evaporative Emission Control System Malfunction
hope that helps /a little beyond my expertise but theres your codes your looking for ;)

Feb 04, 2010 | 2003 Chevrolet Monte Carlo

1 Answer

My 2003 monte carlo is leaking water and running hot it spraying water from a hose leading to the engine

You need to replace the hose right away but a little more information would be nice. Does it go to the front of the car or the firewall or where?

Aug 15, 2009 | 2003 Chevrolet Monte Carlo

2 Answers

Wont keep idle, car stalls out

I had this same problem on my 2005 monte carlo, took mechanic a while to figure out it was the idle air control valve. They also replace the idle air control motor.

Jun 01, 2009 | 2005 Chevrolet Monte Carlo

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