Question about 2004 Chevrolet Monte Carlo

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2004 monte carlo cooling fan always on

Fan starts quickly after start up not allowing engine to reach normal operating temp

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There is suppose to be a temp sending unit what controls them, I have been told buy other mechanics, I yet have to see one before i will belive it, After being a certified mechanic for 45 years untill i retired from it this summer, But they must Exists , Just call A GM dealership parts department to find out about it, End where in the hell it is in the car, People have told me they are located on the side of the rad, That they screw into one of the saddle tanks on the side of the rad, But i yet have to find one on any GM car that i work on,in my life ,that is on the rad,

Posted on Dec 07, 2012

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6ya6ya
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Posted on Jan 02, 2017

emissionwiz
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SOURCE: 2004 monte carlo sunroof won't close

THERE IS NO MAN OVERIDE, REMOVE THE DRIVE MOTROR AND THE SUNROOF WILL CLOSE.

Posted on Dec 11, 2008

  • 1201 Answers

SOURCE: 2000 Monte Carlo SS (89,000 mi)

That slushy brown stuff is signs of a blown head gasket. Have a code scanner hooked up to find out why the light is on, it will probably show coolant temperature sensor. Just out of curiosity, check the pvc valve (if your car has one), and see if it's clogged. If it is replace it, the crank case is not getting ventilated.

Posted on Jan 30, 2009

emissionwiz
  • 75822 Answers

SOURCE: 04 MONTE CARLO/ 3.4 ENGINE, TICKING OUND WHEN U START ENGINE

this is normal roller rocker noise, it will not cause any concerns, (from a GM TSB)

Posted on Apr 26, 2009

litoshop
  • 298 Answers

SOURCE: 2002 chevy monte carlo won't start

this vehicle is equipped with a factory anti theft system if when you try to start the engine and the anti theft light is on then the starter won't start even if your check engine light is not on you would have to scan the body module to pin point the problem to see if it's the anti theft system or the starter, go to a auto parts store like auto zone or pep boys or western auto these store offer free scanning to there customers. if this information has been helpful please let use know good luck

Posted on Jul 28, 2009

  • 68 Answers

SOURCE: I have a 2004 chevy Monte Carlo and the heater fan

The first thing I recommend is checking the fuse, then the electrical connections. If the fuse is good then I'd check the blower power wires, usually near the bottom of the glove box, making sure they are properly seating in their socket. You can further troubleshoot at this connection to see if voltage is getting to the blower motor. Use a DC volt meter, or a 12 volt tester light. The switch, relay, and blower resistor are other components in this circuit. Best of luck!

Posted on Jan 31, 2010

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1 Answer

SS w/3.8l engine. What would cause the first electric fan not run but when temp rises the second fan will come on?


The coolant fan should kick on when temp reaches 192 degrees. Have you changed your thermostat? The 2nd fan is for the a/c. If car is running hot, it's probably thermostat or cooling fan

Apr 05, 2016 | 2001 Chevrolet Monte Carlo

1 Answer

Monte carlo blows cold air and overheats


It really runs hot within a minute of starting ?
An engine that runs hot in a few minutes is often having problems with the water pump or a blockage in the cooling system. The thermostat does not open until 195 degrees which takes 5 or 10 miles of driving.
During that time, the water pump should be circulating coolant in the block and the heater hoses.
A leaking head gasket should be putting extra pressure into the cooling system, and-or dumping coolant into the cylinders which would come out the exhaust pipe. But it should still take a few minutes for the engine to reach the boiling point of 240 degrees.

Mar 09, 2014 | 2004 Chevrolet Monte Carlo

1 Answer

Had short in fan that killed engine and it want start, 2002 monte carlo


When the fan stopped working did car temp gauge ever max out if so check coolant level to see if still full check oil if there is any white sludge. If coolant and oil are good than you might have a bad coolant sensor which also operates fan and engine a bad sensor can cause car not to start and ever run very poorly

Mar 08, 2014 | 2002 Chevrolet Monte Carlo

1 Answer

2002 monte carlo ss the will start but the engine cooling fan want start


The engine cooling fan is controlled by a thermostatic switch. From your description, I believe you are assuming the fan comes on immediately when the engine starts. Not so. It only comes on when a certain temperature is reached

Feb 25, 2013 | Cars & Trucks

1 Answer

02 monte carlo ss engine fan want start


There are three relays and two fuses that power the radiator fans.
The computer grounds the relays to make the fans come on.
Have you checked the fuses and relays for power ?

Feb 25, 2013 | Cars & Trucks

1 Answer

I have a 96 Monte Carlo and it's overheating. The


Replace the thermostat. After that, if problem persists, feel the radiator with engine at normal operating temp. If part of it feels cool, this would indicate a restricted radiator, Very common.Also purchase a block tester, available at napa or other reputable parts store for about thirty dollars. Follow directions, cheapest way to find head gasket breech into cooling system. Good luck!

May 12, 2011 | 1996 Chevrolet Monte Carlo

3 Answers

I have a 2003 chevy impala. just changed the thermastat because the temperature was fluxuating. Since changing the thermastat the temperature gage constantly read in the red, however the coolant level...


You probably need to bleed the cooling system properly.

Open the cooling system bleeder screws.

Slowly fill the cooling system with a 50/50 coolant mixture until coolant runs freely out of bleeder screws.
Close the cooling system bleeder screws
Install the coolant pressure cap
Start the engine.
Run the engine at 2,000 - 2,500 RPM until the engine reaches normal operating temperature. (midway on gauge)
Allow the engine to idle for 3 minutes.
Shut the engine off.
Allow the engine to completely cool.
Top off the coolant as necessary.
Run engine again at 2000 - 2500 RPM until the engine reaches normal operating temperature.
Allow engine to idle until cooling fans come on. It should come on with the gauge about 3/4 of the way to red. - if it gets to where is touches the red, shut down immediately.
When the fan comes on, put your hand behind the fan and observe the temperature of the air coming from the fan. It should feel hot. If it is blowing cold air, the coolant is not circulating through the radiator like it should. This could be caused by lots of things including an improper/defective thermostat, corroded water pump impeller, or a blown head gasket.

Dec 02, 2010 | 2003 Chevrolet Impala

1 Answer

95 monte carlo 3.1 cooling fan comes on at 3/4 temp, when the coolant temp sensor is disconnected both fans run strongly until car is shut off, but when its connected only 1 fan will come on at 3/4 temp


to check both fans work at high temps put a sheet of card over the rad to block off airflow and run engine till hot,keeping an eye on when they both start (one is set at a lower temp than the other),if the second fan dont start when the engine is really hot THEN you have a problem.....

Oct 15, 2010 | 1995 Chevrolet Monte Carlo

1 Answer

How much coolant do I need in the tank. I can't see the cool or hot marks/lines on the tank and my hot coolant warning light is on and the cvar is pegged at the high temp mark


When in doubt make sure it is at least halfway filled. The tank is only there to allow for expansion, 90% of the coolant is in the engine block and the radiator, so overfilling the tank leaves no space for expanding liquid and you end up with a burst hose. Problems with overheating are because of low coolant, inoperative fans(temp will come down while driving at speed) Faulty pump : it'll overheat quickly and stay hot even while driving. Clogged radiator : same as a faulty pump. Stuck thermostat : engine will be boiling while the radiator is relatively cool.
To clean out the tank use a bottle brush.

Jul 07, 2010 | 2004 Chevrolet Monte Carlo

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