Question about 2004 Pontiac Grand Am

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Cooling fans stop working overheats (04 Pontiac Grand Am V6)

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Your cooling fan relay probably went bad. you should check that first.

Posted on Jan 09, 2009

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Overheats unless ac is running


The thermostat may be stuck. If it dosent open then the engine will overheat. If you turn the ac on then the air rushing around the engine will help cool it down. Replace the thermostat and it should fix it

Dec 30, 2012 | 2008 Pontiac Grand Prix

1 Answer

HELLO I HAVE A 1999 GRAND PRIX AND KEEP HAVING A PROBLEM WITH IT OVERHEATING I GOT A READING AT AUTOZONE AND IT SAID COOLING FAN 2 RELAY I HAD A DIAGNOSTIC AT A RADIATOR SHOP SO I WAS ASSUMING IT WAS FIXED...


This relay in the underhood junction block is where the power flows through to turn your cooling fans on. If these do not come on when they are commanded by the pcm the car will overheat,

Oct 10, 2010 | 1999 Pontiac Grand Prix

1 Answer

I have a 1996 Pontiac grand am gt and the fan


make shure relays are good and check temp sensor

Mar 24, 2010 | 1996 Pontiac Grand Am

1 Answer

How does the fan operates, does it starts and stop. Car shuts down, red light come near milage guage, have to let car cool down and start again. Can fan cause this problem? Pontiac Gran Am 1998.


the cooling fan should come on about 105-107C and shut off about 95-97C
does the car overheat just sitting running not moving
but if the car overheats on the highway then it's not the fan
check the fan operation run the car till the gauge is over half and watch the fan
if the fan woks then check coolant level if that's ok then try a thermostat
hope

Nov 18, 2009 | 1998 Pontiac Grand Am

2 Answers

2000 Grand Am Gt 3.4 V6 keeps overheating,


Thermostat, cooling fans, water pump, rad (not plugged wirth scale)

Jul 19, 2009 | 2000 Pontiac Grand Am GT

1 Answer

2000 pontiac grand am se v6 3.4 ltr My car keeps getting extremely hot, it has over heated in the past but since I've done all this work I shut it off before it gets that bad. I've noticed that the 2nd...


check the thermal switch for the second fan.disconnect the fan first and put 12v to it and see if it works.these are things i would check....fuse,relay, fan thermal switch(usually on the radiator,,and the fan itself.one fan is the cooling fan,the other fan comes on with the air conditioning.

Jul 03, 2009 | 2000 Pontiac Grand Am GT

2 Answers

04 impala overheats at stops


Low Coolant Level

Water Pump Going Bad

Cooling Fans Not Working.

Mar 02, 2009 | 2004 Chevrolet Impala

2 Answers

95 grand am radiator fan only runs with AC on


Cooling Fan Temp Sensor is the First thing You Check (with what you have described) Cooling Fan Should ALways come On When The A/C is turned On as A/C Adds A Load to Engine, If Temp Sensor is Faulty it Will Not Give GROUND Signal to ECM >For COOLING FAN >RELAY to Give ground and turn ON The Fan.
There ARE 2 temp Sensors that Serve Different Purposes 1 is for Dash READING GAGE & Or TEMP LIGHT the Other is For ECM or Fan Relay (SAME Thing) you Said>""can disconnect the sensor and fan continues to run" < This Leads me to think you Changed the Wrong One. Not Questioning your Skills Just Here to Help.
TEMP SENSOR FOR 3.1L V6 is Located upper RH rear of engine compartment, near exhaust system. Temp SENSOR for 2.3L Engine is Located in LH rear of engine compartment.
I Hope this Helps Lead you to a NON-OVERHEATING Pontiac.
Good Luck and Have A Great Evening. rejakwilson

Feb 04, 2009 | 1995 Pontiac Grand Am

1 Answer

Overheating 97 V6 pontiac grand am


1 Inspect Cooling System Mix Coolant level low or flow is restricted. grey_line.gif 2 Inspect Belt Incorrectly routed, adjusted, tensioned, missing, or worn water pump belt(s). grey_line.gif 3 Inspect Oil Pan Gasket - Performance Ruptured, cracked or leaking radiator hose. grey_line.gif 4 Inspect Radiator Cap Worn or damaged radiator cap grey_line.gif 5 Inspect Thermostat Thermostat stuck closed grey_line.gif 6 Inspect Fan Blade Broken, missing, or defective fan blade(s). grey_line.gif 8 Inspect Water Pump Damaged, worn or leaking water pump. grey_line.gif 9 Inspect Intake Manifold Plenum - Perform Leaking water pump gasket. grey_line.gif 10 Inspect Cooling Fan Control Faulty cooling fan control or circuit. grey_line.gif 11 Inspect Cooling Fan Switch - Radiator Faulty radiator cooling fan switch or circuit. grey_line.gif 12 Inspect Engine Temperature Sensor Faulty engine temperature sensor or circuit. grey_line.gif 13 Inspect Temperature Switch Damaged or faulty temperature switch or temperature switch circuit. grey_line.gif 14 Inspect Fan Clutch Worn, loose or faulty fan clutch. grey_line.gif 15 Inspect Ported Vacuum Switch Damaged, leaking, or faulty ported vacuum switch. grey_line.gif 16 Inspect Radiator Obstructed radiator core or radiator cooling fins. grey_line.gif 17 Inspect Head Gasket - Performance Head gasket leaking coolant into cylinders

Dec 01, 2008 | 1997 Pontiac Grand Am

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