Question about 2000 Pontiac Grand Am GT

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Car over heating

Car randomly will over heat and start spilling antifreeze out of overflow replaced both upper radiator hoses because they were sucking flat it doesn't over heat every time you run the car had a new thermostat replaced about 6 months ago checked oil doesn't seem to have water in it really baffled please help!

Posted by Anonymous on

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Kels,
The coolant is supposed to cool the engine. Because it is NOT circulating, the engine heats up. There is blockage somewhere - either the radiator or thermostate and perhaps your engine fan may not be working. Driving with temp. gauge above the mid point or nearing red may be dangerous and costly to fix. Have you flushed the radiator? Always make sure you have sufficient coolant. kels carefully look into the above and make sure no coolant leaks. Caution: not to open radiator cap or even hood while engine hot. If anything obvious not found, get your car to a radiator shop.good luck.

Posted on Apr 23, 2014

Testimonial: "okay thanks for treating me like an idiot.. i will open the radiator cap when i please and open the hood when the cars running cause im a rebal like that. and let it run out of coolant and warp my heads sounds like a great time"

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Make sure the thermostat is on right, usually coil into engine.

Posted on Apr 23, 2014

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You need to bleed the coolant system. You have an air pocket in the system. There should be a bleeder valve above or around your water pump. With the car running at normal temp, get a wrench and open that valve up. You should see air come out. Be careful not to burn yourself because when you open the valve, the steam will spray all around. make sure you fill your coolant res up before you start so you dont run out of coolant in the middle of doing this.

Posted on Apr 23, 2014

Testimonial: "done it"

  • Anonymous Apr 23, 2014

    and it still does this been bleed several times

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Posted on Jan 02, 2017

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SOURCE: Overheating

did you bleed air out coolant. if you did check engine oil when engine cool .could have a blown head gasket. if it look like milk shake . head gasket leak . reason blow no heat check see heater blower motor working.if yes . heat control unit or heat door not open in dash vacuum line to heat door actutator could be leaking.

Posted on Mar 24, 2009

  • 1348 Answers

SOURCE: Pontiac Grand Am SE running hotter than normal

check the fan switch and make sure the cooling fan is coming on.

Posted on May 22, 2009

Mechanic65
  • 142 Answers

SOURCE: 97 transport 3.4 engine- New radiator,

Are your cooling fans working? that will definately be a problem if not working. if they are working shut car off and feel the radiator is it the same temp all over or is it hot in only top or one smaller area. if you do not have same temp feeling on all of radiator your radiator may be plugged.

Posted on Oct 09, 2009

  • 5 Answers

SOURCE: 99 Firebird still overheating after repairs and antifreeze

overheating is most likely a bad thermostat, but the coolant loss is a second big concern. Does the exhaust look like steam? You could have a cracked block and the coolant is leaking into the engine. Also check the oil for contamination.

Posted on Feb 16, 2010

  • 3 Answers

SOURCE: no heat in car ,new coolant ,new thermostat

Had the same problem and turned out to be that the Heater Core was clogged. Took it to a Radiator shop and they blew the system out to unclog it. Cost was $25.00. 2005 Grand Prix.

Posted on Apr 04, 2010

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This is a guess. Replace the radiator cap and the hose connecting the radiator to the coolant reservoir. Then fill the radiator, engine, and heater hoses completely with antifreeze solution.

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