Question about 2005 Pontiac Grand Prix

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How to get air out of the coolant system?

System is air locked and runnig hot

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  • 284 Answers

You can take the radiator cap off when cold and let run till thermostat opens and air bubles through hole. This will cause you to loose some antifreeze but you refill it while car is running. You may have a tube on tope the intake manifold usually on the left/drivers side that can be loosened once car is warmed up. If you go the cap route and the antifreese continues to blow out after filling, you have a blown head gasket.

Posted on Jan 18, 2013

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6ya6ya
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Posted on Jan 02, 2017

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Ajkill
  • 2035 Answers

SOURCE: Can't get coolant flow after changing the thermostat

Check the thermostat in boiling water if its opens then its good or if it does not open then thermostat is defective replace it ....


Good luck...

Posted on Jan 20, 2009

alicantecoli
  • 22156 Answers

SOURCE: coolant system

think it needs more coolant added when engine is cold

Posted on Jan 18, 2010

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1 Answer

2005 Pontiac Grand Prix running hot - no leaks found in coolant system may be air locked or what?


Did you do a pressure test and do a leakdown test on coolant system? There's a bleeder connector on the drivers side if the intake that you can open once warmed up. Air bubbles will come out till antifreeze flows smoothly'

Jan 18, 2013 | Cars & Trucks

1 Answer

The heating system doesn't get hot anymore, all of the sudden.


Got enough coolant in the system to circulate through the heater core? Do the heater hose get warm/hot? Should be hot. Look in the radiator fill hole when the engine is COLD to check the level inside the radiator. Should be some coolant in the overflow tank too. A worst case scenario could be a blown head gasket causing the cooling system to air-lock and not circulate coolant.

Nov 21, 2010 | 2001 Mazda Protege

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Why my 1999 oldsmobile alero runnig hot after I've gotten it fix


there may be air trapped in the coolant system. the fans may not be connected since you had the radiator replaced. bring it back to the mechanic who did the work and tell him your not satisfied.he should be responsible for the discrepany.

Apr 23, 2010 | 1999 Oldsmobile Alero

1 Answer

No heat


Either your heater core is plugged or the system has an air lock. To cure an air lock loosen the rad cap, not the overflow, to the first notch and run the truck for a day or two. Check the coolant level often and keep it topped up. If this doesn't solve the problem you could try a "reverse flush" on the system to loosen up whatever is blocking the heater core, otherwise you'll have to replace the core. Hope this helps.

Feb 08, 2010 | 2000 Chevrolet Silverado 1500

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I OWN A VOLKSWAGEN PASSAT, JUST BOUGHT IT NOW THE HEAT BOLWS OUT COLD AIR WHAT SHOULD i CHECK OR DO


Check operation of the heater coolant on/off control valve and operating mechanism.
Check thermostat is installed and working OK - replace if in doubt.
Check if coolant heater supply hoses are warm/hot when coolant valve on.
If hoses are cold (no coolant flow evident) check coolant system is properly filled (bleed system as necessary to remove possible air locks).
If still no coolant flow check heater system for blockage.
If all above ok, check heater unit air control vanes operation.

Jan 22, 2010 | 2001 Volkswagen Passat

1 Answer

My 1997 bmw 318 ti keeps over heating


check your hoses see if when runnig they close up,if not loo for vents for letting are out of the system if ther is a air pocket inyour coolant system it willcause the engine to overheat make sure to run the heat when refilling coolant system. if this fails to solve your problem look for a gurgling sound coming from the rad or over flow tank look for this when engine is cold and runnig if you do hear this then you might have a blown head gasket.you can buy a blown headgasket detection kit from your local auto parts store if you do hear or see this symtom.

Nov 10, 2009 | 1999 BMW 318 ti

1 Answer

1997 2.4L Chevy Cavalier LS; Low Coolant Indicator and Temp Gauge


take the cap off of the radiator (whil engine is cold) start and run the vehicle. keep runnig 30mins after the vehicle is hot keeping notice of the rad fluid level.
keeping the cap off will prevent the pressure build up that woiuld keep the air in the system, keep adding water or antifreeze as the level goes down. this may take an hour or so.
also with the cap off, you will be able to see if your water pump is operating correctly. you will visibly be able to see movement in the rad when the pum is engaged.

May 26, 2009 | 1997 Chevrolet Cavalier

1 Answer

03 jetta heater


Hi!
Looks like a classic air lock scenario! you need to perform a system bleed.
Park vehicle on level ground, when cold remove coolant filler cap. Start engine and leave to idle, turn heater to hot blower on full.
When at operating temp stand clear of coolant filler area, listen/watch hopefully gurgling and a boil over, top up when settled with very warm water/coolant, wait as it may do it a couple of times. Check for heat inside vehicle if hot and coolant settled replace cap but watch temp gauge for a while as another air lock may be in the system.
Please press the Blue button when sorted!
Paul 'W' U.K.

Jan 28, 2009 | 2001 Volkswagen Jetta TDI

1 Answer

Water pump problem?


You need to make sure you don’t have an air lock. Find the bleeder valve for the coolant system and release the air. If you can’t find the bleeder, find the highest hose for the coolant system and make sure coolant is flowing through it.

Jul 05, 2008 | 2000 Jaguar S-Type

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