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What would stop the thermostat from opening on a 2002 Pontiac Montana?
Wiki User
∙ 12y ago
It doesn't matter. A thermostat is a non-serviceable item. If it is bad, you replace it. That probably isn't your problem though.
Wiki User
∙ 12y ago
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Why would a 2002 Pontiac Montana overheat while your idleing?
Low coolant Water pump not working properly Cooling fan not working Thermostat not opening fully Radiator plugged or dirty Check the radiator fan.
Why would a 1991 Pontiac be overheating upon starting the car?
No coolant Thermostat not opening Defective temperature sensor
Why would your 2000 Pontiac Montana be smoking and dripping water out the tailpipe after replaceing the thermostat and temp sensor?
small amounts of water coming from the muffler is normal but if its antifreeze its not
Why would the engine temperature in your Pontiac Montana 2000 not be rising despite driving 20 minutes the gauge does not rise and there is little heat to the cabin?
The thermostat is probably stuck in the open position.
What can cause a thermostat malfunction?
The primary cause of a thermostat malfunction is corrosion. It prevents the thermostat from opening and closing as it normally would.
Where is the thermostat on a 1995 Pontiac firebird?
Follow the top radiator hose, to where it intersects with the motor. This would be the thermostat housing. Remove this, and the thermostat will be exposed.
How big is the gas tank on a extened 2002 Pontiac Montana?
The gas tank in my extended 2000 Pontiac Montana is 25 gallons. I would imagine the 02 is the same.
How do you know if the thermostat needs to be replaced on a 2003 Pontiac Montana?
Two symptoms of faulty thermostat which would more than likely require replacement of same: (1) engine overheats quickly (2) engine takes too long or doesn't reach normal operating temperature
Why would my 2001 Pontiac Montana steering become almost not movable?
A common problem with the Montana is the power steering pump.
Why would a thermostat run hot and the car heater blow cold air?
Insufficient amount of coolant or thermostat not opening
Why would your heat stop working in your 1992 Pontiac grand prix?
coolant levels or the thermostat
Why would a 1998 Pontiac Transport Montana over heat when stopped after the thermostat coolant sensor water pump radiator intake manifold gasket radiator cap and all of the lines have been changed?
I have a 2000 Pontiac and my was doing the same thing. It turned out to be my heads were warped. You can smell it coming out of your tail pipe if it is your heads.
