Question about 1994 Pontiac Grand Prix

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I have a 1994 Grand Prix that keeps running hot and pushing the water in and out my over flow .Its a 3100

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To me it sounds like your thermostat is bad inside of the engine and is not opening when it is suppost to

Posted on Jul 14, 2009

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I have a 2005 Pontiac Grand Prix that is running hot. I have changed the water pump and the thermostat. Checked all hoses and they are good(no leaks) yet I'm still running hot. What's the next


find the bleed valve on coolant system and burp it. make sure you are using a good 50/50 mix of coolant.
maybe run a coolant system cleaner . maybe a clog?
if worst come to worst blow head gasket

Apr 13, 2013 | 2005 Pontiac Grand Prix

1 Answer

2004 grand prix temp running hot in idle heater and ac wont work and i hear water flowing behind the dash


Possible headgasket concern. First step should be CO leak detection test in cooling system

Jan 10, 2013 | 2004 Pontiac Grand Prix

1 Answer

My car running hot in blows cold air out of blower already replace thermostat and radiator relay switch for the fan


You may not be getting enough coolant to flow through you heater core. I worked on a car once where the core was badly calcified due to the owned using tap water as opposed to distilled water.

Nov 18, 2011 | 2000 Pontiac Grand Prix

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Friends car(2001 pontiac grand prix) 3.8 v6.started running hot,so he replaced thermostat. didn't help. so replaced water pump. helped very little. heater hoses cold to touch and blows cold inside. worked...


yes, but it's designed to drive the air out as long as you open the cap and run it until it's hot, keeping the radiator full. Eventually the air will come out and heater hoses should get coolant.

Sep 24, 2010 | 2001 Pontiac Grand Prix

1 Answer

Have 94 gran prix 3100 car would run by spraying gas in intake reaplaced engine crank sensor in back now acts out of time checked plug wires ok firing order ok help?


first i would replace fuel filter if this dont do it.
. fuel pump may not be good check fuse for pump
you should hear the pump running when key is on

Apr 19, 2009 | 1994 Pontiac Grand Prix

1 Answer

Dtknog@yahoo.com


Are you sure you put the thermostat in the right direction? The 195 degree copper bulb shold be on the bottom side. If it is a stock one.

Jan 26, 2009 | 2000 Pontiac Grand Prix

1 Answer

2002 pontiac grand prix over heating


Are your electric fans engaging or turning on?

Dec 26, 2008 | 2002 Pontiac Grand Prix

1 Answer

Heater


Thermostat stuck open or the heater core is plugged up

Sep 17, 2008 | 2001 Pontiac Grand Prix

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