Question about 1994 Pontiac Grand Prix

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GRAND PRIX I PUT A NEW THERMOSTAT IN THE ENGINE BUT STILL HEAT UP

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My cooling fans arre not running.the fuses check good I took off ome fan motor,the motor winding checks good.Ionly get 9 volts at the connector.

Posted on Sep 28, 2008

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Are your electric cooling fans running?

Posted on Aug 27, 2008

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2006 Pontiac Grand Prix gxp overheats after only driving 10 to 15 miles the ac off for engine protection comes on then coolant hot mil comes on. What is the best suggestion for this fix?


First check to see if fan motors are working. If they are then sounds like new thermostat And after you put in new thermostat don't forget to bleed the air out of system with engine running. Bleed screws should be on manifold on front of engine. If you don't bleed the air out then it will overheat. I had same problem but the only thing I forgot to do after changing coolant and thermostat was bleeding the air. Good luck

Aug 08, 2013 | 2006 Pontiac Grand Prix GXP

1 Answer

No heat 94 pontiac grand prix


If the engine is reaching normal temp, and both heater hoses are hot, the problem could be a blend door under the dash.

Feb 13, 2013 | 1994 Pontiac Grand Prix

1 Answer

Coolant leak 2006 pontiac grand prix


These engines like the 3.8 usually have a intake leaking problem. Also the have plastic elbows on the passengers side of intake that go to heater hoses can leak also. Is it a 3.8 liter engine in your car. And where abouts does the fluid look like its coming from.

Jun 16, 2012 | 2006 Pontiac Grand Prix

1 Answer

Where is the thermostat located on a 1996 pontiac grand prix, engine is a 3.1


I JUST CHANGED THE RADIATOR IN MY PONTIAC AND IT STILL IS OVER HEATING. COULD IT BE THE THERMOSTAT? I REFILLED IN WITH COOLANT.

Feb 14, 2011 | 1996 Pontiac Grand Prix

1 Answer

My 2005 Grand Prix has no heat and my gas mileage is awful. would changing thermostat fix problem. also at night not sure if this has anything to do with problem only my blue temperature arrows light...


A FAULTY THERMOSTAT STUCK OPEN WILL EFFECT GAS MILEAGE AND CAUSE POOR OR NO HEAT CONDITIONS.THERMOSTAT NOT A HARD JOB TO FIX.ALL YOU NEED TO DO IS DRAIN OUT SOME OF THE COOLANT IN A DRAIN PAN.DRAIN COOLANT LEVEL BELOW THERMOSTAT.IF YOU HAVE 3.8L ENGINE THERMOSTAT HOUSING ON TOP INTAKE MANIFOLD.IF YOU HAVE 5.3L ENGINE FOLLOW TOP RADIATOR HOSE IT WILL LEAD YOU TO THERMOSTAT HOUSING.REMOVE HOUSING THERMOSTAT INSIDE THE HOUSING.IF YOU HAVE WATER INLET ANDTHERMOSTAT IN ONE COMPLETE UNIT OR HOUSING YOU HAVE TO REPLACE THE ENTIRE WATER INLET HOUSING WITH NEW THERMOSTAT.THIS TYPE UNIT WILL HAVE LONG PIPE WITH BYPASS PIPE WITH WATER INLET WITH THERMOSTAT. ONCE YOU REPLACE THERMOSTAT.IF YOUR RED ARROWS OFF AND HEAT STILL DONT WORK THE DEALERSHIP WILL HAVE TO CHECK IT OUT.WITH NEW THERMOSTAT AND PRESSURE CAP.MAKE SURE GET COOLANT LEVEL CORRECT.SEE HOW HEAT WORKS.IF NOT YOU HAVE A ELECTRICAL PROBLEM AT AC AND HEATER CONTROL SWITCH.

Dec 03, 2010 | 2005 Pontiac Grand Prix

2 Answers

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.

Feb 27, 2010 | 2005 Pontiac Grand Prix

1 Answer

PONTIAC GRAND PRIX 06' HEAT BLOWS COLD AND ENGINE OVER HEATS


if you are not loosing coolant and you are not hearing any noises then change your thermostat.

Jan 14, 2010 | 2006 Pontiac Grand Prix

2 Answers

2002 Pontiac Grand Prix Thermostat


as you face the engine the thermostat bell is on the right (drivers side) Follow the radiatoe hose. Remove the two bolts and raise the bell still attatched to the hose. the thermostat is there with the rubber seal. You can gently pry the thermostat out with a screwdriver or something similar. Put in new thermostat be sure it is the same as the old one, and then replace or change the seal (be sure it is the smae size and thickness as the old one as I got the wrong size from Napa) Then replace the bell, and tighten, but not over tighten. I hope this helps!

Dec 10, 2008 | 2002 Pontiac Grand Prix

1 Answer

THE CAR DON'T GET TO THE RIGHT TEMPERATURE


i dont think it needs a waterpump. what temperature thermostat did you put in? unless the fan is running all the time maybe. i would try another thermostat, the engine needs to be at least 195 degrees to produce decent heat.

Nov 19, 2008 | 2003 Pontiac Grand Prix

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