Question about 1999 Pontiac Grand Am GT

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Where is the thermostat located?

I've looked behind the heater hose at top of motor and it's not there

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  • Pontiac Master
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Follow top radiator hose to the intake.look under the throttle body. you have to remove air filter. and throttle body to get thermostat out.

Posted on Apr 20, 2009

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Posted on Jan 02, 2017

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2 Answers

Where is the inlet heater hose located on a 2005 Hyundai Elantra?


You wouldn't even be able to see it from this angle. It will be on the firewall. There will be two hoses (rubber) next to each other that are the same size. They are likely 5/8" hoses. The inlet is typically on the passenger side. Make sure the hoses are rubber. The A/C lines run into the firewall near that area but they are metal.

Dec 29, 2014 | 2005 Hyundai Elantra

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No heat


If you have no heat in your vehicle then it is probably the heater core which is just a small radiator that sits behind the glove box. The thermostat itself is probably located where your top radiator hose connects to your engine. It is an easy and cheap fix, just pull the hose away after undoing the clamp and you should see it. If it is not there, then it will be in the bottom hose. Hope that helps you out.

Apr 20, 2013 | 1997 Buick LeSabre

1 Answer

Heater does not work


The heater not working.This problem is related to few possibilities 1) The thermostat can be faulty. 2) the heater blower motor resistor is faulty 3) The heater blower motor it self is faulty. ------------ The The blower resistor is behind glove-box on plenum.Connect the 12 volt battery directly to the heater blower motor and see,if the motor runs then its faulty resistor or thermostat.but if no motor running then its faulty motor. The thermostat is located at the top front of the engine.For easy access follow the top radiator hose.The top radiator hose goes in engine .Take that hose out and thermostat will be seen inside. --------- The thermostat and resistor are not very costly part.So you can directly replace them and see if its helping.First confirm motor is working,by directly by passing the blower motor to 12 volt battery. ------------ This will help.Thanks.Helpmech.

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Location of Temperature sensor


If 2.4 engine its on the top of the thermostat housing,if 3.3 or 3.8 engine its on the lower part of the intake manifold near the thermostat,if looking at eng from the front of vehicle its to the left next to a fitting that a heater hose is connected to

Sep 02, 2010 | 2001 Dodge Caravan

1 Answer

Just had radiator replaced, leak has developed around housing/gasket of hose running to passenger side just to side of engine and slightly behind. My mechanic doesn't know what the part is we are looking...


is it actually on the engine? I ask because you say it is to the passenger side and just behind the engine, that makes me think it is a heater hose, the heater hoses go from the water pump to the heater core which is located on the passenger side, the difference between heater hoses and radiator hoses is the size and of course location, heater hoses are generally about 1/2 inch to 1 inch, with radiator hoses being between 1 3/4 and 3 inches

Feb 09, 2010 | 1997 Acura CL

2 Answers

REPLACING THERMOSTAT FOR AUDI A4 2.8


The thermostaton a 2.8L V6 audi a4 is located behind the cambelt on the driver side. To reach in you need to remove the fornt bumper, slide the radiator upport frame forwards (dont disconnect anything) remove the driver side cambelt cover, SLACKEN the cambelt SLIGHTLY (DO NOT REMOVE IT) then you can slide the thermostat housing out from behind the cambelt followed ny the thermostat.

Jan 01, 2010 | 1997 Audi A4

1 Answer

The heater doesn't blow hot, where is the thermostat located?


well this may not be thermostat is truck staying cool or is it running at regular temp if so its not thermostat what you need to do is find the heater hoses that come from bulk head AND GET TRUCK WARM AND TOUCH THE HOSE SEE IF BOTH OF THEM ARE HOT IF THEY ARE THEN IT COULD BE THE BLENDOOR MOTOR OR THE BLENDOR COULD BE BROKEN VERY COMEN ON THIS TRUCK BUT THE THERMOSTAT IS EASY TO FIND FOLLOW TOP RADATOR HOSE TO MOTOR AND THAT IS THERMOSTAT HOUSING AT THE END OF HOSE AT MOTOR END HOPE THIS HELPS

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2 Answers

No Heat


Hi, the flaps that direct the air for either hot or cold air works with servos situated against the heater box. The grinding noise was the gears on the inside of the servo stripping. After numerous reset processes (switching the car on and off), the servo was reset to its normal state which is in the cold direction. You will have to replace the servo in order for the heater to work again.

Oct 01, 2009 | 2003 Mitsubishi Galant

1 Answer

Heater air Flow is cold


The thermostat is located on the top hose coming off the radiator. It's a 2-3 inch diameter hose, there should be two coming off the engine block into the radiator. If you look, it's almost always the top hose. You can see two or three bolts and a clamp around the hose going into the top of the thermostat. A new thermostat is around $30 - $60 depending on the car. You will need two quarts of antifreeze and I also suggest getting 'indian head' gaset sealer, put this only on the engine block side of the thermostat. Let me know how it works out and if you need more help.

Dec 27, 2008 | 2005 Nissan Pathfinder

1 Answer

Running Hot


Sounds like the water pump.Check if you see coolant or coolant residue behind the water pump pulley.

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