Question about 1994 Pontiac Grand Am

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Pontiac Grand Am cooling system

I have a 98 Grand Am that the coolant level light keeps coming on. When I fill the surge tank it will go off for a few seconds after I start the car. but then come right back on. The only place I can see any coolant coming out is from what I think is the overflow, but dont really know. It looks like a little rubber elbow coming out of the firewall pointed down. When I turn the car off the fluid coming out of the elbow is very evident. I dont see any other place that is really leaking any fluid. I would think its the intake manifold except for whats coming out of the rubber elbow.

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IF THERE IS ENOUGH HOSE, YOU MAY BE ABLE TO CUT THE END OFF THE RUBBER ELBOW AND CLAMP IT BACK IN PLACE. OR PERHAPS THE FITTING ON THE OVERFLOW TANK MAY BE LEAKING. YOU SHOULD BE ABLE TO FILL THE OVERFLOW WHILE THE VEHICLE IS RUNNING. PLEASE KEEP ME INFORMED. GOOD LUCK. THANKS FOR USING FIX-YA. AND THANK YOU IN ADVANCE FOR AN HONEST RATING.

Posted on May 09, 2009

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A rubber elbow coming out of the firewall is probably the a/c evaporator drain. However, the heater core could be leaking and entering the evaporator case and coming out of that drain. Are you sure coolant is coming out of that elbow and not plain water?

Posted on May 09, 2009

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Posted on Jan 02, 2017

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SOURCE: water leak overflow hose......

The hose you are referring to is the drain from the heater box...gets rid of condensation from the a.c. don't connect it to anything. But, If any antifreeze (not plain water) is coming out of there, then you likely have a heater core leak. That said, if the engine is not running hot and you aren't loosing antifreeze, the level sensor in the tank is bad.

Posted on Jun 15, 2009

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1 Answer

How do you bleed the air from the cooling system of a 1999 v6 pontiac grand am


Refilling Procedure




Notice: When adding coolant, it is important that you use GM Goodwrench DEX-COOL?"¢ coolant. If coolant other than DEX-COOL?"¢ is added to the system, the engine coolant will require change sooner: at 50 000 km (30,000 miles) or 24 months.






  1. Close the radiator drain cock.


  2. If previously removed, install the engine block drain plugs.


  3. When installing the drain plugs, use pipe sealer GM P/N 12346004.




    Important: On vehicles equipped with the 3.4L engine, open the coolant air bleed valve. The coolant air bleed valve is located on the top of the thermostat bypass pipe/heater pipe assembly. Close the valve once a continuous stream of coolant is expelled from the valve.



  4. Fill the surge tank to the base of the filler neck.


  5. Start the engine with the pressure cap off. Run the engine until the upper radiator hose starts to get hot.


  6. If the coolant level in the surge tank is low, add the proper mix of coolant until the level reaches the full cold line.



  7. Important: After servicing the cooling system, and if the vehicle is equipped with an intermittent low coolant light, an occasional low coolant light may be encountered during some extreme driving maneuvers. This complaint should be eliminated by removing the surge tank cap and adding coolant to a level just at or above the full cold line when the system is cold.



  8. Install the cap onto the tank with hand tight pressure.



Recycling Procedure




Important: Dispose of used coolant in a proper fashion, such as in a used coolant holding tank. Never pour used coolant down the drain. Ethylene glycol antifreeze is a very toxic chemical. Disposing of ethylene glycol antifreeze into the sewer system is both illegal and ecologically unsound.



There is currently no approved method for recycling used DEX-COOL?"¢ coolant into new DEX-COOL?"¢ coolant. DEX-COOL?"¢ coolant can be recycled into new conventional coolant. Consult local listings for coolant recycling facilities in your area.

Dec 31, 2015 | Pontiac Cars & Trucks

1 Answer

2004 pontiac grand prix keeps losing coolant


Have a cooling system pressure test done Check for leaks at the welsh plugs in the side of the block and at the back of the head/s.

Apr 08, 2013 | 2004 Pontiac Grand Prix

1 Answer

Where is the thermostat located on a 2001 pontiac grand am SE, 6 cylinder automatic


Follow the hose from the coolant reservoir to the engine. The thermostat is behind the housing where at hose connects. Below are instructions from autozone.com. Recommend you also read my post at http://www.fixya.com/cars/r5929960-s_thermostat, and thanks for using FixYa.


3.4L Engine

  1. Drain the cooling system.
  2. Remove the air cleaner.
  3. Remove exhaust crossover pipe.
  4. Disconnect the surge tank line fitting from the coolant outlet.
  5. Remove the thermostat housing to intake manifold bolts.
  6. Remove the thermostat housing outlet and thermostat
  7. Clean the mating surfaces.

To install:
  1. Install the thermostat and housing outlet.
  2. Install the thermostat housing bolts. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm).
  3. Install exhaust crossover pipe.
  4. Connect the surge tank line fitting to the coolant outlet. Tighten the fittings to 15 ft. lbs. (21 Nm).
  5. Install the air cleaner.
  6. Fill the cooling system.
  7. Inspect the system for leaks.

Dec 20, 2010 | 2001 Pontiac Grand Am SE

1 Answer

I realise my engine lights comes on high coolant temp and when i opened the hood ,the coolant was dripping from the container you fill it at,can you please tell me possible problems


Depending on your system (either sealled radiator without a cap and a pressurized surge tank or standard radiator with cap and an overflow tank) either the radiator/surge tank cap is not holding pressure and the coolant is unable to pressurized and boils at a lower temp, boiling off until you coolant level is so low the engine overheats. More than likely it is either the thermostat or water pump. Commonly it is the thermostat

Dec 14, 2010 | Pontiac Aztek Cars & Trucks

1 Answer

Where to locate the thermostat on an 03 pontiac grand am?


Not sure which engine you have so please pick the appropriate engine:

2.2L Engine
  1. If equipped with an automatic transaxle, remove the exhaust manifold, as outlined in this section.
  2. Drain the cooling system.
  3. Remove the thermostat housing to water pump feed pipe bolts.
  4. Remove the thermostat housing to water pump feed pipe.

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Thermostat mounting-2.2L engine


3.1L Engines

  1. Disconnect the negative battery cable.
  2. Drain the cooling system to a level below the thermostat housing.
  3. Remove the air cleaner assembly.
  4. Disconnect the surge tank line from the thermostat housing.
  5. Remove thermostat housing-to-intake manifold attaching bolt and nut, then remove the housing.
  6. Remove the thermostat.

3.4L Engine
  1. Drain the cooling system.
  2. Remove the air cleaner.
  3. Remove exhaust crossover pipe.
  4. Disconnect the surge tank line fitting from the coolant outlet.
  5. Remove the thermostat housing to intake manifold bolts.
  6. Remove the thermostat housing outlet and thermostat
  7. Clean the mating surfaces.

Nov 01, 2010 | 2003 Pontiac Grand Am

1 Answer

How do i add coolant to 98 pontiac grand prix


most newer car fill the radiator thru a coolant tank in the engine compartment.it should have a screw on lid with a hose runnung to the radiator make sure the engine is cool before removing the lid and only fill it to the full cold line. dont forget to give me a vote if this helped you

Sep 18, 2010 | 1998 Pontiac Grand Prix

1 Answer

Where is the thermostat located on a pontiac grand am 2004 v6 3400


3.4L Engine

  1. Drain the cooling system.
  2. Remove the air cleaner.
  3. Remove exhaust crossover pipe.
  4. Disconnect the surge tank line fitting from the coolant outlet.
  5. Remove the thermostat housing to intake manifold bolts.
  6. Remove the thermostat housing outlet and thermostat
  7. Clean the mating surfaces.

To install:
  1. Install the thermostat and housing outlet.
  2. Install the thermostat housing bolts. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm).
  3. Install exhaust crossover pipe.
  4. Connect the surge tank line fitting to the coolant outlet. Tighten the fittings to 15 ft. lbs. (21 Nm).
  5. Install the air cleaner.
  6. Fill the cooling system.
  7. Inspect the system for leaks.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Nov 23, 2009 | 2002 Pontiac Grand Am

1 Answer

Water leak overflow hose......


The hose you are referring to is the drain from the heater box...gets rid of condensation from the a.c. don't connect it to anything. But, If any antifreeze (not plain water) is coming out of there, then you likely have a heater core leak. That said, if the engine is not running hot and you aren't loosing antifreeze, the level sensor in the tank is bad.

Jun 15, 2009 | 1994 Pontiac Grand Am

1 Answer

Low coolant light on in my 98' Grand Am pontiac.


if the vehicle is cool check the radiator level ...if low top it off then fill the coolant container to the maximum level

Nov 16, 2008 | 1998 Pontiac Grand Am

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