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3800 pontiac coolant drain plugs in the block

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

emissionwiz
  • 75822 Answers

SOURCE: engine block coolant drain plug location

They are on the side of the engine block, there will either be a pipe plug or a sensor in the threaded hole(s)

Posted on Aug 25, 2008

  • 169 Answers

SOURCE: Engine block coolant drain plug

Unfortunately g.m. screwed the knock sensor into the drain port on the block. It is on the rear of the engine between the eng. and the trans.. If you are flushing the system out then just remove the thermostat (also under the car on the bottom of the engine) and flush the system out. anticipate the water left in the system by adding aprox. 1/2 gallon of straight coolant concentrate before adding the 50/50 mix. Good luck ,hope I helped

Posted on Aug 30, 2008

  • 2920 Answers

SOURCE: Draining the Engine Block of Coolant.

the drain plug is under the front of the truck on the drivers side back of the radiator. you have to turn it to open it .

Posted on Mar 01, 2009

alicantecoli
  • 22156 Answers

SOURCE: location of the radiator drain plug for 2001 Pontiac grand prix

doesnt have one ,remove the bottom hose

Posted on Sep 05, 2009

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Gort007
  • 1187 Answers

SOURCE: Where is the coolant block drain plug located on

None on the block, other than freeze plugs...
The only drain is on the bottom of the radiator (you knew that)...

I installed a Prestone motor flush kit and it flushes just fine, but does not "empty" the engine cavities. This is better, anyway.

You have to splice a "Tee" fitting into a convenient heater hose (highest one).

Hope this helps..

Posted on Sep 10, 2009

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How do I replace heater hose fitting elbow


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2006 pontiac grand prix smells antifreeze in car


Is there coolant leaking inside the car? Check the floor under the passenger side dashboard. If the carpet is wet your heater core is leaking.

If the floor is dry check the coolant elbows going from the block into the automatic belt tensioner. That's inside the engine compartment. They are notorious for leaking. You may not be able to see the leak because it drips onto the block and evaporates. That's what the smell may be.

Search google images for "3800 series 3 coolant elbow" to see the part I am talking about.

The only way to find a coolant leak is to pressurize the cooling system. You can rent a coolant pressure tester from an auto supply store. Pressurize the system and look for leaks. You may have a leaking water pump.

The elbows can be purchased from the dealer. The water pump you can get from an auto supplier. Might as well change the thermostat while you are doing the other repair. Drain the cooling system and refill with fresh dex coolant.

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Hello i recently 'i think' blew my engine about a week ago i have a 2006 pontiac grand prix 3800 v6 i checked the RADIATOR and it had oil but the oil doest have water. help


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May 28, 2011 | Pontiac Grand Prix Cars & Trucks

2 Answers

How to drain radiator


hello. on the drivers side of radiator is a drain. here is a picture and the instructions for draining the coolant out.



  • Install a tube on the radiator drain. Place the end of the tube in the drain pan.
  • After the engine cools down, remove the radiator cap.
  • Completely open the radiator drain ****.
  • Allow the coolant to drain from the system until the flow stops.
  • Place a drain pan under the block drain hole plug.
  • Remove the drain hole plug from the engine block.
  • Allow the coolant to drain from the block until the flow stops. There may be more drainage from the radiator at this time.
  • Install the block drain hole plug.
  • Close the radiator drain ****.


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    Where is the drain plug for the radiator


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    Mar 31, 2010 | 2001 Jeep Cherokee

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    The car(pontiac firebird 3800 v6)overheats and


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    Jul 14, 2009 | 1999 Pontiac Firebird

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    Draining the Engine Block of Coolant.


    the drain plug is under the front of the truck on the drivers side back of the radiator. you have to turn it to open it .

    Mar 01, 2009 | 2000 Pontiac Montana

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