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    Thread: 2.0 coolant expansion tank capcity

    1. Member dubdriver808's Avatar
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      10-02-2012 02:08 AM #1
      Anybody know how much fluid it can hold???

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      10-02-2012 04:51 AM #2
      Not much at all. Maybe a liter or so? Or are you asking about the entire system?
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    3. Member dubdriver808's Avatar
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      10-02-2012 12:45 PM #3
      Quote Originally Posted by ziddey View Post
      Not much at all. Maybe a liter or so? Or are you asking about the entire system?
      no just the resevoir .. wat bout a vr6 ?? would u know???

    4. Member ps2375's Avatar
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      10-02-2012 02:06 PM #4
      it the same part, so same capacity. it has no real bearing on how well the system works, other than giving an expansion volume for it. Has nothing to do with cooling ability.
      Tradition is the art of making the same mistake repeatedly, on purpose.

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      10-02-2012 04:06 PM #5
      i would say it has a capacity of about HALF a litre..

      gotta remember, you still need air space in the expansion tank so the coolant can expand and not puke out..

    6. Member dubdriver808's Avatar
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      10-03-2012 01:36 AM #6
      Quote Originally Posted by Glegor View Post
      i would say it has a capacity of about HALF a litre..

      gotta remember, you still need air space in the expansion tank so the coolant can expand and not puke out..
      yes this was my concern.. less air space??im thinking the vr has a bigger container .. if there was a larger resivoir

    7. Member dubdriver808's Avatar
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      10-03-2012 01:55 AM #7
      Quote Originally Posted by ps2375 View Post
      it the same part, so same capacity. it has no real bearing on how well the system works, other than giving an expansion volume for it. Has nothing to do with cooling ability.
      it cant be the same part.. and also having the smaller resevoir , my concern is that "am i maxing out my engines cooling system with a smaller container???" I have a vr in a cabrio.. letting alone that the vr are a hot running motor...

      its like having a pot of water, the one with half a pot of water will boiler faster than one with a pot thats full of water.. i dont know thats how i see it...My car doesnt overheat but the hottest my car gets is 212 in 75-80+ degree weather?? i just wanna try and get lower temps if possible
      i am already running a external oil cooler with low temp thermo and low temp fan switch.. i think if it were hotter id be over heating
      but check it out



      2.0 bottle



      vr6 bottle

    8. Member ps2375's Avatar
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      10-03-2012 02:00 AM #8
      The mkIV's use the same tank for all the motors, 2.0, TDI,1.8T and the 12V and 24V VR6's.

      The tank has nothing to do with the cooling abilities of your system. That would be more related to the radiator, water pump and the thermostat you have. A new radiator will bring your system to maximum efficiency if you have any doubts about how it is cooling.

      But, for whatever reason VW used two diff tanks in the mkIII's, I guess they found out later it didn't need to be that way.
      Last edited by ps2375; 10-03-2012 at 02:07 AM.
      Tradition is the art of making the same mistake repeatedly, on purpose.

    9. Member dubdriver808's Avatar
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      10-03-2012 02:32 AM #9
      Quote Originally Posted by ps2375 View Post
      The mkIV's use the same tank for all the motors, 2.0, TDI,1.8T and the 12V and 24V VR6's.

      The tank has nothing to do with the cooling abilities of your system. That would be more related to the radiator, water pump and the thermostat you have. A new radiator will bring your system to maximum efficiency if you have any doubts about how it is cooling.

      But, for whatever reason VW used two diff tanks in the mkIII's, I guess they found out later it didn't need to be that way.
      right on i jus wanted to know... i do have a new cooling system.. i forgot to mention its a vrTurbo..

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      10-06-2012 03:51 PM #10
      Quote Originally Posted by dubdriver808 View Post
      right on i jus wanted to know... i do have a new cooling system.. i forgot to mention its a vrTurbo..
      do you really think that adding a HALF LITRE (2-3 cups more) capacity to your cooling system is going to help out?

      if you have cooling problems, get a bigger radiator, not a bigger expansion tank..

      you could have a million gallon cooling system capacity, but without a big enough radiator, it will never work right..

    11. Member dubdriver808's Avatar
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      10-08-2012 12:56 AM #11
      Quote Originally Posted by Glegor View Post
      do you really think that adding a HALF LITRE (2-3 cups more) capacity to your cooling system is going to help out?

      if you have cooling problems, get a bigger radiator, not a bigger expansion tank..

      you could have a million gallon cooling system capacity, but without a big enough radiator, it will never work right..
      Im not having cooling problems it was jus a question...

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