Question about 2002 Volkswagen Beetle Turbo S

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MY VW NEW BEETLE 2002 TURBO ENGINE IS OVERHEATING. WHEN THE COOLANT EXPANTION TANK IS CONNECTED, ALL THE COOLANT IS GOING OUT THROUGH THE TANK EXHAUST. OTHERWISE, IF THE SYSTEM IS WORKING WITHOUT THE TANK, THERE'S NO PROBLEM EVEN WITH THE AIR CONDITIONER ON. WHAT CAN I DO?

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  • gneccojosema May 02, 2010

    THANKS FOR YOUR FAST ANSWER.



    IS IT POSSIBLE THAT A MALFUNCTION OF THE THERMOSTAT CUASE THE OVERHEATHING?

  • gneccojosema May 02, 2010

    I AGREE MITH THE SOLUTION NUMBER 1, BUT I NEED MORE ASSISTANCE.

  • gneccojosema May 03, 2010

    THANKS

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Sounds like you have a blockage somewhere. Its normal for coolant to be expelled into the tank (doesnt mean its overheating). Is your gage running hot? Also if your coolant bottle isnt sealed it could be causing the rad not to reach the desired pressure and isn't circulating properly. Make sure you have a good seal on the hoses and cap for overflow bottle.

Posted on May 02, 2010

  • James Brooks
    James Brooks May 03, 2010

    Yes, if the thermostat isnt opening all the way it's not allowing proper flow of the coolant and can cause a overheating condition as well. You can test it by taking it out and putting it in a pot of boiling water and it should open fully. A new one is usually about $15-$20 so a very inexpensive fix if its the problem. Good luck!

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