Question about 1993 Volkswagen Passat

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What do i need to do with my car.

Ok i've had the car for about 2 months now. When i first got it i would just have to check the water to make sure there's water in there. So when i get up in the morning i put water in there then i can drive it all day. Now for about a week now i would have to put water in there every time i stop, even at a red light for a long time. Then as soon as i turn the car off it overheats, The water would bubble up from the heat rise to the top of the water jug and then empty out. I wait a few min. or so then put water in there and get back on the rode. As soon as i stop the same thing happens again. What is going on with my car? What do i need to do with it?

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When you add coolant VWs are notorious for water bubbles.So you need to make sure when you add coolant allow the vehicle to come up to temp and add coolant to attempt to "Bleed" the cooling system.Try it.Also on the overflow the o-ring gets old and doesn't hold the required 20 PSI pressur.Caps are notorious as well.Hope this helps.

Posted on Mar 01, 2010

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Sounds like you need to change your thermostat.Seems like its sticking closed.Possibly the rad.cap.And as the other solution stated there is a secondary electric water pump in engine compartment close to manifold connected w/hoses(usually you can even hear it)Hope this helps.

Posted on Nov 02, 2009

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Find the leak?  My car used to leak coolant fluid (cold climate) so it was easy to spot the leak. It was the secondary water pump. I got a used one for $30 and problem solved. cheers

Posted on Nov 10, 2008

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