Colant System Pressure Test

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Mar 12, 2005 | 05:29 PM

Weasel's_Truck

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Colant System Pressure Test

I am Losing Coolant.

I put my pressure tester on the the radior today and the air bubbles up through the radiator any ideas why this is????

Mar 12, 2005 | 05:44 PM

Steina

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From: Lake Havasu City AZ

Do you get bubbles in the radiator with the engine running? What year, truck, engine are you testing?

Steve

Mar 12, 2005 | 05:56 PM

Weasel's_Truck

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No no bubbles comming back while the engine is runningas soon as i turn the engine off the coolant will flow out of the radiator. and it is a 96 Explorer 4.0

Matt

Mar 12, 2005 | 05:59 PM

Weasel's_Truck

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Sorry sorry sorry. just read my first post and there was an error the when i pump the tester the ther bubbles are through the resavour not the radiator

Mar 12, 2005 | 09:34 PM

midlf

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The pressure tester is not correctly sealing to the radiator neck. If the pressure tester does not seal, the radiator cap also may not seal. Take a close look at the neck and the sealing surfaces to see if that is the problem.