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3306 cat

Old 07-07-2019, 02:51 PM
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3306 cat

: I have a 3306 I top off coolant it blows out 2 gallons but donít overheat steam comes out of overflow is that a head gasket problem
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Old 07-07-2019, 04:51 PM
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A test with an electronic sniffer for combustion gas in the radiator should answer that question......Ben
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Old 07-08-2019, 03:50 PM
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You can also use ph test strips on the coolant- take a reading from fresh coolant and compare with used coolant at low hours- more acidic usually tells you that CO2 is getting into the coolant.

On the Cats I saw some bad T-Stats overheating the engine in the head, the steam in the head pushed the coolant out of the overflow, while the temp gauge read low..
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