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Old 05-25-2013, 12:23 AM
1999ram 1999ram is offline
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Default Hissssing when turning the motor off

Hello mopar truck experts, Can anyone tell me the hissing or air escaping from somewere when turning the motor off on my 1999 ram 1500 5.9
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Old 05-25-2013, 01:24 AM
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Most likely your AC compressor. Nothing wrong with it, just purging.
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Old 05-25-2013, 05:29 PM
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I'm sick and tired of these motherf&@king snakes on this motherf&@king truck
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Old 05-26-2013, 04:41 AM
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Check your gasket where the air box connects to the throttle body intake.
Mine made the same hiss when I shut off the engine, and I later found that the gasket was broken.
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Old 05-26-2013, 09:56 AM
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Its a Dodge Ram thing, its normal.
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Old 05-26-2013, 10:02 PM
1999ram 1999ram is offline
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Thank you guys.
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