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A/C ? What is it?

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Old 05-11-2007, 02:00 PM
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A/C ? What is it?

Im new to the diesel world but when I run my AC then turn my truck off it make a noise (sound like a bark) is this normal?
Old 05-11-2007, 02:05 PM
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Mine kinda does the same thing, but i try to make sure I turn everything off before i turn the truck off. Also, i notice a loud cluning noise sometimes when i change the direction of the **** (panel, floor, defrost) I think they are flaps that make a bunch of noise.

Would be nice to know about the barking to make sure everything good!
Old 05-11-2007, 02:13 PM
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Would be nice to know about the barking to make sure everything good![/QUOTE]

Hopefuly somebody knows what it is! If not im taking mine to the dealer and asking them what it is.


Im trying to avoid that if I can.
Old 05-11-2007, 02:15 PM
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I'm sure it's fine. These engines have a lot of compression and that keeps things turning a tad longer than they should after shutdown. It's most likely just your belt slipping a little on the A/C compressor pulley.

You should hear an old 12V 1st gen shutdown!
Old 05-11-2007, 02:30 PM
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there was a tsb a year or 2 back about the belt slipping on the alternator(IRCC) that installed a clutch on the pulley to stop the chirping.
Old 05-11-2007, 06:52 PM
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It's torque chirp. It's normal. If your truck doesn't do it then you need some more mods..........




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