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		Chevy and GMC Duramax Diesel Forum > Chevy / GMC truck Non Powertrain Forum > 2001 - 2007.5 (GMT800) Non Powertrain
funny sound?

2001 - 2007.5 (GMT800) Non Powertrain Discussion of 01 to 07.5 Topics Not related to the Powertrain, interior, suspensions, body,wheels, tires, ect.

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04-07-2007, 07:06 PM

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jrfoster

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funny sound?

If I am on the interstae and kick my duramax up to around 85 or so and then let off the pedal I get a funny knocking noise. It doesnt last long and sounds like a gas engine knocking. Any ideas would be greatly appreciated. Thanks

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White 05 Duramax 4x4 crew K&N air intake, No kitty, Predator, 4" MBPR 409 exhaust, White gauge cluster, billet grill. Westin all the way around.

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04-08-2007, 06:40 PM

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TurboBeagleBuggy

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possibly timing rattle from the injectors

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05 CC/SB HOUND DOG EXPRESS
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04-08-2007, 07:31 PM

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jrfoster

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serious? something to worry about? is there a fix?

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White 05 Duramax 4x4 crew K&N air intake, No kitty, Predator, 4" MBPR 409 exhaust, White gauge cluster, billet grill. Westin all the way around.

04-09-2007, 02:55 PM

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TurboBeagleBuggy

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What version is your Edge box? there may be an update for it.

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05 CC/SB HOUND DOG EXPRESS
Up on stands, broke down & being rebuilt a little at a time

04-12-2007, 02:23 PM

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jrfoster

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GM version 1.5

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White 05 Duramax 4x4 crew K&N air intake, No kitty, Predator, 4" MBPR 409 exhaust, White gauge cluster, billet grill. Westin all the way around.

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