humming noise

Jul 30, 2008 1 Replies
2004.5 Cummins TD 6spd. I have a noise I cannot pin down. When I decelerate, I get a noise that sounds similar to a tire running over gouged asphalt. A kind of low grade hum. It only seems to happen when I let off the accelerator. Any ideas Thanks guys
2004.5 Cummins TD 6spd. I have a noise I cannot pin down. When I decelerate, I get a noise that sounds similar to a tire running over gouged asphalt. A kind of low grade hum. It only seems to happen when I let off the accelerator. Any ideas Thanks guys

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