Excessively loud exhaust around 2000 RPM
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Joined: Jan 2006
Posts: 473
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From: So. Cal.
Originally Posted by dediesel
Brand New auto quad cab. Exhaust is very loud around 2000 RPM under a mild or greater load. Seems to come from the muffler. This seems to happen at about any speed under these rpm and load conditions so I hope that it is not the 70MPH vibration that I have read about. It can be heard while accelerating in any gear above 1. I have driven other similar Cummins and have not noticed it.
Your ideas are appreciated!
Your ideas are appreciated!
Mike
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