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Engine vibration
2007 6.7 4x4, auto, 160k miles, airtex rear airbags. Truck occasionally tows 3 horse aluminum trailer with living quarters. Vibration can be felt at idle and increases proportionally with engine speed. Seems like harmonic dampener or torque converter. Will be installing used dampener on Tuesday...- daytona701
- Post #3
- Forum: 6.7L Engine and Transmissions (2007.5-2009)
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Engine vibration
Hi all, my 2007 1/2 6.7 has a high frequency vibration from engine idle to cruising speed. Can be felt in the steering wheel and floor boards/seat. First instinct was harmonic balancer but research has shown very little problems with 6.7 harmonic balancer. Vibration is engine speed related. Any...- daytona701
- Thread
- Replies: 3
- Forum: 6.7L Engine and Transmissions (2007.5-2009)
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Melted Battery Terminal
Hi, I'm new to this forum and to Cummins ownership. I have a 2007 6.7 that has the same problem. I got a check gauge on the dash and noticed the volt meter low. I checked the terminals and the positive on the drivers side was melted but not as bad as yours in the picture. I bought the truck...