Posted 4/14/2024 15:38 (#10706582 - in reply to #10706375) Subject: RE: Vibration and low power Cummins 8.9
TJ325 should have a CAPS 8.9 L engine. Those had a roller camshaft/lifter setup that would occasionally break the roller off of the end of the lifter, causing a dead cylinder. Depending on which lifter failed, sometimes they don't make a lot of noise.
Vibration and low power Cummins 8.9
