So, I've noticed oil around the puck (CCV). could that be a hose going bad or something?

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"Never mind the maneuvers, go straight at "em," Lord Horatio Nelson

2005 Jeep Liberty CRD

The hose material there is not really intended to be saturated with oil nor does it have a clamp. If you pop it off and squeeze it, it's probably really soft at the tip. You can replace the line with the factory (or your own concoction) or you can put in a little hose clamp to keep it tight. If you do the latter, be careful not to torque it too tight (and crack the outlet of the puck).

Dan

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2005 Silver CRD Limited
245/75R16 GoodYear Duratracs
Fumoto drain | ProVent CCV Filter
Stanadyne FM100 filter | Cummins fuel pump
GDE Eco | SEGR | BoulderBars | FrankenLift | Frankenskids