Chances are more to get a working part rather than an lemon, at least for the first couple days. Another alternative is to get a known good part, and that can only come from a known working crd, which may be a problem for flash. I'd just go swapping alts till this fixes the issue, at least they have lifetime warranty.

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2005 kj CRD, samco, suncoast tc, provent, Kennedy lift pump, GDE ECO full torque, 2nd gen filter head, 245/70/16 a/t tires, mopar light bar, fumoto oil valve, OEM Skid Plates, ARB Front bumper and HD OME, tru cool LPD47391 40k GVW tranny cooler (stock cooler delete), FF Dynamics e-fan and shroud, rocker arms replaced, HDS2 190F thermostat.

A thread from a few years ago discussing the same problem
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=59160

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U.S. Army Retired

Is there a post anywhere with the location and pictures of the grounds?

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2006 Jeep Liberty CRD 142,000 miles New engine 2-2014, Green Eco tune, FS2500 bypass filter Weeks elbow, European Torque converter, brakes front UCA's wheel bearing and front hubs. Front hitch OEM lift pump
98 K2500 Suburban 6.5td
96 K1500 " 6.5td
95 2 door Tahoe 6.5td
94 K3500 cc srw 5 speed 6.5td
91 International Model 6 speed spicer 4700