One problem related to oil pump has been reported for the 2014 Jeep Wrangler. The most recently reported issues are listed below.
Purchased vehicle 3/31/15. Put 400 miles on vehicle and noticed burning oil smell. Checked underneath and noticed significant oil leak all around engine coming from the upper part of engine. Took into shop and they diagnosed problem of the the oil filter adaptor part#68105583aa being cracked and oil pumping out of it. They called dealership(dewayne lane) in wa and they advised they "had plenty of those parts". Mechanic then said, "OH! it's a recall then. " dealer then stated, "ahhhhhhh. . . . No-but we sure replace a lot of those. ".