See if they will assist you under a "Good Will" policy. They may offer to split the labor, pay for parts if you pay for labor or vice versa. You've got nothing to lose. With a low mileage engine they MIGHT (big might). I used to pull wrenches in a Chrysler store many years ago and frequently Chrysler would step up in situations like this. That being said the economy is quite a bit different too now so they may not entertain anything in this direction now. Ya got nothing to lose by asking. Hiring a lawyer will get you no where as there is nothing to sue for.
'11 F15.0 SCREW, 3.73, 6.5' Box, XLT XTR Candy Red. 4X4.