the truck only have 61,000 miles and rear end is shot. i had the mechanic check rear it needed 2 pint of rear end oil. but the problem is still there. the truck have never had a leak from the rear end seal. or no leaks from rear. do not no what it will cost to repair. i'm saving up money to get truck repaired. if under warranty please email me. i bought the truck used with 13,000 miles