AFTER PURCHASING THIS FORD EXPLORER I CHECK ALL FLUIDS AND ADDED AND CHANGED AS NESSASARY ABOUT 2 WEEKS AFTER I PURCHASED IT MY STEPSON AND MY WIFE AND LARGE DOG WENT ON A LITTLE TRIP TO CHECK OUT THIS THING, AFTER LETTING OUT THE WIFE AND DOG MY STEPSON AND MYSELF TRIED TO GO UP A SLIGHT HILL IN 4 WHEEL DRIVE TO SEE IF IT WORKED, AFTER IT WOULDN'T MAKE IT UP THE HILL WE BACKED IT DOWN AND HEADED BACK FOR MY WIFE WHEN THE LEFT FRONT TIRE WHEEL AND BRAKE ASSY FELL OFF DUE TO THE PLASTIC PIECE FAILING INSIDE AUTOMATIC HUBS CAUSING C CLIP TO FAIL, I HAD TO CALL MY BROTHER IN LAW TO GET MY TRUCK AND TRAILER TO GET THIS THING HOME WHERE BY SKINNING MY KNUCKLES ON ROCKS TRYING TO GET THIS ON A JACK, I LATER WENT TO FORD TO TRY TO BUY JUST DAMAGED PART THEY WANTED 385 DOLLARS FOR WHOLE KIT WHICH NOW HAS A LOCKING DEVISE THAT WILL NOT ALLOW THE NUT TO FREELY SPIN OFF, I BELIEVE THE NEW PIECE IS NO LONGER MADE OF PLASTIC EITHER, I WENT TO JUNK YARD AND GOT A USED PLASTIC PIECE AND MADE MY OWN PERMANT LOCKING DEVISE TO KEEP THIS FROM HAPPENING AGAIN. FAULTY DESIGN.