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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
I replaced my originals at 100,000 miles with GOOD quality replacements. Timkens in the front which I installed. SKF's in the rear that were installed professionally. Now at 163,000 miles, still all quiet (knock on wood!). Are you sure of the quality of your replacements?
I had an issue with my 09 explorer where I went through 3 sets of hubs in about a year. The issue (I think) turned out to be with the brake calipers. The pistons had seized and were creating an out of plane stress on the bearings, ruining them. I fixed the pistons, and so far, havent had any further issues with the hubs. This is a fairly easy check, just take the brake caliper off and see if all the pistons move. If not, I would replace the caliper assembly.
It could be my driving habits. I got over 50,000 miles on each of the first two sets, original and 1st replacement both were Motorcraft. Unfortunately the third set was not Motorcraft and failed after the one year warranty. Motorcraft changed their warranty in 2013. It now reads:
New Service Parts Warranty (U.S. Only): Unlimited Mileage, 2 Years, Labor Included and No Commercial Exceptions
“Labor may have a limit. See your seller for a copy of the limited warranty. Do-it-yourself customers are not eligible for labor reimbursement.
I did find out later that the last failed set was installed with an impact wrench and no torque wrench. BIG NO NO. Go to Timken web sight and check out the Solutions section, they have several downloads available