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wondering if anyone has had this problem,of the inner brake pads on a ford explorer wearing out while the outer ones hardly show any sign of wear?had front end checked and everything is good so i'm at a loss as to what problem is other than rotors or calipers.any ideas out there would be greatly appreciated.thanks.
If the pad on the piston side of the caliper is wearing but the other is not, most likely the caliper slide pins (or bolts) (if equipped) are not allowing the caliper to slide properly to get pressure on both pad surfaces. Remove and lube with the proper caliper slide pins grease, replace any missing or damaged rubber dust/water seals on the pins.
Dialtone
With my caliper bolts, I found I had to actually put them in a vice and wire brush them clean before reinstalling them. I live in Minnesota so we see lots of salt on the roads here.
thanks for info,his brake light and rear anti-lock light is staying on even after changing pads and rotors where mine go out,any thoughts on what that could be?
Well.....on my 91 it means the fluid level in the master cylinder is low. It has a float switch inside the tank, and once it detects low level, lights the brake light and the anitlock is disengaged and lights up also. Problem solved by adding fluid, and cycling the ignition key.
Dialtone
Could be low on brake fluid - there's a sensor on the master. Or could have a dirty speed sensor at the top of the rear diff. The tend to get coated with metal chips. Pull out, wipe off and reinstall. So changing front pads and rotors wouldn't help a rear only ABS system right? ABS doesn't see the front. But I did notice on my Durango with rear only ABS that the ABS light and the brake light stayed on when the fluid was low.
fluid on his 91 is good and everything from bearings to pads to rotors has been changed,unlike mine all i did was change pads and both lights went out.i'll let him know to check sensor on master and on diff.thanks for the info.
When you change the pads, you compress the calipers and fluid is pushed back up into the master. Fluid level raises and lights go out. Your buddy might have a bad sensor. I have heard where the float can become saturated and not float. Easy test, disconnect the sensor connector and if it's a normally open switch, the lights should go out.