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Originally Posted by blownv8au
Can you explain this pad knock off on the utes. i remember ford had troubles with the brembos on the rear of the utes, but i'd like to run the 4 pots on the rear.
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Basically the rear wheel bearings start to wear and you get a bit of float in the rear end so when a rigid mount 4 piston caliper is fitted to the rear of the utes the problem arises.
When you turn a corner the wear in the bearings causes sideways movement which inturn pushes the disc onto the pads that pushes the pistons back into the caliper and the brake pedal goes to the floor.The reason why it doesn't happen on a single piston caliper is that they have slides either side of the caliper which compensates for any movement.
This doesn't happen in all utes as some are not driven as hard as others or overloaded so the problem make take some time to come through and you can always replace the bearings or shim them up to reduce sideways movemen.Another option that has been used is the housing is machined out and the larger size rear wheel bearings are used to reduce wear and tear.