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Originally Posted by g6civcx
Buying crappy remanufactured calipers. Improper installation.
Replace both sides.
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No, no. Replacing both sides will only do one thing, cost you more money. It's not shocks you're dealing with here. If it's a seized piston, then replace the bad caliper, there's no need to replace what isn't broken.
Now brake pads and shoes, that's a different story. Replace these in pairs (front and rear). Also one important tip, when you're mounting the pads on the rear calipers, pay particular attention to the mounting nubs on the backs of the pads. If you don't line these up right, you will get uneven pad wear and can lead to a failing piston due to the pad not being seated properly in the caliper. Interestingly enough I always hear of failing rear pistons and no one ever mentions the install process being faulty. More often than not, caliper failure is due to installer error.
The pad with the two nubs on the back goes on the inside touching the piston. The nubs are designed to keep the piston from rotating while you brake. The rotation is what allows them to retract, if the piston is rotating while you brake then you have some serious vibration and movement in the caliper that was not intended. Thus resulting in premature wear and failure. And believe it or not, but you CAN mount the pads in incorrectly and the brake will STILL go back together without you being the wiser.
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everytime i hear about this. its about the drivers side rear.
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That's mainly because you have more braking load on the driver's side due to the driver's weight (150-300lbs), resulting in more wear to that side.
GL