Grinding Brake Rotors

courtesy of Bob, The Auto Answer Man

I have a 1998 VW Jetta. I have had the brake rotors and pads replaced once. At that time, the right showed little to no wear and the left was grinding metal to metal so I had both sides replaced. Recently, I noticed grinding noise again. The mechanic pulled the left, and sure enough, it was metal to metal. When he pulled the right there was almost no wear on the rotor. What would cause the uneven wear? He says that it's a bad caliper. How do I know if he is telling me the truth because until I questioned things he was just planning to replace the rotors and pads? In fact, he was not even going to take the right wheel off to check it before ordering parts.

The front wheels should get even breaking pressure. More likely than not, the right side caliper is sticking. If that does not solve the trick, then it may point to a bad abs pump (which is a lot more expensive and labor intensive).
Good Luck!
Drive Safely!
Bob, The Auto Answer Man

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