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Re: test for frozen calipers & warped rotors (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Rich on November 24, 2000 at 10:42:02:

In Reply to: test for frozen calipers & warped rotors posted by bo rose on November 24, 2000 at 09:52:44:


My car continues to shake violently between speeds of 50 - 65 mph. Have had control arms replaced and bushings. How do I check or how can I tell if the rotors are warped. How do I check to see if calipers are frozen. Thanks!!!

Rotor warping is typically checked with a dial indicator and magnetic mount. The dial w/mag mount are set up to touch the rotor as the rotor is turned. Variations in surface flatness then show up in the measurements. Look for anything greater than 0.01" But each company will have different specs.



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