I'm doing my brakes, going to replace all rotors and pads..how do I know if I have 16.7mm or 22.7mm
05-02-2008, 06:52 PM
#13
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IIIRC ECS has an easy-to-understand visual depiction of measuring the two
types. Go to their website, pull up brake rotors for our cars, and scroll down the page. All you need is a ruler to figure out what you have.
05-02-2008, 06:53 PM
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Not for the rear rotors; I just replaced mine this past week used
only std. tools. Now, to replace the pads on the rears, you'll certanly be better off using on of the brake caliper tools you can get from Autozone for free (initial deposit required, fully refunded when you return the tool).
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Just to confirm, on '01 A6 2.7T Quattro i have the 8-pad HP2 caliper, 321x30mm rotors and 16.7mm....
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