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replacing front rotors (HP2 calipers). do i remove 2x 21mm bolts or the 7mm ones?

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Old 05-18-2008, 07:09 AM
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Default I like the mallet idea, but... grease?

Do you perhaps mean antiseize?
Old 05-18-2008, 07:11 AM
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Default Grease before install: use proper Anti sieze....

Get into this habit now. I am now to the point where i'm ripping into areas where i've previously worked, and gosh is it nice when there isn't any stuck bolts despite years of mag chloride attack.
Old 05-18-2008, 05:36 PM
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I used a small breaker and a large wrench @ 90 degrees. Worked perfectly.
Old 05-18-2008, 07:00 PM
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Default thx for the suggestions folks. gotta get some anti-seize, bigger breaker, and try again next week.

i only pulled a couple of the pads on the front side out, so i just put everything back and pumped the brakes to set the pads back.

As an aside, it gives me a chance to get some good brake cleaner too. When I bought the ar last year, it had a torn cv boot on that side an had slung grease all around that area for some time. The boot is fixed now, but the grime is coated pretty thick.
Without disconnecting everything, what's the best way to get to that 90% clean level?
Old 05-18-2008, 07:04 PM
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Default I used a large pipe and leveraged it perpendicular to the breaker bar.

For the left side use something like a hockey puck to protect the underside of the car so you can leverage against it.
Old 05-18-2008, 07:20 PM
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not too many hockey pucks down here in Atlanta, but I'll find something.
Old 05-19-2008, 06:17 AM
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Default Encountered same thing. Hit it w/ PB Blaster, walked away for couple hrs, dinner, swimming, came

back, success.
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Quick Reply: replacing front rotors (HP2 calipers). do i remove 2x 21mm bolts or the 7mm ones?



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