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12-07-2005, 06:38 PM
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#46
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moderationistismingly
Join Date: Dec 2001
Location: Bradford, ON
Posts: 8,792
Car: 97 328is-02 Impreza
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Quote:
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Originally Posted by mirek
that's correct, you're actually right, it's to expand it and break the rust bond. So heat up only the bolt to a nice red, not the carrier
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You don't want to heat up the bolt. The bolt will expand inside the threads.
__________________
"Driving is like a narcotic, an addiction that can take over lives. It ruins people, breaks families apart, and even kills. It’s habit that needs to be fueled. Time, money, rationality, sweat, knuckle skin, and anyone who disapproves are of little importance to a driver, and are often overlooked. Hi, I’m Nelson, and I’m a drivaholic."
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12-07-2005, 06:52 PM
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#47
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Purveyor of Useless Info
Join Date: Dec 2004
Location: Toronto
Posts: 169
Car: E30
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Quote:
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Originally Posted by mirek
So heat up only the bolt to a nice red, not the carrier
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 This only works coincidentally due to thermal transfer and differing expansion rates of the various metals. You have to heat the area surrounding the threaded hole. Besides, if you heat up the bolt too much it becomes brittle and useless. OK fine, there's a safety factor designed into most assemblies, but that's not the point. As a general rule: do not reuse a bolt that you've heated red-hot...especially not on a brake part!
MP
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12-07-2005, 08:30 PM
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#48
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6th Gear Member
Join Date: Nov 2003
Location: Canada
Posts: 5,458
Car: BMW
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my bad, dont listen to me
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02-05-2006, 06:34 PM
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#49
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6th Gear Member
Join Date: May 2004
Location: Toronto
Posts: 2,055
Car: '95 325is & '06 S4
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Well the brakes are finally off on all four corners!
I now have to prep my calipers and caliper guides for sandblasting and powdercoating.
Should I soak everything in some type of fluid to clean them up before taking them to to get sandblasted?
I'm going to try to thread bolts into all the holes with threads so the sand doesn't do any damage...
__________________
Daily: '06 S4
Wife: '05 X5 4.4i
Fun: '95 325is
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03-02-2006, 12:28 AM
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#50
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6th Gear Member
Join Date: May 2004
Location: Toronto
Posts: 2,055
Car: '95 325is & '06 S4
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Everything's been sandblasted and coated (expect the spring clips which will be done in red on Monday).
See attached pics for before and after...
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Daily: '06 S4
Wife: '05 X5 4.4i
Fun: '95 325is
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03-16-2006, 02:35 PM
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#51
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2nd Gear Member
Join Date: Aug 2005
Location: Thornhill, ON, Canada
Posts: 204
Car: 635csi
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Nice work!
I got my calipers sandblasted and rebuild at East end. Place called Protec, 12 Principal Rd., Scarborough, 416 752 1551. $40 each.
Powdercoating was done by Simba Powdercoating, 235 Nugget Ave., Scarborough, 416 321 3909. $100 for the set of 4 calipers with carriers.
Before:
After:
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03-16-2006, 03:36 PM
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#52
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6th Gear Member
Join Date: May 2004
Location: Toronto
Posts: 2,055
Car: '95 325is & '06 S4
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Real men rebuild them themselves... haha... J/K
Sounds like a great deal!
p.s. Your "after" pic is not showing up.
__________________
Daily: '06 S4
Wife: '05 X5 4.4i
Fun: '95 325is
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03-20-2006, 10:39 PM
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#53
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.
Join Date: Jan 2006
Location: GTA
Posts: 468
Car: .
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Hey Geoff, where did you / are you , getting this done? I'm going to see if Ben will let me leave my car in his bay for the weekend so I can do this....
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03-20-2006, 11:18 PM
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#54
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6th Gear Member
Join Date: May 2004
Location: Toronto
Posts: 2,055
Car: '95 325is & '06 S4
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Give me a shout tomorrow at work and I'll hook you up with all the #s...
__________________
Daily: '06 S4
Wife: '05 X5 4.4i
Fun: '95 325is
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03-22-2006, 08:43 AM
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#55
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6th Gear Member
Join Date: May 2004
Location: Toronto
Posts: 2,055
Car: '95 325is & '06 S4
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Here's a pic with the retaining clips powdercoated red.
I have all the rebuild parts, but can't find a good DIY on reinstalling the caliper piston & seals. Anyone know of a link?
__________________
Daily: '06 S4
Wife: '05 X5 4.4i
Fun: '95 325is
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