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4/7/10 8:17pm - Original Message: 'rebuilding calipers'
Ron 78 Lifetime Member
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BINGHAMTON, NY - USA

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Joined: 7/19/2003
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O.K. so I replaced a front caliper with a rebuilt,I'm not happy with the rear ones couple of sticky pistons in each one,wanna try to rebuild them myself,I aint got a lot of spare cash right now.I've already checked on local availability on rebuild kits,they've got em.I have rebuilt drum type brake cylinders,but never done calipers.any tricks to doin them,lets hear it guys,I already have a brake cylinder hone,what else do I need

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4/7/10 9:40pm - Reply: 'rebuilding calipers'
Norsky Lifetime Member
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Twin Lakes, CO - USA

Vette(s):
SOLD - "The Toy" - 1970 Convertible
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If I can do them anyone can do them.  It is pretty straight forward - just be mindful of how they come apart.  Just take your time, have plenty of brake cleaner on hand and you'll be fine.

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4/8/10 9:52am - Reply: 'rebuilding calipers'
VetteSpecialties
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Mounds View, MN - USA

Vette(s):
70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe

Joined: 5/24/2007
Posts: 1031
I always just buy rebuilt, as I am not willing to risk my safety for a few bucks.  But I have seen experts rebuild them.  They clean everything several times as Norsky said, and lubricate everything with brake fluid to help assembly.  To get the seals in, they use a feeler gauge slipped between the seal and cylinder.

Good Luck
Larry


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4/8/10 11:52am - Reply: 'rebuilding calipers'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

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#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
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Watch out for the small o-rings that go between the caliper halves. You'd be surprised at how many don't see/notice those little turds!
Clean them well, hone if needed. While ya got them apart, take the bleeders out, and run a wire down thru the hole to make sure it is clean, all the way thru the caliper(it'll make sense once you see it).
If the caliper bores are corroded, don't even bother with trying to rebuild...it won't work. The pistons, if corroded can be replaced, but the bores can't be honed if they are corroded....

Good Luck


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4/8/10 11:54pm - Reply: 'rebuilding calipers'
kstyer Lifetime Member
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CUYAHOGA FALLS, OH - USA

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1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!

Joined: 12/2/2003
Posts: 6410
I have rebuilt many calipers of many types.  But it's often found that there is enough corrosion that it cannot be done.  But hey, it often works.
 
You will need to consider using the original type seals, or go to the o-ring seal.   The o ring will tend to hold better when the car sits for a long time, like winter storage.  The original seal will hold a bit better is severe braking.  The extra pressure actually makes it seal tighter, but only when applied.
 
Or you can go to Autozone and buy stainless lined rebuilt with a lifetime warranty for about 60 bucks per caliper.   That is whats on my car.


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4/12/10 3:28pm - Reply: 'rebuilding calipers'
Ron 78 Lifetime Member
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BINGHAMTON, NY - USA

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Joined: 7/19/2003
Posts: 3805
Hey thanks for the tip Ken,they are 7 bucks cheaper than Advance auto,looks like Autozone again I just picked up the left front one from them they had it in stock Thumbs Up

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