Date: 12 Jan 2006 16:21:49 GMT From: Dave Hinz <DaveHinznospamcop.net> Subject: Re: 9-3 front brake caliper replacement faq, anyone?
On 12 Jan 2006 08:11:14 -0800, MainerInMass <james.c.obriennospaml.com> wrote: >> If I can ask, what is wrong with the caliper that it needs replacement? >> I don't think I've seen anyone else here need to do it. > > Caliper's frozen - from what I can tell it's affecting the inside of > the caliper, not the outside (as there is DEFINITELY a brake on in the > right front, and there's space between the outside pad & rotor). Pity you'll probably have to turn in the frozen one. If you don't, I'd love to see what the failure mode of that one was. > I'm afraid I've never done brake work, and could use a thorough > walkthrough including draining/bleeding lines, tools necessary (I think > I'm all set, got a bunch of metric sockets and torx sets out the > wazoo), the works. Sounds like you've got what you'll need, nothing exotic here. The pins retaining the pads come out, the pads slide out, and this gets you close to done. The pads might be a problem if the caliper is seized. Look for a cutout on the outer edge of the rotor where the ridge won't be (car in neutral to get it aligned with the pads) - if you don't have to force the pads over that ridge it makes life that much easier. Once the pads are out, the two bolts which hold the caliper housing to the steering nuckle are your next target. There might be a locking plate on them, either way have loctite on hand to re-assemble those bolts into the nuckle. You don't want the caliper falling off. Once the bolts are loose-ish, loosen the brake line hose fittings. Remove the hose from the old caliper, put it in the new caliper with the bleeder nipple open. It'll drain fluid into your new caliper while you're doing other stuff. Get the old caliper out of the way, bolt the new one on. When liquid rather than air is coming out the bleeder nipple, close it. > I feel pretty comfortable with wrench-work, however I know enough to > know that I'll need guidance on this first brake job :) You'll have questions. Lots of helpful folks here, and you wouldn't be the first person (to say the least) to post a question mid-project. Just make sure you have your car supported with something solid when you're sticking your head partially under it, OK? Dave Hinz
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