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Just did rear (drum) breaks, now it makes grinding noises
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completelyhis
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Dec 30, 2008, 2:06 PM
Post #1 of 6
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Just did rear (drum) breaks, now it makes grinding noises
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2002 Toyota Echo with about 140,000 miles on it. I just did the rear breaks, which are drum. I had them turned, though it wasn't too bad. I made sure to put everything back together exactly as it was before i started. Now, when i break there is a light but steady grinding noise. not a metal on metal or squeaking noise, just grinding. I made sure to have the slack adjuster all the way in when i put everything back together, and it doesn't seem to make any noise when the wheel turns, unless the break is applied.
The break pedal feels like i need to bleed the lines, probably because when i was putting the new shoes on the plunger cylnder seal popped off, letting some of the fluid out. i made sure to put it back on good and tight, and without any gunk in it, and wiped up the fluid as best I could. probably no more than a two or three tablespoons (if that) came out.
should i be concerned? any clues?
Ian
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Loren Champlain Sr
Veteran
/ Moderator
Dec 30, 2008, 4:49 PM
Post #2 of 6
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Re: Just did rear (drum) breaks, now it makes grinding noises
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Not sure if I've seen the hardware layout on an Echo, but many of the imports' springs, if put on up-side/down, will rub on the hub as it's turning. I'd recommend pulling both drums for a visual inspection. If any fluid came out of the wheel cylinders when the dust boots were removed, they should be overhauled or replaced.
Loren
SW Washington
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completelyhis
User
Dec 30, 2008, 6:00 PM
Post #3 of 6
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Re: Just did rear (drum) breaks, now it makes grinding noises
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Loren,
Which spring would you be referring to? The main upper one or the smaller lower one? I am relatively certain that I put everything on the same way I took it off, but no one's perfect! Would the spring rubbing be constant, or only when the breaks are activated, because my sound is the latter. Not to further shy away from your opinion, but the sound actually is more like a non-metallic rubbing than a metal on metal.
a buddy of mine told me he thought is was because I got the drums turned, and the arc of the drum doesn't match the arc of the shoes, and I should just give it a few days, to see if they "wear in." I'm not convinced that is true, however.
Regarding the dust boot, fluid did come out when the dust boot was removed. Why does that necessitate having them overhauled or replaced? (the question is asked, of course, because I'm lazy and cheap, and don't feel much like redoing the whole process plus more!!)
Hey, I notice you're in SW Washington. I'm in Clark County - do you have a shop or anything?
Thanks,
Ian
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Loren Champlain Sr
Veteran
/ Moderator
Dec 30, 2008, 6:10 PM
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Re: Just did rear (drum) breaks, now it makes grinding noises
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Ian; It's usually the upper spring that goes from the primary shoe to the secondary. The 'arcing' of shoes is pretty much a thing of the past. But, if the drums are very far out of specs, it may take a little time for them to wear in as your friend suggested. But, that shouldn't make a noise. I'd take a peek at the shoes. Should be obvious..look for a shiny spot on the drum or shoes, or hub. Should be able to see what's rubbing. As far as the cylinders are concerned, any leakage is not acceptable.
Yes, I'm in Clark Co., but I don't do any advertising. I'm hesitant to 'post' any business info as I'm not here to try and 'drum' up business. I just enjoy trying to help, the best I can. If you want to send me a private mssg, I'll answer your question.
Loren
SW Washington
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completelyhis
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Dec 30, 2008, 6:33 PM
Post #5 of 6
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Re: Just did rear (drum) breaks, now it makes grinding noises
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I'll check the drum/shoes for any unevenness, to confirm or dispell my friends suggestion, and who knows, maybe i'll find something while I'm in there!
as to the wheel cylinders - are you saying that it is not normal for fluid to come out if the dust boot comes off? (sorry to be a bit dense on that issue).
Ian
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Loren Champlain Sr
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/ Moderator
Dec 30, 2008, 6:35 PM
Post #6 of 6
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Re: Just did rear (drum) breaks, now it makes grinding noises
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Don't be sorry, at all! No one can know everything. I sure don't. No, you shouldn't have ANY leakage at all.
Loren
SW Washington
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