95 Acura Integra brakes make a rubbing sound

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  #1  
Old 11-01-11, 02:07 PM
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95 Acura Integra brakes make a rubbing sound

95 Acura Integra
manual trans
196,000 miles

I recently started to hear a rubbing sound- pretty sure it's coming from my right front brakes. I can't reproduce the sound- seems to come randomly. I stopped in for state inspection recently and expected to get dinged- but the car went through...? I took the front tire off to get a look but I didn't see anything. (It would have to be pretty obvious for me to find it- this is not my specialty.)

I don't know if this is a clue or not, but the abs brake light has been coming on and staying on recently. This is not a new phenomenon, tho.

Any ideas as to what's causing this, or what's the fix?

Thanks,
Dave O
 
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Old 11-01-11, 04:05 PM
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Did you happen to notice how much brake material was left on the pads when you had the wheel off?
 
  #3  
Old 11-02-11, 07:05 AM
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Not a ton

Tow_Guy,
The front right pad (where I think I'm hearing the rubbing) is about 3/32. The front left pad is noticeably thicker.

So I can learn: what are you thinking?

Dave O
 
  #4  
Old 11-02-11, 03:09 PM
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I'm thinking you could be down to the wear indicator; little metal tab a little shorter than pad-material height that makes contact with the disk when you get to replacement time. Not all cars use them (my sister's Mitsu Lancer for one; she finds out her pads are gone when the pad plate starts eating the disk ). Don't know if Acura uses an inicator or not. The sound they put out is a bit like fingernails on a blackboard.

Could also just be some debris in the pad, but at 3/32 material remaining it's probably time.
 
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Old 11-02-11, 03:15 PM
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Pic of a pad with wear indicator here:

HowStuffWorks "How Disc Brakes Work"

Might not necessarily look like that, but similar.
 
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Old 11-02-11, 07:27 PM
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Never thought of debris in the pad

I wrote 3/32 in the earlier post; it's slightly more than 1/8" so I should have written 5/32".

If I change pads on the right, I need to change pads on the left too, correct?
 
  #7  
Old 11-03-11, 05:14 AM
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Yes. Even though one may have more material, no economy in replacing one side. Also need to check the rotors; either have then turned or simply replace them.
 
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Old 11-03-11, 07:38 AM
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I'd also think about replacing the flex lines and checking the calipers very well if not replacing or rebuilding them...maybe new pins/bolts too.

If one side is much more worn than the other, that would seem to indicate a caliper sticking some.
 
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Old 11-03-11, 08:59 AM
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Thanks, TowGuy and GunGuy

I'll look into rotors and sticking calipers. Thanks for all your posts!
 
  #10  
Old 11-12-11, 11:17 AM
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Thanks for all the replies- I finally had a chance to look into this, and the pad on the right inside had worn all the way down to the metal. The squealer had broken off somehow.

I'll keep an eye on it to see if it's a sticking caliper.

Have a great weekend!
Dave O
 
  #11  
Old 11-12-11, 08:12 PM
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The right side on lots of things wear quicker than the left. Brakes,king pins,ball joints for example. Much discussion about this such as slope of road and weight transfer,roads rougher at the edge,ect. I dont know the answer just that it happens.
 
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Old 11-13-11, 09:10 AM
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Always wear right front tire the fastest on my wrecker. I think it stems from tending to take left hand turns at a higher speed than right hand turns.
 
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