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Old 05-26-2007, 12:28 AM   #1
fastseven
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Impreza GC8 Need assistance with brake issue

Came home in the 01 RS and noticed a brake smell. Well, I checked the right rear brake and it was extremely hot. I just got off the highway so no stop and go traffic and the other brakes were fine. What could cause this brake to stick and what is the possible solution?
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Old 05-26-2007, 10:04 AM   #2
fastseven
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Anyone??
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Old 05-26-2007, 11:18 AM   #3
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Maybe you've got some air in the lines. When is the last time you have bled/flushed the whole brake system?
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Old 05-26-2007, 11:20 AM   #4
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Seized caliper, sticking slide pin are two good possibilities.



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Old 05-26-2007, 12:18 PM   #5
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you may have a clogged line....replace your lines with braided lines and flush teh entire system, you should be good then.
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Old 05-27-2007, 07:11 AM   #6
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Isn't that where the ebrake is too? Its probably the caliper, but I thought I'd throw that out there too. Could be the ebrake has been maladjusted.
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Old 05-27-2007, 08:27 AM   #7
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Quote:
Originally Posted by finnRex View Post
Seized caliper, sticking slide pin are two good possibilities.



Mika
Yeah, what he said. Have you had brake work recently?
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Old 05-27-2007, 12:42 PM   #8
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Any news on what it was?
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Old 05-27-2007, 01:01 PM   #9
fastseven
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No word. I replaced the rear pads 3 weeks ago because the passenger side rear was metal on metal. The driver's side was hardly worn from when I replaced them a year and a half ago. I am thinking it is a siezed caliper. I will have to get dirty tomorrow and take the thing apart. It should be fun since I have no idea what to do. But, how hard can a rear brake be??
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Old 05-27-2007, 01:11 PM   #10
finnRex
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No biggie. Grab a big pair of channel locks and see if you can move the piston in with it. If you can, then the caliper's good. If not, replace caliper. Also, make sure to lubricate the slide pins.



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Old 05-27-2007, 02:02 PM   #11
fastseven
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How much is a caliper??
When I changed the pads, the piston moved back when I squeezed it with the disc brake wrench I have.
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Old 05-27-2007, 02:31 PM   #12
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I would check the ebrake, if not mistaken it'll use a drum mechanism.
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Old 05-27-2007, 02:48 PM   #13
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Quote:
Originally Posted by fastseven View Post
No word. I replaced the rear pads 3 weeks ago because the passenger side rear was metal on metal. The driver's side was hardly worn from when I replaced them a year and a half ago.
Did you lube the pins/slides at that time? I've bypassed this step before and paid w/uneven pad wear. Sticking pin(s) may have caused the uneven wear before as well. BTW, was either pad (inside vs outside) worn more then the other when you changed them?

I'm not ignoring the potential of an e-brake problem. . . it's just that I've seen the sticky-pen problem more.
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Old 05-27-2007, 10:19 PM   #14
fastseven
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Quote:
Originally Posted by Fathead View Post
Did you lube the pins/slides at that time? I've bypassed this step before and paid w/uneven pad wear. Sticking pin(s) may have caused the uneven wear before as well. BTW, was either pad (inside vs outside) worn more then the other when you changed them?

I'm not ignoring the potential of an e-brake problem. . . it's just that I've seen the sticky-pen problem more.
Yes, the outside pad was worn much worse than the inside.
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Old 05-27-2007, 10:46 PM   #15
Fathead
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OK I'm putting all my money ($.02) on the pins. Pull 'em, clean & lube 'em, make sure pads are still serviceable, and reassemble. Check caliper motion and e-brake operation just in case, but I still blame the pins.

BTW the uneven wear will just get worse and worse unchecked. This problem on another vehicle resulted in a premature pad failure, costing me 2 rotors and a caliper.
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Old 05-29-2007, 07:54 AM   #16
STi_VIII
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Why is this in the "Vendor 'For Sale' Classifieds" forum?
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