Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

Brake line curcuit problem

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Old Nov 2, 2009 | 08:10 AM
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davey5300's Avatar
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From: hudson, nh
Default Brake line curcuit problem

94 EX original master cylinder
I've been having problems with the brake system ever since I've owned the car. the Front left Brake pad wears out WAY faster then the rest. (usually last about 1 month or two) I've replaced the caliper twice and still have the same problem (slider pins are gressed) . Another thing I found out was that the rear right caliper isn't getting any fluid at all. The original caliper seized so I replaced it and couldn't bleed it. I recently learned that the RR and FL is one circuit and FR and RL is another. So my guess is that all the fluid is going to the FL and not allowing it to fully release.
Just wondering what you all think could be the problem and what I should check. I'm trying to avoid a lift if possible. Thanks
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Old Nov 2, 2009 | 08:17 AM
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PilotOnDubs's Avatar
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From: Merica!
Default Re: Brake line curcuit problem

seems like your not getting pressure to all your calipers. you may have a "plumbing" issue, such as clogged lines... you may want to take it to a shop or dealer and have them "pressure bleed" it. honda has a special tool thats a pressurized tank that hooks up to the brake master cylinder.
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Old Nov 2, 2009 | 10:08 AM
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Default Re: Brake line curcuit problem

How did you determine you weren't getting fluid in the RR?

Have you tried the vacuum bleeding approach?
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Old Nov 2, 2009 | 10:34 AM
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From: New England, USA
Default Re: Brake line curcuit problem

Originally Posted by davey5300
94 EX original master cylinder
I've been having problems with the brake system ever since I've owned the car. the Front left Brake pad wears out WAY faster then the rest. (usually last about 1 month or two) I've replaced the caliper twice and still have the same problem (slider pins are gressed) . Another thing I found out was that the rear right caliper isn't getting any fluid at all. The original caliper seized so I replaced it and couldn't bleed it. I recently learned that the RR and FL is one circuit and FR and RL is another. So my guess is that all the fluid is going to the FL and not allowing it to fully release.
Just wondering what you all think could be the problem and what I should check. I'm trying to avoid a lift if possible. Thanks
I would suggest replacing both front flexible brake hoses which span the area between the chassis located brake pipe and the caliper.
I have seen where inner damage (age) causes a split in the inner lining which forms (in effect) a one-way check valve; not allowing the caliper to release.
Conversely, it can also work out as to restrict pressure in the other direction as well.

P
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Old Nov 2, 2009 | 01:05 PM
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From: hudson, nh
Default Re: Brake line curcuit problem

Originally Posted by TheMuffinMan
How did you determine you weren't getting fluid in the RR?

Have you tried the vacuum bleeding approach?
When I tried bleeding the caliper when I replaced (2 man way),I wasn't getting any fluid at the caliper. I even tried pumping the brake with the line off the caliper all together and still nothing. and I can't find my stupid mighty vac anywhere so I haven't tried vaccum bleeding yet.

Oh yah and P, I forgot to mention, but the car has abs, but it doesn't work. (doesn't pump at all)
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Old Nov 2, 2009 | 03:24 PM
  #6  
P_Adams's Avatar
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From: New England, USA
Default Re: Brake line curcuit problem

Originally Posted by davey5300
When I tried bleeding the caliper when I replaced (2 man way),I wasn't getting any fluid at the caliper. I even tried pumping the brake with the line off the caliper all together and still nothing. and I can't find my stupid mighty vac anywhere so I haven't tried vaccum bleeding yet.

Oh yah and P, I forgot to mention, but the car has abs, but it doesn't work. (doesn't pump at all)
The abs shouldn't be a factor. even with the abs pump inop, the brakes revert to normal operation.

P
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Old Nov 2, 2009 | 03:46 PM
  #7  
davey5300's Avatar
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From: hudson, nh
Default Re: Brake line curcuit problem

Oh alright just making sure. looks like I got me another job.
Thanks a bunch guys.
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