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  #41  
Old June 12th, 2016, 04:20 PM
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Carl Jonsson
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John, you're a genius. It worked.
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  #42  
Old June 12th, 2016, 04:32 PM
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Doug Crowther
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Cool that you got it fixed. My issue is usually pistons that wont push back into the calipers.
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  #43  
Old June 12th, 2016, 04:40 PM
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Carl Jonsson
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The front driver unclogged but the rear passenger won't budge. 15 psi and I'm pumping the pedal. Still nothing. When the front unclogged I was able to floor the pedal with some resistance. With the rear it's very stiff and will not go down all the way. Any ideas as to what this indicates?
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  #44  
Old June 12th, 2016, 04:56 PM
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Carl Jonsson
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I cracked the break line and confirmed there is pressure to the caliper. Must be clogged. Not responding to pumping so far.
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  #45  
Old June 12th, 2016, 05:10 PM
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May be time for a new calliper...
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  #46  
Old June 12th, 2016, 05:17 PM
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Carl Jonsson
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I got it! This time is was a clogged nipple. I depressurized and swapped the rear nipples then I was able to bleed. All done!

I certainly will do it every two years from now on. In fact if I ever get to putting a new chassis on I will do new break lines and calipers as well. Thanks everyone!
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  #47  
Old June 12th, 2016, 05:37 PM
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When the time comes, you can put Defender 110 rear brakes n it.
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  #48  
Old June 12th, 2016, 05:58 PM
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Carl Jonsson
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What's the difference? When the time comes I'm buying a 110
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  #49  
Old June 12th, 2016, 08:01 PM
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Quote:
Originally Posted by Manimal View Post
What's the difference? When the time comes I'm buying a 110
The pads, rotors, and callipers are all bigger and fit with no modifications.
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  #50  
Old June 12th, 2016, 08:03 PM
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Carl Jonsson
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Huh, good to know. Will they fit in front as well?
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  #51  
Old June 12th, 2016, 08:22 PM
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Quote:
Originally Posted by Jymmiejamz View Post
The pads, rotors, and callipers are all bigger and fit with no modifications.
Pretty sure a NAS 90 like all later 90s use the same front brakes as 110s. They use the smaller rears as that makes sense to not over bias the rears.
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  #52  
Old June 13th, 2016, 06:48 AM
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Quote:
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Pretty sure a NAS 90 like all later 90s use the same front brakes as 110s. They use the smaller rears as that makes sense to not over bias the rears.
If I slam my brakes the fronts are still the ones that lock up, not the rears, so it seems pretty balanced. I don't think they are big enough that the rears will be over biased. I've only had them on for ~5k miles, but after some time I will see if the rears are wearing out more quickly than the fronts.
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  #53  
Old June 13th, 2016, 08:36 AM
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Carl Jonsson
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The 90 has a pressure reducing valve for the rear brakes. The 110 doesn't. This valve is what keeps reduced pressure on the rear brakes. I can only assume therefore that it would be fine to switch to 110 brakes but I would do all fours and not just the rear so as to keep it balanced.
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  #54  
Old June 13th, 2016, 08:57 AM
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You can get a rear line proportioning valve that has manual adjustment. That's what I put on the 109.
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