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Plattaya
Joined: 01 Aug 2011
Posts: 17
Location: Langwarrin, Victoria, Australia
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 Posted: Tue Nov 26, 2019 11:26 pm Post subject: Rear brake locking on! |
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I have a problem with the rear brake on my K1100 1995, the bike is on a lift being worked on. The problem is the the rear brake pads lock in hot weather and release when it cools down, all brake lines are new, pads are new and the brake fluid is new. I have bled the system 3 times and still have the same problem. This bike is not on the road and brake pedal is not touched! anyone have any clue?
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1995 K1100 LT |
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Scott_Anderson
Site Admin
Joined: 05 Sep 2006
Posts: 3122
Location: Central Iowa, USA
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| Posted: Wed Nov 27, 2019 7:14 am Post subject: |
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I'd suggest double check the adjustment settings on the pedal.
It's slightly possible you could be having some crap in the caliper that could be restricting the fluid flow.
Have you changed the seals in the caliper?
Does this bike still have the ABS modulator installed?
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Ride safe.
1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold) |
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flybd5
Flying Brick Rider
Joined: 01 Jul 2019
Posts: 371
Location: Massachusetts, USA
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| Posted: Wed Nov 27, 2019 9:59 am Post subject: |
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| Scott_Anderson wrote: | | Does this bike still have the ABS modulator installed? |
I just installed an Illudium Q-36 Explosive Space Modulator on mine. Where's the kaboom? There was supposed to be an earth-shattering kaboom!
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To err once is human. To do so repeatedly is incompetence.
1995 K1100LT SE |
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N41EF
Flying Brick Rider
Joined: 23 Mar 2014
Posts: 406
Location: Aiken, SC
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| Posted: Wed Nov 27, 2019 8:28 pm Post subject: |
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Did you suck fluid from bleeder down, or blow fluid up into reservoir?
Also, check the stop bolt on the pedal, could fluid be leaking past causing the lockup?
Did you put lube on the pin through the pads?
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2014 R1200RT Water Cooled
2001 R1100S Light
1993 K1100LT. Nissan Ice Blue.(Gone) |
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Grunter
Flying Brick Rider
Joined: 30 Sep 2015
Posts: 369
Location: North East England
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| Posted: Fri Nov 29, 2019 3:53 pm Post subject: Locking on |
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It could also be the flexible brake pipe collapsing internally. They don't last for ever.
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1997 K1100LT
1994 R1100RS |
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SinNH
Mad Brick Rider
Joined: 12 Aug 2006
Posts: 110
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| Posted: Fri Nov 29, 2019 3:58 pm Post subject: |
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Were the caliper pistons super, super clean when you pushed them back in to install the new pads?
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96 K1100 LT--gone
09 650 Strom
93 K1100LT
00 R1100RT
To put one�s life in controlled danger from time to time promotes sanity in dealing with everyday affairs. |
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Jim
Site Admin
Joined: 17 May 2003
Posts: 3841
Location: WHERETHEFUNNEVERENDS
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| Posted: Sat Nov 30, 2019 12:47 am Post subject: Re: Locking on |
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| Grunter wrote: | | It could also be the flexible brake pipe collapsing internally. They don't last for ever. |
He already said he installed new brake lines!
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Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000
"We shall not all die, but we shall all be changed." |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10101
Location: Bumf***, WA
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| Posted: Sat Nov 30, 2019 10:16 am Post subject: |
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It could be that the caliper pistons are seizing. Rebuilding or replacing the caliper might be in order.
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93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
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IBA #17739 (SS1K, BBG, 50CC)
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 395
Location: West of Ireland
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| Posted: Thu Mar 12, 2020 7:25 am Post subject: |
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Might be the master cylinder.
I had to strip mine.
There was corrosion inside the cylinder.
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1994 K1100 LTSE + Blackbird |
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