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 Posted: Tue May 26, 2015 3:22 pm |
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Joined: Jan 17, 2011
Posts: 32
Trade Rating: 0
Location: Cornwall
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Annoying as hell, but my car failed mot on a binding brake. it's only on the osf, but don't know what I should change? Brake hose or caliper? Any info would be great. What would you guys do? Anyone else had thisproblem?
Cheers
Liam
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Posted: Tue May 26, 2015 3:37 pm |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Disc or drum?
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Posted: Tue May 26, 2015 7:06 pm |
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Joined: Jan 17, 2011
Posts: 32
Trade Rating: 0
Location: Cornwall
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Disc
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Posted: Wed May 27, 2015 1:09 am |
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Joined: Apr 14, 2010
Posts: 713
Trade Rating: +2
Location: Gothenburg, Sweden
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| liam1988 wrote: |
Annoying as hell, but my car failed mot on a binding brake. it's only on the osf, but don't know what I should change? Brake hose or caliper? Any info would be great. What would you guys do? Anyone else had thisproblem?
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Don't see how a hose could cause sticking, so caliper. Typically a question of corrosion, so a disassembly and a good going over with a steel brush +greasing of moving surfaces on the caliper, is often enough.
Doing it with it still on the car won't require bleeding, but removal is likely to give you better/easier access to clean.
Could be corrosion on the surfaces of the cylinder bore wall / piston. I'd probably go for a new/recon'd caliper in that case.
This video might be of interest, though not 206 specific.
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| Silvermetallic 2004 206 RC | |
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Posted: Wed May 27, 2015 11:21 am |
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Joined: Jan 17, 2011
Posts: 32
Trade Rating: 0
Location: Cornwall
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Hey mtempsch,
Thanks for the response, found a brand a new Bosch caliper for my 206 delivered for £50, by far the cheapest I could find. Will fit it when it comes and hopefully that should sort it... hopefully.
Liam
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Posted: Wed May 27, 2015 12:38 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| mtempsch wrote: |
Don't see how a hose could cause sticking |
Flexi hoses can break down internally with age & the rubber inside the hose can then act like a one way valve giving good fluid flow in one direction & restricted or no flow back the other way.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Wed May 27, 2015 12:54 pm |
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Joined: Apr 14, 2010
Posts: 713
Trade Rating: +2
Location: Gothenburg, Sweden
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| MrBSI wrote: |
| mtempsch wrote: |
Don't see how a hose could cause sticking |
Flexi hoses can break down internally with age & the rubber inside the hose can then act like a one way valve giving good fluid flow in one direction & restricted or no flow back the other way. |
Ah, I see. Never seen or heard of that one before... live and learn!
To test I'd imagine unscrew hose, stick in bottle with brake fluid (end of hose below surface), depress brake & see fluid level in bottle rise, release brake and level doesn't go back down (or very slowly)?
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| Silvermetallic 2004 206 RC | |
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Posted: Wed May 27, 2015 3:29 pm |
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Joined: Jul 13, 2010
Posts: 1032
Trade Rating: +10
Location: sutton surrey/welwyn garden city
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Have the brake pads been replaced recently?
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| You never really learn to swear until you learn to drive | |
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Posted: Thu May 28, 2015 7:59 am |
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Joined: Apr 16, 2013
Posts: 676
Trade Rating: +1
Location: Blackburn
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Strip down the caliper clean up all the moving parts and rebuild it with new seals and pack everything with grease. That should solve the binding.
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| 1999 206 Gt... Gti180 inlet, Gti180 exhaust manifold, Gti180 injectors, Gti-6 throttle body, Custom Adapter pipe to mate the throttle body to intake, Gti180 alternator, Gti-6 ICV, Straight through stainless exhaust system, cat cams (apparently), Avo coilovers, short shift gear stick, stripped out with fixed back bucket seat and harness, flocked dash, momo steering wheel and D2 solid boss, real carbon cold air intake, Gti-6 front calipers and 288mm disks, rear drilled and grooved disks, morette headlights, sp bonnet grill 71,456 miles
2008 Audi A3 2.0 Tdi 170 | |
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