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displaying posts 1 to 23 of 23
| Author | Subject: Anyone had this before |
 cact1972
Junior User  Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #1
Help please guys!!!Last year i changed all my pads and discs a few corroded pipes on the rear and a new compensator since then (dont think it was doing it before??) My pedal is rock hard when not running then drops slightly on start up and if i keep the pressure on the pedal still keeps going down?? I have put a new vaccum pump on changed the master cylinder and tried another abs unit! Anyone got any ideas ? |
 Posted 31st Jan 2010 at 20:51
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #2
BumpAnyone???? please |
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Posted 2nd Feb 2010 at 21:06
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jonnyboy17
Seasoned Pro  Location: Wisbech Registered: 21 Mar 2009 Posts: 1,183 Status: Offline |
Post #3
re-bleed the system?________________________________________ Team Dirty Black... Formerly Known as Astorsharland wrote: When women don't behave like they do on brazzers.com in real life it disappoints me. rikky wrote: the day i own a credit card is the day i saw my helmet off and fire it from a potato cannon |
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Posted 2nd Feb 2010 at 21:10
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #4
jonnyboy17 wrote: re-bleed the system? System has been pressure bled 3 times by my local garage even he is scratchin his head with it!! |
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Posted 2nd Feb 2010 at 21:20
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birk
Seasoned Pro  Location: Doncaster Registered: 24 Oct 2005 Posts: 7,032 Status: Offline |
Post #5
The pedal will get hard when the car isnt running, then when you start it, the pedal will sink, thats how the system works.________________________________________ Dimma + Gt35 turbo = Solid rear beam mounts £130 07889376885 Dan |
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Posted 2nd Feb 2010 at 21:33
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #6
Yeah i understand that is how the system works but it should only move an inch or so then be solid! But mine moves the inch or so and if i keep pressure on it carrys on moving to the floor but with a bit of resistance? |
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Posted 2nd Feb 2010 at 21:39
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daveyboy
aka Jim Davey  Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #7
cact1972 wrote: Yeah i understand that is how the system works but it should only move an inch or so then be solid! But mine moves the inch or so and if i keep pressure on it carrys on moving to the floor but with a bit of resistance? So does mine, but it doesnt loose fluid and the brakes work fine when driving, is there actually any issue while on the road? ________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 2nd Feb 2010 at 21:45
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fletch
Track Head  Location: The nearest Shell garage Registered: 12 Jun 2004 Posts: 12,273 Status: Offline |
Post #8
Might be a faulty caliper seal |
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Posted 2nd Feb 2010 at 21:45
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #9
daveyboy wrote: cact1972 wrote: Yeah i understand that is how the system works but it should only move an inch or so then be solid! But mine moves the inch or so and if i keep pressure on it carrys on moving to the floor but with a bit of resistance? So does mine, but it doesnt loose fluid and the brakes work fine when driving, is there actually any issue while on the road? No fluid loss so same as your saying! it stops on a pin but sometimes the pedal goes quite a way down on braking and other times not so far (not consistant level) Just that sometimes it feels a bit un nerving when I need to stop quickly and the pedal nearly hits the floor!  |
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Posted 2nd Feb 2010 at 21:58
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fletch
Track Head Location: The nearest Shell garage Registered: 12 Jun 2004 Posts: 12,273 Status: Offline |
Post #10
Must be some air getting in there. Was the replacement MC new or 2nd hand? |
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Posted 2nd Feb 2010 at 22:04
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birk
Seasoned Pro Location: Doncaster Registered: 24 Oct 2005 Posts: 7,032 Status: Offline |
Post #11
Servo________________________________________ Dimma + Gt35 turbo =Solid rear beam mounts £130 07889376885 Dan |
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Posted 2nd Feb 2010 at 22:04
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #12
fletch wrote: Must be some air getting in there. Was the replacement MC new or 2nd hand? When it has been bled no air is in the system??? Mc is new! |
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Posted 2nd Feb 2010 at 22:10
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #13
birk wrote: Servo Have thought of that myself but dont know how to test it??? And it is the worst case scenario and i believe its a b*tch of a job!! Mind you My heater matrix has just spat its dummy so its coming out v soon. |
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Posted 2nd Feb 2010 at 22:09
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birk
Seasoned Pro Location: Doncaster Registered: 24 Oct 2005 Posts: 7,032 Status: Offline |
Post #14
I had the same symptons, but mine got to the point where the servo was that shagged, it made the brakes come on, i changed everything on the brake system, inlcuding the brakes, thinking it was them that where seized or leaking.My heatermatrix was also on its last legs, so when i had the dash out, i replaced the servo and it cured the problem. ________________________________________ Dimma + Gt35 turbo =Solid rear beam mounts £130 07889376885 Dan |
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Posted 2nd Feb 2010 at 22:27
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #15
birk wrote: I had the same symptons, but mine got to the point where the servo was that shagged, it made the brakes come on, i changed everything on the brake system, inlcuding the brakes, thinking it was them that where seized or leaking.
My heatermatrix was also on its last legs, so when i had the dash out, i replaced the servo and it cured the problem. |
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Posted 2nd Feb 2010 at 22:32
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birk
Seasoned Pro Location: Doncaster Registered: 24 Oct 2005 Posts: 7,032 Status: Offline |
Post #16
I got away with just the top engine mount, but if i was to do it again, then i would do the gearbox side aswell, just for the extra bit of room.________________________________________ Dimma + Gt35 turbo =Solid rear beam mounts £130 07889376885 Dan |
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Posted 2nd Feb 2010 at 23:13
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #17
birk wrote: .I got away with just the top engine mount, but if i was to do it again, then i would do the gearbox side aswell, just for the extra bit of room. Spot on thanks fella! Both of them need changing too the new ones are in my garage waiting to be fit. Got a bit of work on, me thinks!!  anyhow gonna have to leave it for a couple of weeks due to work commitments! |
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Posted 2nd Feb 2010 at 23:18
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #18
Reet, have now changed the servo ( spent a fookin packet on this prob now,m/c,abs pump,compensator and vac pump)And it is still the same! Starting to think that it is a dodgy master cylinder. Is there any way of testing them? |
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Posted 15th Mar 2010 at 03:54
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armzsc6
Seasoned Pro  Location: Crowborough Registered: 22 Mar 2008 Posts: 3,445 Status: Offline |
Post #19
sounds like the M/C is letting fluid past one of the seals if the pedal sinks to the floor and there's no fluid loss, only thing left it can be really.________________________________________ Black power baby! SUUUUUPERCHARGED Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p 12x 306's owned so far Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist. Pug planet / Citroen Lexia diagnostics / code reads available. |
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Posted 15th Mar 2010 at 04:09
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cact1972
Junior User Location: barrow in furness Registered: 29 Jul 2007 Posts: 58 Status: Offline |
Post #20
armzs16 wrote: sounds like the M/C is letting fluid past one of the seals if the pedal sinks to the floor and there's no fluid loss, only thing left it can be really. Yeah my thoughts too. Just hope the parts supplier will exchange it! I have been chasing this for months now. |
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Posted 15th Mar 2010 at 04:23
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motorman
Junior User Location: Moray Registered: 25 Apr 2003 Posts: 91 Status: Offline |
Post #21
armzs16 wrote: sounds like the M/C is letting fluid past one of the seals if the pedal sinks to the floor and there's no fluid loss, only thing left it can be really. It does not sound like the MC seals if it doesnt sink when the car is not running? |
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Posted 11th Apr 2010 at 02:55
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oldbrownshoe
Seasoned Pro  Location: Holon Israel Registered: 08 Aug 2008 Posts: 1,795 Status: Offline |
Post #22
read the break section , i'm sure you'll find the answer there.http://www.tegger.com/hondafaq/faq.html#brakes. also try first to bench bleed the MC ________________________________________ French military victories?Did you mean French military defeats? |
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Posted 11th Apr 2010 at 17:20
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motorman
Junior User Location: Moray Registered: 25 Apr 2003 Posts: 91 Status: Offline |
Post #23
Just read that, so it could be the master cylinder?I too have the same problem & I will be fitting a new MC shortly so It will be interesting to see if it helps. |
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Posted 13th Apr 2010 at 00:52
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