Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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can anyone please post up a picture of one fitted so i can compare to mine?
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flash22
Member
Registered: 13th Sep 05
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thay look the same as the 1.2, 1.4 and 1.6 just the internal bore is different. some are sealed units and some are not also its dependant whether you have abs or not there should be a ident code stamped on it somewhere IE. EP in circle
[Edited on 17-07-2006 by flash22]
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Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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reason i am asking is i am still unsure about pressure regulaters on rear disc conversions. my master cylinder has two outlets which split to four down behind the header tank on the bulk head. the car was a 1.2 version with no abs. the rear regulating valves are located on the rear axel. i read on the m-tech website that to fit there 3/20 regulating valves i will need a gsi master cylinder with four outl;ets and screw the valves straight into the mater cylinder and run each brake line individualy from there? just wonted to make sure this is correct as they aint cheap and cant get a def answer from someone in the no.
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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the gsi master cylinder has 2 outlets. all gsi's came with abs. if you need one I have one spare
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Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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so what corsa would have 4?
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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never seen one with 4.
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Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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oucch! mine overbrakes on the rear big time so need to sort it in a rush. will give lmf/m-tech a ring and see what they say. is the gsi cylinder any better than that found on a 1.2?
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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probably not knowing vaux!
tried removing the spring between the rear beam and the chassis?
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Cossie
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Registered: 17th May 02
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Corsa (1.0 up to 1.6) have the same master cylinder size apart Rhd to Lhd !
[Edited on 17-07-2006 by Cossie]
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Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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will have alook for the spring as have heard about this before. hoping that now i have uprated the front brakes it may not be quite so bad on rear lock. i would of thought that by now someone would of developed a master cylinder replacement for a corsa b. IMO they would sell like hotcakes as it seems many people are having a similar problem. heard that kadett-E gsi 16v ones will fit as they are they only rear disc non abs vaux around? i think though that the regs screw into the master cylinder also? surely someone has rear discs on here without abs??
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Cossie
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Registered: 17th May 02
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if you car is 1.0 1.2 they do not have a spring bias valve but have a in-line valve in the brake pipe line , the sping valve is found on 1.4 1.5d 1.6 engines which vary the brake effect on the load y have on the car!
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Cossie
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Registered: 17th May 02
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Also I have seen non original master cyclinders for corsa B which have 4 holes they can still be used but the same effect as they have same bore and the extra holes are closed with bleed valves !!
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Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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cheers cossie, think ime gona either fork out for the regulaters or find some thing and make it fit. a few months ago i saw a cav at my local scrapy with rear discs/ non abs but couldnt get the master cyleder/ regulaters off it coz the nuts were rounded. according to vauxhall this car dosnt exist so god noes whos been playing silly buggers with it but havnnt seen anything else that is suitable. checked for the springs and sure enough they are non existant so thats not an option. mgt find an astra gsi cylinder and try and machine it to fit.
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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keep us updated on this one
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Ben ev
Member
Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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yep mwill do gona find a master cylinder to play with from ebay/mig and go from there.
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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ive got a gsi one spare if you need it? complete with pedal assembly, resoivoir, master cylinder etc...
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Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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is that a corsa gsi or astra c20xe?
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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corsa gsi
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Ben ev
Member
Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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this is on the mtech website but they put me in contact with lmf. would this part number be reconised at a vaux dealership?
Click on the image for enlarge.
Brake modulator kit 3/20
To reduce brake pressure to the rear beam, with an rear disc conversion. These brake pressure modulators can be fittedin the original brake lines above the rear beam of every model Corsa-B or Tigra-A with rear discs. Number :
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Part no : 320008
Price : 129.00 €
Available from stock : Yes
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Cossie
Member
Registered: 17th May 02
User status: Offline
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Would a the regulator from the car you got the rear disc brake be same as the mtech have for sale ?? maybe
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