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 ABS removal
Author Message
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Thu Jul 21, 2005 3:13 pm

im going to ditch the poxy ABS out of the chammy, it is decided.

Is it just a case of buying a new master cylinder and a brake hose kit?
schakal
Spammer

Joined: 27 Jul 2004
Posts: 5717

Posted: Thu Jul 21, 2005 4:24 pm

did not know you had ABS on the chammy neal , how did a guru like you made such a big mistake i will never know ?

is it playing up ,why do you want to get rid all of a sudden
Roger Red Hat
Site Subscriber

Joined: 13 Oct 2004
Posts: 4722

Posted: Thu Jul 21, 2005 6:02 pm

i belive his little light was on last time i saw it..

just the light annoying you neal?
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Fri Jul 22, 2005 12:03 am

you need the pedal box (incl servo), master cyl and a pipe kit if its the bendix set up. The bosch on eis more a lin in the system that can be removed and bypassed though.
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Fri Jul 22, 2005 12:49 am

Mine is bosch.

So do i not even need a new master cylinder then? Just pull out the ABS bits and replace with new pieces of brake pipe?

Id probably just renew all the rigid brake lines while im at it anyway tbh
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Fri Jul 22, 2005 12:59 am

yes thats all you should have to do.

Now since its been a while, its nto really btu I have worked on many newer rens lately so can;t recall the master cyl might only have 3 outputs, if it does then you will need to fit a T piece and bend the pipes to suit as 1 output goes to the rear.

get me a pic of it and I can tell ye for sure, pic of the master cyl area and bosch modulator.
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Fri Jul 22, 2005 1:10 am

i guess ill just compare it to my non-ABS hatch side by side later and it should be easy enough see what the deal is...
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Fri Jul 22, 2005 1:17 am

or you could do that...
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Fri Jul 22, 2005 1:22 am

Hmm, new master cylinder is £27.50 from GSF, might as well just replace it with new.

Only question left then is:

Does a standard non-ABS master cylinder fit to a Bosch ABS-equipped car's pedal box? Do I need to change the reservoir?
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Fri Jul 22, 2005 1:28 am

pedal box is the same but its easier if gettign 2nd hand bits to get the whole pedal box as you then have the servo and master cyl attached to it!

The pedal box mountos the the bulhead, the servo and its rod then mates to the pedal box and pedal.

The master cyl attaches to the serov and its rod engages in a cup on the end of the rod that goes to the brake pedal.

through memory and now looking at the crap haynes which only hasa diagram the bosch set up uses a stock servo but a 2 output master cylinder. Wiuth would utilise the right resoivoir.

If thats the case then its not a problem, all that needs doing is the ABS pump/modulator remove and then 2 T pieces inserted where it lived. Then just remove the ABS ECU, and wiring.
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Fri Jul 22, 2005 1:30 am

my typing is crap int it! Also neal did you try and paint that phone cover 449 blue?
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Fri Jul 22, 2005 1:31 am

OK, thats cool then

But would it not be better to have the proper 4 output master cylinder rather than T piecing 2 outputs?
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Fri Jul 22, 2005 1:33 am

Chris H wrote:
my typing is crap int it! Also neal did you try and paint that phone cover 449 blue?


Hah no, it came to me like that, hideous aint it Laughing Rolling Eyes
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Fri Jul 22, 2005 1:36 am

well T piecing it is the same way of doing it as the 4 output.

The master cyl is twin piston, so the 4 lines come from the 2 pistons anyway!

If you can't get T pieces get the 4 output ones and stick a bleed nipple in the spare hole, if your clever this way when you do it you only need to bleed it at the adaptor!
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