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Brake Booster/Master Cylinder

Discussion in '365 GT4 2+2/400/412' started by alastairhouston, Apr 2, 2013.

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  1. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #1 alastairhouston, Apr 2, 2013
    Hello all
    Anybody know a good master cylinder reburber or good second hand/ new source for 400GT . In the UK
    I have diagnosed the following

    Front vacumpump line working. no air leaks
    Rear vacum to rear engine cam working no air leaks

    car did run brakes working with same setup previous to failure, now brake hard to deppress and air hiss noise from piston end/footwell side of master cylinder now presuming the master cylinder needs attention/replacing.

    Any thoughts help appreciated.
    PS will update on finally getting my car back on the road once weve got this sorted!!!

    Regards
    Alastair
     
  2. 180 Out

    180 Out Formula 3

    Jan 4, 2012
    1,286
    San Leandro, CA
    Full Name:
    Bill Henley
    #2 180 Out, Apr 2, 2013
    One sign of a failed master cylinder is to hold the brakes down for 30 seconds or more and if the pedal continues to move then the MC is bad.

    I got my MC re-sleeved by an outfit in San Jose CA, which is local to me but probably not the first choice if you're in the UK or Europe. But you should be able to find a similar shop closer to home.

    I also needed a new reservoir, because taking the OE unit off created a network of cracks. I got the reservoir from a European source, which I can look up if you need that info.
     
  3. rustytractor

    rustytractor Formula 3

    Mar 25, 2012
    1,078
    London
    Full Name:
    Russell Schacter
    #3 rustytractor, Apr 2, 2013
    Hi Alistair,

    I'm really pissed off - there was a company selling refurbed exchange 400 servos a few months ago and I thought I'd saved the seller "just in case" but didn't - sorry.

    Have you tried Eurospares ? They usually have a few parted out 400's available.

    I've also come across a guy in Italy who breaks 400's:-

    Spare Parts For Ferrari 400 2+2 for sale - Bodywork, Exterior Trim & Glass - Classic Car Parts For Sale (Item: 3616) | Classic Cars For Sale

    I'll see if I can locate the eBay company as may have saved the link on one of my many pc's/laptops/iPads/iPhones etc.

    Russ
     
  4. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #4 alastairhouston, Apr 2, 2013
    Thanks Bill
    going to local garage tommorow so we will give it a final bit of testing just to see if ive missed anything
    Regards
    Alastair
     
  5. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #5 alastairhouston, Apr 2, 2013
    Russ thanks was supposed to be telling about my fabulous drive up the road which bye the way it was spectacularly working full package blast up to Scotland. This is overcomeable so no panick just part of the ownership as we all well know!
    Dont blame for misplacing the link as i understand youve just mooved hoose!
    I will go down the eurospares route first then try to find a reasonable uk rebuilder.
    Thanks for the moral support
    Regards
    Alastair
     
  6. Schumi

    Schumi Formula Junior
    Owner Silver Subscribed

    Jun 5, 2002
    867
    Missouri
    Full Name:
    Daren
    #6 Schumi, Apr 2, 2013
    I had the exact same issue about three months ago, and I mean the exact same hissing sound and hard pedal. I sent my booster/master cylinder to a re-builder here in the US - Whiterock. The whole thing - diagnosis by two experts, removal, refurbish, replacement was right at $1,000.00. The removal part was tedious as I didn't want to break anything - especially the fluid reservoir. I chose to have mine refurbished as I wasn't sure what I would get from a new-old stock part, or one that had been refurbished by who knows who. On the bright side you have to change the fluid which probably needed doing anyway.
     
  7. new ulm 400i

    new ulm 400i Karting

    Sep 1, 2007
    117
    Taipei, Taiwan
    Full Name:
    Lee Atkinson
    #7 new ulm 400i, Apr 3, 2013
    ...I had my booster rebuilt by Dewey's in Oregon, I think ran about $225 including an excellent re-plate...Very fair and reasonably fast--Lee
     
  8. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #8 alastairhouston, Apr 3, 2013
    Thanks Darren, Lee
    Taking it 'slowly' along to the local garage for dismantle this morning will continue hunt for good rebuilder.
    Regards
    Alastair
     
  9. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #9 alastairhouston, Apr 3, 2013
    Good old eurospares.

    For info gents original brake servo (booster and master) £1300.00 + VAT

    Patern made new by another manufacturer £1000.00 +VAT

    From breaking vehicle could be any model such as mondial etc £350+VAT
    these are all tested and available.

    So for me a no brainer so unless I have overlooked something (never say never) it will bolt on to my car and off we go.
    Regards
    Eurospares fan
    Alastair
     
  10. rustytractor

    rustytractor Formula 3

    Mar 25, 2012
    1,078
    London
    Full Name:
    Russell Schacter
    #10 rustytractor, Apr 3, 2013
    Told you so......
     
  11. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #11 alastairhouston, Apr 4, 2013
    Aye good stuff
     
  12. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #12 alastairhouston, Apr 5, 2013
    For info gents
    Eurospares £350.00 + VAT complete servo (booster and master cylinder)
    In this case off a testarossa, perfect. Retained the master cylinder and reservoir from my old one for originality. Out and in in 3 hrs without disturbing the brake circuit.
    Heaven.
    Regards
    Alastair
     
  13. Faber

    Faber Formula Junior

    May 5, 2011
    954
    TX Hill Country
    Full Name:
    Tom G.
    #13 Faber, Apr 5, 2013
    Congratulations Alastair! Quick turnaround. Gotta pic of your 77?
     
  14. alastairhouston

    alastairhouston Formula Junior

    Apr 19, 2009
    575
    Largs Scotland UK
    Full Name:
    Alastair Houston
    #14 alastairhouston, Apr 5, 2013
    Last edited by a moderator: Sep 7, 2017
    Hi Tom
    Heres the machine finally on the road after 'some work' still to wet sand and polish and put on trim. regards
    Alastair
    Image Unavailable, Please Login
     
  15. Faber

    Faber Formula Junior

    May 5, 2011
    954
    TX Hill Country
    Full Name:
    Tom G.
    #15 Faber, Apr 6, 2013
    Thanks! Beautiful machine! I really like these in black.
     
  16. rustytractor

    rustytractor Formula 3

    Mar 25, 2012
    1,078
    London
    Full Name:
    Russell Schacter
    #16 rustytractor, Apr 6, 2013
    Told you so......
     

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