The Triumph Dolomite Club - Discussion Forum

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 Post subject: brake master cylinder
PostPosted: Tue Sep 18, 2018 11:30 am 
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TDC Member

Joined: Wed Dec 17, 2014 10:08 am
Posts: 31
Location: southampton
:bluewave:

After my Sprint single line brake master cylinder failure yesterday ( no damage done thankfully) I am thinking would it be possible to convert it to a dual line master cylinder is this something that could be done and which parts would be required.


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PostPosted: Tue Sep 18, 2018 12:54 pm 
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TDC West Mids Area Organiser
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Joined: Thu Sep 28, 2006 12:13 pm
Posts: 11945
Location: Over here...can't you see me?
Tandem master cylinder : £105.00 exchange with £50 surcharge if you don't have a RHD unit in serviceable condition to exchange
Four way bulkhead union with shuttle valve
Foot brake warning light within cluster
Various adaptations to the pipework


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PostPosted: Sat Sep 22, 2018 10:15 pm 
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TDC Shropshire Area Organiser

Joined: Sun Aug 21, 2011 4:12 pm
Posts: 4754
Location: Highley, Shropshire
Quote:
Tandem master cylinder : £105.00 exchange with £50 surcharge if you don't have a RHD unit in serviceable condition to exchange
Four way bulkhead union with shuttle valve
Foot brake warning light within cluster
Various adaptations to the pipework
Actually, you don't NEED the PDWA valve (4 way union with shuttle valve in Alun's description above) or the footbrake warning light wiring it supplies. The factory fitted these as an add on when they converted to dual circuit, but there are much better and more reliable methods available nowadays (saab 9-3 reservoir caps with fluid level sensors fit straight onto the dual circuit master, £5 or less from your local non specific scrappy)

What you will need is the master cylinder itself, 2 bespoke pipes from it to the position of the original 4 way union on the bulkead and a new imperial 3 way union adaptor. If you go ahead, I can make the bespoke pipes needed, supply you with a 3 way and a diagram of how it all goes together.

Steve

_________________
2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, MOT prep. Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Mon Sep 24, 2018 6:27 pm 
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TDC Member

Joined: Wed Dec 17, 2014 10:08 am
Posts: 31
Location: southampton
Thanks for that carledo I will keep that in mind I have just brought a replacement single line master cylinder for now.


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