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Century Bleed Nipples

grahamemmett
Posts: 609
Joined: Mon Feb 08, 2016 8:12 pm
Location: Northwich, Cheshire
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Century Bleed Nipples

Post by grahamemmett » Mon Oct 29, 2018 10:07 pm

Does anybody know where I can find the bleed nipples for the Century Wheel cylinders?
As per Parts List 135097/6 Wheel Cylinder Bleeder Screw 377685W

Thanks in advance :)
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

Stan Thomas
Posts: 513
Joined: Sat Feb 13, 2016 2:14 pm
Location: Penkridge. Staffs.

Re: Century Bleed Nipples

Post by Stan Thomas » Tue Oct 30, 2018 12:56 pm

There is only one for each wheel.

On the reverse side of the brake backplate you'll see the flexible hose coming from the master cylinder which goes into one of the brake cylinders - then a metal pipe coming out and going to the other brake cylinder, the outlet of which is fitted with the bleed nipple is fitted.

The bleed nipple for each front wheel is at the front at about the "three-o-clock" position.

grahamemmett
Posts: 609
Joined: Mon Feb 08, 2016 8:12 pm
Location: Northwich, Cheshire
Contact:

Re: Century Bleed Nipples

Post by grahamemmett » Tue Oct 30, 2018 4:35 pm

Right thanks Stan but what I really meant is does anybody know the size and where I can buy them!

I'm guessing they are 3/8" BSF 20tpi but I cant be sure.
I am sure they will break as soon as anybody tries to get them out and so need new cylinders but I thought I'd get them just to tempt luck!
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

HenryC
Posts: 141
Joined: Mon Feb 15, 2016 8:31 pm
Location: Surrey / East Hampshire

Re: Century Bleed Nipples

Post by HenryC » Tue Oct 30, 2018 8:57 pm

Hi Graham,

I am sure I have some second hand ones you can have.
Cheers, Henry

EL24
Conquest (Drop Head) Coupe DJ252
MGB 8-)

grahamemmett
Posts: 609
Joined: Mon Feb 08, 2016 8:12 pm
Location: Northwich, Cheshire
Contact:

Re: Century Bleed Nipples

Post by grahamemmett » Tue Oct 30, 2018 10:45 pm

As always, you are a gent 👍
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

Crossley Stephenson
Posts: 232
Joined: Wed Feb 10, 2016 9:15 pm
Location: Victoria, Australia

Re: Century Bleed Nipples

Post by Crossley Stephenson » Wed Oct 31, 2018 8:36 am

G'day Graham

I purchased my new bleed nipples from David Beales - a slow process but they did eventually arrive.

Cheers
Michael

HenryC
Posts: 141
Joined: Mon Feb 15, 2016 8:31 pm
Location: Surrey / East Hampshire

Re: Century Bleed Nipples

Post by HenryC » Wed Oct 31, 2018 9:55 pm

Hi Graham,

I have found a couple of old bleed nipples. They have slightly damaged rounded shoulders so probably aren't what you need. But you are welcome to them. Let me know.

For your information, they are 3/8 UNF thread.

As I am sure you are aware, the seal for the nipples is actually a small ball bearing that seals in the coned recess of the slave cylinder. The bleed nipple just tightens the ball into the cone and therefore doesn't need much torque. If anyone knows the diameter of the ball bearing, I would be interested to know.

Hope this helps.
Cheers, Henry

EL24
Conquest (Drop Head) Coupe DJ252
MGB 8-)

weddingcartim
Posts: 67
Joined: Mon Feb 15, 2016 7:38 pm

Re: Century Bleed Nipples

Post by weddingcartim » Sat Nov 03, 2018 8:54 pm

do away with the ball and replace with the newer type with the tapered end

grahamemmett
Posts: 609
Joined: Mon Feb 08, 2016 8:12 pm
Location: Northwich, Cheshire
Contact:

Re: Century Bleed Nipples

Post by grahamemmett » Wed Nov 14, 2018 11:45 pm

Henry - no I didn’t know!
I’m reluctant to attempt to remove them without having better ones to hand.
I’m scared they’ll break off in any case which means new slave cylinders.
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

HenryC
Posts: 141
Joined: Mon Feb 15, 2016 8:31 pm
Location: Surrey / East Hampshire

Re: Century Bleed Nipples

Post by HenryC » Thu Nov 15, 2018 8:27 am

Hi Graham,

Would you like me to send you the secondhand bleed nipples?
Cheers, Henry

EL24
Conquest (Drop Head) Coupe DJ252
MGB 8-)

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