Master cylinder

Master cylinder

Author
Discussion

Mjleah

Original Poster:

6 posts

72 months

Sunday 12th March 2023
quotequote all
Hi I’m having trouble with my new brake master cylinder it leaks from the seals that the reservoir fits into when fitted back in car has anyone else had this trouble was wondering whether there’s a slight difference in seals or dimensions of the the master causing it to be under uneven pressure when fitted thanks






lancepar

1,065 posts

184 months

Sunday 12th March 2023
quotequote all
Dunno about on a Cerb', but the reservoir needs a good firm push to get it into the seals.
clap

Mr Cerbera

5,116 posts

242 months

Tuesday 21st March 2023
quotequote all
Hi MJ,

As far as I am aware, the GIRLING Master Cylinder bores vary by ½" sizes, so I think you would spot a LARGE difference, if sizing was your probem. scratchchin

PJ
thumbup

TwinKam

3,276 posts

107 months

Tuesday 21st March 2023
quotequote all

I believe that the OP is referring to the 'grommets' in the input ports on the top face of the master cylinder, Paul, the ones that the reservoir spigots push into, not the actual piston seals.

Mr Cerbera

5,116 posts

242 months

Friday 21st April 2023
quotequote all
bangheadgetmecoat

Pagey430

154 posts

227 months

Friday 21st April 2023
quotequote all
suggest give Motaclan a call, might point you in the right direction...