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Sprint clutch master
Posted: Tue Jun 07, 2016 10:31 am
by mahony
At the weekend I got the dreaded clutch pedal go very stiff and then freed off and now goes straight to the floor with no clutch operation, I believe it is the master cylinder at fault
, I have a reseal kit at hand but as I only did it a few years back I'm wondering if it's kaput ( I'm pretty sure I have never replaced it as a whole unit and only resealed it ) what options do I have for a replacement as they seem very hard to get hold of, can you use one which has the reservoir on the master cylinder and do away with the remote reservoir ? or are there any other options ?
No....
Posted: Tue Jun 07, 2016 10:41 am
by sprint95m
The Sprint clutch master cylinder is very easy to obtain…..
it is a mainstay of clutches and brakes on kit cars!
For example……
http://www.carbuildersolutions.com/uk/0 ... -reservoir
The holes are 3/8"UNF so you need 3/8"UNF to 7/16"UNF adapters,
you may need a clevis fork too (if you cannot reuse your existing one).
Ian.
Re: Sprint clutch master
Posted: Tue Jun 07, 2016 10:51 am
by Jon Tilson
Just reseal it. Hone the bore with a roll of 1200 grit wet and dry in brake fluid. You could try silicon fluid next time too to stop the cyliders
corroding. Works ok on my p6 which has a common reservoir for both, but do the slave rubbers too. The P6 also uses the same cylinder...
Also check the circlip groove is good. Have had a couple of pedal rods fall out which is not fun...
Jonners
Re: Sprint clutch master
Posted: Tue Jun 07, 2016 12:53 pm
by mahony
Thanks guys, i will try the reseal kit first , if it cannot be saved then Ians suggestion will be my second option
Re: Sprint clutch master
Posted: Sat Jun 11, 2016 4:38 pm
by mahony
After resealing the master and cleaning up the bore with 1200 wet and dry ( was not that bad ) I refitted and found the slave on it's last legs also , there was brake fluid behind the rubber boot, which was not obvious until the boot was moved
, I'm gonna get a new slave and reseal the old one and keep as a spare, what's the best place to get a slave, maybe a land rover one
Re: Sprint clutch master
Posted: Sat Jun 11, 2016 4:55 pm
by Galileo
Make sure you get the same 0.875" bore for the slave that matches the 0.625" master, I've read about 1" bore LR slaves accidentally being used.
Edit: May I suggest Chris Witor? Everything I've had from him has been good quality so far.
http://www.chriswitor.com/proddetail.php?prod=211061AD
Re: Sprint clutch master
Posted: Sat Jun 11, 2016 5:29 pm
by mahony
Galileo wrote:Make sure you get the same 0.875" bore for the slave that matches the 0.625" master, I've read about 1" bore LR slaves accidentally being used.
Edit: May I suggest Chris Witor? Everything I've had from him has been good quality so far.
http://www.chriswitor.com/proddetail.php?prod=211061AD
Thank's for that Galileo , looks a fair price too