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pete57
16th January 2023, 02:48 AM
Hi guys,
My Y61 has a slow leak from the master cylinder. I thought I might as well replace the slave cylinder as well, so I've got both. Should I do them in any particular order? Or something else I need to think about.
Cheers
Peter

mudski
16th January 2023, 01:29 PM
You'll need to bleed the master first, once done, then the slave.

pete57
17th January 2023, 06:57 AM
Thanks mate!

mihit
19th January 2023, 12:00 PM
Unless they've changed much, the slave can be given a light hone and a standard 3/4" hydraulic cup seal to refresh it.
The masters -apparently- (I haven't checked) had a hardened bore and any attempt to hone is -apparently- likely to cut through that, so best replaced.

Not sure if the '61s enjoy the same stupid tee, coil, and bleed nipple up by the diesel filter (passenger side) but if they do, it makes it a whole lot easier to either blank it off at the tee (1/8" bsp plug), or bend the coil about 90 degrees so the line is all up-hill and won't trap air bubbles.
Bleeding is done in your preferred method. Pressure bleed or vacuum bleed easiest if you have the kit.