Master cylinder diagrams

You buy a reverse bleed syringe

https://www.amazon.com/Cardone-10-5000MCB-Master-Cylinder-Bleeder/dp/B002JSM7HA

wow, sounds like replace part, rebuild kit



maybe just a gasket or seal


1993 nissan d21 master cylinder TO BOOSTER SEAL Google Search

SEE ANOTHER FORUM SUGGESTIIONS:

91 Nissan D21 Pickup Leaking From Behind the Master Cylinder

Nissan 300zx Model Z31 Series Factory Service Manual 1986

for the easy solution download the pdf file

It's easy put new master cylinder in place but don't connect rod to clutch pedal or bolt it to bulk head and leave metal solace feed pipe undone , connect fluid feed pipe to cylinder then tilt cylinder so slsve out let faces more down wards then top up fluid pot when fluid runs out slave outlet reconnect slave pipe , bolts master cylinder back in place and connect pedal to it , then undo nipple on slave cylinder let fluid run out freely titghten niplle then pump clutch pedal until it becomes firm job done .
15 minute job .

This should be pretty close to what you need.

http://www.thumper300zx.com/z31/vacuum/vacuum.htm

bleed master cylinder first and then furthest wheel away from master cylinder

you could have a bad head gasket or piston you should do a compression test on the motor to look into the problem further. to do this you take out the spark plugs and screw the tester into the hole were you took out the spark plug and crank over the motor. do this to all of the cylinders and compare the compression in ever cylinder

constant power, ground, ignition"on", and the triger gos to the hand brake to activate the timer after parking

usually attached to your transmission just follow the line from your clutches master cylinder which is usually beside your brakes master cylinder

No the master cylinder is for your brakes.And the slave cylinder only does clutch.