it's on the firewall beneath the left rad support rod
How to change a clutch and master cylinder on a 93 jeep wrangler
How do you replace the clutch slave cylinder on a 1989 jeep wrangler
replace the bushing where the clutch pedal attaches to the master cylinder arm.
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Bench bleed it to avoid introducing air into the system.
The same time as the brake fluid.
I would suspect a weak clutch slave cylinder or clutch master cylinder which may be preventing the clutch from disengaging fully; The slave cylinder is connected hydraulically to the clutch master cylinder. The clutch master is where you add fluid.
The clutch master cylinder is high up on the drivers side firewall, next to and slightly farther outward than the brake cylinder, it is the smaller of the two.
drivers side firewall high up and behind the brake master cylinder, it is a small white reservoir with a black cap.
It was the clutch master cylinder. It finally went completely out. I checked the slave cylinder, it looked and operated ok, so I assumed it was the master cylinder, I replaced it, it works now.
Probably on top of the slave cylinder
inside the transmission bell housing