it should be on the bulk head "fire wall" on the drivers side, looks verysimilarto a brake master cylinder except there should only be one line coming out of it going to the transmission
How to change a clutch and master cylinder on a 93 jeep wrangler
you might have a air in your clutch system or your clutch master/or slave could be worn.
replace the bushing where the clutch pedal attaches to the master cylinder arm.
master cylinder is the one where the brake fluid is stored and its in the top left hand side of your car right in front of the steering wheel in the engine conpartment
it's on the firewall beneath the left rad support rod
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.
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drivers side firewall high up and behind the brake master cylinder, it is a small white reservoir with a black cap.
It sure sounds like your clutch is worn
look at the right side of the firewall.