Probably your master cylinder; slave cylinder usually fails catastrophically. Dirty clutch fluid contaminants can get in the cylinder seals and allow air into the system. Might be ok for a little while, but it will happen again. And eventually the seals will fail completely.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed |
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