1999 Ford Ranger

Transmission problem
1999 Ford Ranger 6 cyl Four Wheel Drive Manual 187, 00 miles

I have a 5 spd 99 ranger with about 187K on it and it has been an awesome truck, still runs great! Recently it has had trouble shifting up and down like it wont go into gear. And at a stop light it shudders like it wants to stall, sometimes. It seems like the clutch isn't engaged all the way but of course it is. I'm worried it may be a serious transmission problem but hopefully it's just a clutch or slave cylinder. I did add some clutch fluid and it seemed to solve the problem completely for about a week then started back up. Any ideas for a financially weak college kid trying to make it? Thanks a lot!
STO raqnger 99
March 24, 2008.

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