theres two things acting up with my tranny right now. the first is at a stop i'll let the clutch out and give it some gas like i normally do but its like the clutch isnt engaging or something because the car starts shaking. once i start moving the shaking stops. it does this in reverse too, but once it starts moving it stops like in first. someone told me it might be the clutch slave cylinder leaking hydralic fluid into the clutch area causing it to not engage. so i replaced that and it still does it, doesnt seem to happen as often as before i replaced the slave cylinder. my second problem is sometimes i will be slowing down and want to downshift but it wont go into the gear. i have to muscle it in. i'll let the clutch back out and push it back in but it still wont go in. this only happens when downshifting. any ideas?