Rep Power: 0

Okay I have a 5-Spd 2002 Honda Civic (em2), and I've done my research about this noise I have coming from what i think is my tranny.
Doesn't make any screech, whine, grind, when idling, but once I throw it into first, and second gear, with the clutch out, around 2k rpms, it just makes this noise that just pisses me off.
I've had 3 mechanics look at it and they all said it was the throwout bearing. I had someone replace the throwout bearing a couple days ago and the sound got worse.
I told him it was the input shaft bearing because of what I have gained throughout these forums, but he refuses to acknowledge this. He said my clutch is slipping and that it might be the clutch disk making the noise, but he also said the clutch looked like it was in fair condition when he replaced the T/O.
Also, since he replaced the T/O it's been such a battle getting it into reverse; it seems to get stuck in between neutral and reverse and I have to wiggle it around to get it into place, would getting a new clutch fix this?
Anybody with a solution to any of this? IMO I really think it's the ISB, but what do I know, I'm just a college student. ._.

 
Rep Power: 242

If the car is in neutral try shifting into first gear then shifting into reverse. I had an old accord that did that and shifting into first before reverse stopped it from grinding. I believe I was told it was my throw out bearing but I can't remember. It was either that or the synchro. How many miles are on it?

 
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Need something clarified: when you say let clutch out- you mean release the clutch pedal? or press.
do this!
no touch clutch pedal (in neutral or driving in gear)= usually noise internal to transmission bearings.

press down on clutch pedal.vehicle stopped in gear= usually throwout bearing or pilot bearing- (bearing which holds input shaft in hole of flywheel). This bearing spins when input shaft of transmission is stopped in a gear with cluch pedal pressed. there are no bearings internal to transmission spinning.

press down on clutch pedal , transmission in neutral. vehicle stopped, quickly release and press on clutch pedal= the pilot bearing should typically reduce in noise (if noisy ) as the input shaft should spin up to crank speed only to slow down again (pilot stops spinning then spins up )

regardless of throwhout or pilot- a proper clutch change recommends replacement of both these bearings.

Your pilot may be dry (should have been at least checked or lubed when to was done). it may "grab" the input shaft, spinning it up and preventing easy gear change.

allways assuming that your clutch is good! and the noise really is from transmission