NipponRacing

Whenever I am coasting IN gear, any gear, The tranny makes some kinda grinding noise. does not sound like gear crunching noise. When I push in the clutch the sound goes away, and it also goes away when i'm in neutral. But it only does it when I'm coasting in gear, and not when I accelerate.
I've been told that this is due to a bad mainshaft bearing.
Now, I've opened up my tranny casing and found many bearings inside the tranny. Which one do I replace? Do I replace more than one bearing? Please help.

Rae

flip b18b

sounds like it could be your throw out bearing my civic's made a noise simular to what you described and i replaced the throw out bearing and it stoped

_BEN_

The gears could be shimmed incorrectly. Ive incountered this problem once after a close ratio gear set was installed. The edges of the gears were slightly rubbing on each other. The new pieces were slightly different than the original stock pieces so they had to be reshimmed.
Crap I dont remember It was a while ago I think it was the reverse gear was the one that was rubbing. I think I have a pic. Ill pop it up if i can find it.

I found the pic. I had some close ups but they came out blurry. I drew an arrow where the teeth had come in contact. Maby check if it grinds in reverse.



Modified by nosepkr at 7:46 PM 5/3/2003


Modified by nosepkr at 7:48 PM 5/3/2003

NipponRacing

if it's the throwout bearing, then it should make noise when I push IN the clutch right? and this tranny's never been opend, so it's an old stock tranny. also, it doesn't grind in reverse. I'm confused

Pravo2

iTrader: (2)

I had the same symptom (bad grinding/knocking noise ROLLING in any gear) with my 97' EX and the diagnosis was the same as well - bad mainshaft bearing. I went the battle axe method and replaced the entire tranny (replaced clutch at the same time) and no problems for almost a year.

_BEN_

Hmm I bet if the bearing went bad it could allow the shaft to move. Spin the gears by hand and see if anything is touching that isint supposed to. If you find something rubbing try pushing or pulling the pieces so they dont touch while doing so pay special attention to the bearings or anything else that that could cause the slop.