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Car Forum / Nissan / Nissan Cars / August 200791 Pathfinder tranny or clutch noise
So my 91 Pathfinder 5 spd. tranny one day started making this loud noise when the clutch is let out. The only way to explain it putting some baseballs into a bucket and rolling them around. It does it in all but 4th gear. 4th gear is quiet. The noise get louder at I accelerate, and when the clutch is pushed in, it goes away. This is odd to me. when the truck is in nuetral and the clutch is out, I can hear it but it's not near as loud, as soon as I'm in gear though and let it out it starts. Like I said, gears 1-3 and 5 all make the same amount of noise, but 4th is silent. Any ideas? You have a problem with the countershaft bearings in the transmission when the clutch is pushed in the countershaft will stop spinning, hence the noise stops > So my 91 Pathfinder 5 spd. tranny one day started making this loud > noise when the clutch is let out. The only way to explain it putting [quoted text clipped - 6 lines] > and let it out it starts. Like I said, gears 1-3 and 5 all make the > same amount of noise, but 4th is silent. Any ideas? > You have a problem with the countershaft bearings in the transmission > > when the clutch is pushed in the countershaft will stop spinning, hence the > noise stops<product...@newgilpictures.org> wrote in message > > news:1187386676.571080.302610@r23g2000prd.googlegroups.com... This would cause the noise but still make 1 gear completely quiet? How is this fixed? Am I better off with a new transmission or having the one I have rebuilt? > > So my 91 Pathfinder 5 spd. tranny one day started making this loud > > noise when the clutch is let out. The only way to explain it putting [quoted text clipped - 8 lines] > > - Show quoted text - This would cause the noise but still make 1 gear completely quiet? How is this fixed? Am I better off with a new transmission or having the one I have rebuilt? >> You have a problem with the countershaft bearings in the transmission >> [quoted text clipped - 18 lines] >> > and let it out it starts. Like I said, gears 1-3 and 5 all make the >> > same amount of noise, but 4th is silent. Any ideas?- Hide quoted text - I ran into the same situation with my 280zx. Only difference is your absence of noise in 4th gear which I can't really explain. The fact that it is noise/vibrates in neutral with the clutch engaged, but goes away when the clutch pedal is pressed in indicates that either your front mainshaft or countershaft bearings are bad. That doesn't exclude other problems though. When I was researching my 280zx problem, I ran across some renderings that explained the manual transmission pretty well. http://en.wikipedia.org/wiki/Manual_transmission look at the bottom of the page. Rebuild kits are available at http://www.drivetrain.com/transmanualrebuildkit.html and considering how much of a pain in the a.s the transmission is to pull, you'll probably want to replace the clutch too. Chris > When I was researching my 280zx problem, I ran across some renderings that > explained the manual transmission pretty well. > http://en.wikipedia.org/wiki/Manual_transmission look at the bottom of the > page. Howstuffworks has a great explanation of how manual transmissions work: http://auto.howstuffworks.com/transmission.htm |
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