tractorboy Posted August 15, 2012 Share Posted August 15, 2012 Hi, Wondering if anyone can help. Havent had my 76 280z for long but it has developed a problem. I can shift into 5th gear but I get no drive and its like I have shifted into neutral. I have no mechanical knowledge when it comes to transmissions, but does anyone have any idea what could be up? Would I need a whole new box? I have had my worries about the diff as the gear changes have always been very clunky and rough, usually when I come off the clutch. Thanks Quote Link to comment Share on other sites More sharing options...
duragg Posted August 15, 2012 Share Posted August 15, 2012 Either the linkage rods are fouled up. or,, the nut came off the shaft and 5th gear is sitting next to the drain plug. How is reverse doing? Quote Link to comment Share on other sites More sharing options...
tractorboy Posted August 15, 2012 Author Share Posted August 15, 2012 Whats the easiest way to check? Reverse is fine, along with all of the other gears Quote Link to comment Share on other sites More sharing options...
duragg Posted August 15, 2012 Share Posted August 15, 2012 Pull the drain plug and finger up in there..? Replace probably best option. Or live with it. No expert here. I have rebuilt 2 of them though. Quote Link to comment Share on other sites More sharing options...
evildky Posted August 15, 2012 Share Posted August 15, 2012 Just to be clear, this car has had a 5 speed swap and you have had it in 5th gear before right? I noticed it was a 76 and they of course did nto come with 5 speeds. Quote Link to comment Share on other sites More sharing options...
tractorboy Posted August 16, 2012 Author Share Posted August 16, 2012 Yep this car had a 5 speed swap done by the previous owner. I have been using 5th gear up until yesterday! Looks like I may have to track down a new box then Quote Link to comment Share on other sites More sharing options...
2802NR Posted August 18, 2012 Share Posted August 18, 2012 It's really not hard to pull that trans, split the case and see what you got. I too was once scared of the inner workings of a manual transmission so I paid to have it re-built. When I had problems after my rebuild, I took it back to the driveline shop where it sat under their bench for over a month untouched. Took it back home, removed the case and saw the problem right away. the roll pin that holds 3rd/4th selector fork to the shift rod wiggled almost all the way out. Why? they re-used the old roll pins. . . probly didn't have any metric stuff at the shop I bet. Put in a new set of pins and it's been great ever since. that was about 6 or 7 years ago. I went a little deeper this year, replacing the 3rd gear syncro(balk ring) that had a hitch ever since the missed gear that pushed out that roll pin that day. Now it shifts better than it ever has. My point to this rant is, Don't be scared to atleast see what you have, I mean what do you have to loose? a 5spd that already has issues? could be something as simple as a 35 cent piece from the hardware store that the "professionals" still overlooked at an inflated price. The beauty of this trans unlike some, you can really play with the whole thing with the case off, shift it thru every gear while spinning. It made me realize how simple they really are. Quote Link to comment Share on other sites More sharing options...
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