Transmission blown?

[rebelgt]

i Have a 78 280z with a 5 speed. the the car stalls and dosnt move in Reverse and it moves forward in nuetral. im pulling the trans tomorrow dose anyone have any idea what is wrong? also can i put a 4 speed trans in instead and if so what type of modifucations will i have to make? thanks in advance.

[Matches]

Does the car move in any other gear? Problems getting the transmission into gear? What causes the car to stall in reverse?

The 4 spd will go in, but you may find the gearing unfavorable.

[rebelgt]

the car runs in 2nd, 3rd, 4th ,5th. not sure why its stalling but no matter how much throttle u give it it stalls if u dont engage the clutch or bring it out of reverse. it gose into gears alittle hard and its a littile stiff in nuetral.

Edited January 11, 2009 by rebelgt
missed answer to question

[Matches]

So it wont move then in reverse or first?

Can a gear freeze like that without the other gears freezing?

Strange. Is there oil in the tranny?

[Zealous]

Is the clutch disengaging/engaging properly? I had a problem with reverse when I had a leaky clutch slave cylinder. But sounds more like transmission always good to check the simply things before pulling the entire transmission

[rebelgt]

i just replace the slave cylinder and blead the system. the trans wont go into 3rd or 4th anymore. and the shifter is hard to move

[Zealous]

Still the problem with reverse?

The shifter being hard to move now after replacing the slave would seem to indicate to me that the clutch is not disengaging, but I am in no way an expert far from it actually. Try bleeding the system again and ensure that there is enough throw on the new slave to fully disengage the clutch. If i remember correctly there are 2 types of slaves one that is adjustable on the early 240z series 1 cars and the non adjustable type that replaced it.

[rebelgt]

hey i blead the system again and it still will stall in reverse wont go in 3rd or 4th and goes foreward in nuetral i just started pulling the trans.

[Zealous]

Ok good luck, always good to try the easy stuff first. Sorry I could not be more help

[Tarmac]

You can get a full transmission rebuild kit for under $200. I've got a link on my home computer, i'll post it later.

I also have a link to a sweet rebuild instruction page

[Nigel1943]

hey i blead the system again and it still will stall in reverse wont go in 3rd or 4th and goes foreward in nuetral i just started pulling the trans.

Sounds to me like a selector fork problem. The roll pins in the selectors have been known to break causing the tranny trying to get two gears at a time.

[Tarmac]

here's the link to the rebuild kit

http://www.drivetrain.com/nissian4_5sprwd.html

and how to do it...

http://www.atlanticz.ca/zclub/techtips/transmissionbreakdown/index.html

take lots of pics, and post them!