D300 can't shift

Did you shim the springs? New detent balls? Overtightened pivot bolts?
 
Assuming the simple things jeepinmatt suggested are all OK...

I can't imagine this still being a problem... BUT, several years back I installed a set of these gears for a customer and the furnished notched-rail was blue along the edges of the notch (dull cutter), and the rail was actually warped (bent) from the heat & pressure.

The only thing I can think of would be to pull the rail and check it for straightness as the only things that move during a shift are the rail, fork, and clutch sleeve. The Dana 18/20s & 300s are all very simple transfer cases.
 
I remember the rail looking so shiney and pretty. It wasn't warped. Someone told me I might have the shift forks reversed. Is that possible? Would that cause the problem?
 
GubNi said:
I remember the rail looking so shiney and pretty. It wasn't warped. Someone told me I might have the shift forks reversed. Is that possible? Would that cause the problem?
Click to expand...

I just put a D300 back together last week and it's still sitting on my work bench . But, I can't positively remember if it would be possible to put the forks in wrong or not. The way I remember them being drilled for the setscrews it just might be though. :confused:

Pull the bottom cover off and have a look.
 
Granny said:
I just put a D300 back together last week and it's still sitting on my work bench . But, I can't positively remember if it would be possible to put the forks in wrong or not. The way I remember them being drilled for the setscrews it just might be though. :confused:
Pull the bottom cover off and have a look.
Click to expand...

If I pull the cover what would I look for?
 
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