OK.... I have searched I have browsed I have looked high and low still can't figure this out. I have a 90 4runner that's been parked for a fair bit but run on occasion. I am trying to resurrect the beast but have been beating my head against a wall for days. The rundown: I parked it as it didn't suit my needs at the time. Started it and moved it through the last few years always at least running it around the block. one of the last times I moved it developed a coolant leak (turned out to be the hose running from block to heater core I think). But also the last few times I moved it I had more and more trouble getting it to shift. The very last time I moved it I could barely get disengage to shift. This time got in and couldn't get it to shift except grind reverse. It shifts fine for all but 5th and reverse when the engine is off and the pedal is not depressed. I figured ok I horse beat clutches a bit so ordered a new clutch Aisin. Figured well screw it I'm in there we will do clutch master and slave, rear main seal, throwout bearing, idle bearing?, and the flywheel. Got it all back together still won't disengage. Put the old clutch slave and master in as there were differences between old and new, also tried swapping the shoe that pins to the clutch pedal between old and new. (also tried new and old combos) It still won't disengage. Adjusted the master in both directions within comfort making sure it had threads still both old and new, and still won't disengage. Checked for cracks in the mount for the pedals, but none. I'm at a total loss. Did I miss a spacer behind the flywheel or something... The clutch fork I am pretty sure is ok. it seemed fine though I admit I didn't inspect it super well. I did try to pull it off too while I was in there and gave up trying to get it out. I really don't want to have to go to a shop, But I have no idea what else to do. Tonight I pinned down the clutch pedal hoping if there is by chance any air in the system it will burp out. Please help!!!!

Finally took the thing to a mechanic $900 dollars later it was the friction plate being backward.