4 spd. pops out of gear.
I rebuild probably 20 of these a year, I just did a trans for a guy for his 72 duster. He had same issue with grinding, I finally ended up driving an hour down to take a look for myself. First thing I noticed was he had one of the shift tabs on wrong gear selector shaft, next was wrong linkage! He swore up and down it was adjusted right, which in neutral, was correct, but once you move the shifter both shifter tabs move and than you get grinding. We got his tabs on right and a new set of linkage from Van’s auto I believe, doesn’t matter they all use same supplier, but anyway that solved the grinding. Now on to the popping out of gear issue, 99% of time it’s worn keys on the synchro hubs, or a broken spring. The springs hold the keys up , which in turn holds it in gear. Popping out normally happens on deceleration, because it not under load. Feel free to message me if you have any questions. This is the transmission I am referring to after I rebuilt it for him and installed rods and tabs correctly.
Jeff
I rebuild probably 20 of these a year, I just did a trans for a guy for his 72 duster. He had same issue with grinding, I finally ended up driving an hour down to take a look for myself. First thing I noticed was he had one of the shift tabs on wrong gear selector shaft, next was wrong linkage! He swore up and down it was adjusted right, which in neutral, was correct, but once you move the shifter both shifter tabs move and than you get grinding. We got his tabs on right and a new set of linkage from Van’s auto I believe, doesn’t matter they all use same supplier, but anyway that solved the grinding. Now on to the popping out of gear issue, 99% of time it’s worn keys on the synchro hubs, or a broken spring. The springs hold the keys up , which in turn holds it in gear. Popping out normally happens on deceleration, because it not under load. Feel free to message me if you have any questions. This is the transmission I am referring to after I rebuilt it for him and installed rods and tabs correctly.
Jeff
