1977 dodge sportsman motorhome transmission

but I seriously doubt that that's the case here. this could be a stuck servo, broken band, broken servo spring. Something could have happened to the low/reverse servo, and the low reverse band is way too tight on the gear. there is one more reason it might have locked up: Once the mechanism jams at the pawl or the park rod, it won't come unjammed without some brute force. It's common in cars of all ages, but the weight and force of a motorhome rocking back from reverse to park can jam the mechanism (kind of like parking on a hill without a parking brake.). Why did this happen? when you backed up on the blocks, you stuck it in park and the movement of the wheels loaded the park pawl backwards and jammed it. this used to fix the problem on the old 904 transmissions. You can also try a strap wrench on the drive shaft, rotating the shaft aggressively and have someone manipulate the gear selector aggressively at the same time. With a little luck, it hasn't bent and jammed, just got stuck! You'll probably also have to take the driveshaft off or jack up the rear end to allow you to take the load off the park rod. Keep in mind that rocking the trans like this (neutral drops.ouch!) can damage the trans or the pawl, but I drove that truck another 6 or 7 years and it never had any further symptoms with the tranny after that one time.ДЄ different (and proper) way to fix it if you can, is to remove the trans pan and look for the park rod and release it (towards the rear of the trans vale body behind the servo. Scared the livin crap out of me since I was in a 1 ton truck (72 dodge D300) and a trailer about 1000 miles from home with not enough tools or money to fix it. and by a couple I mean do it twice, drive reverse than drive reverse again don't do it any more than you have to if it doesn't free, STOP! (maintaining about 2000 rpm while switching gears). When this happened to me years ago, I was able to 'unstick' it by rocking the transmission between reverse and drive a couple times. when the pawl gets stuck, the valve body will still shift, but the pawl doesn't release. Please make sure your parking brake is free, whether its on the driveshaft or the rear brakes (remove the driveshaft, if you have too, to verify this).

1977 dodge sportsman motorhome transmission