schizm12487

1968 318 with I think a 904 3sp auto tranny. I seem to have lost 3rd gear in my auto transmission. Car shift into drive fine and shifts from 1st gear to 2nd gear beautifully. However, it doesn't shift into 3rd gear. Also, am noticing a lot of shuddering in reverse. I don't know much about automatic transmissions, but I thought low and reverse were on the same band/drum. Why is low to 2nd fine but reverse shudders and no 3rd?

moe7404

NOTE: i nam NOT a trans expert. rev uses a band that is only used in rev and when the lever is pulled into low. but not D which chrysler calls breakaway, which is still low gear. 3 ed uses the front clutch. and the rear clutch came in with breakaway and stays in through 2 nd and 3 rd. new subject: i found an EXTERANAL trans filter. use after the trans is fixed. goes in the IN LINE the one on the left side at the rear. its a past sorry

man o man i about forgot yes its a cut & past sorry. __________________
after you clean the trans. add this to your*chrysler*trans. an external fluid filter
1. go to auto-zone. get 2210, its called a power steering filter, but it is for transs to. it is for 3/8 tubing. by (magna-fine) be sure to use high pressure hose. Reff:http://www.magnafilter.com.au/magna-fine.html*
2. for other sizes wix 58964 5/16 tube size reff:http://www.wixfilters.com/filterlook...sionfilter.asp

TVLynn

The only thing you can do is Check the throttle pressure adjustment and the band adjustments. Any more you probably need a rebuild

Coronet 500

No 3rd shows faulty rear clutch, not related to reverse. Reverse shudder can be band, not related to 3rd. Faulty valve body or improper pressure related to both conditions.

1st test would be checking line pressures, with special tools.
2nd would be valve body removal and inspection.

No easy answer here as long as fluid is full, both tests need good knowledge of transmissions. Maybe you could find a shop to do a pressure test for you. A good shop will have the proper equipment and shouldn't take too long to do.