63 Transmissions, reverse and park
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63 Transmissions, reverse and park



The aluminum case Torqueflite was introduced in 62.  Basically with the
minor exceptions of cable shift vs non cable shift, parking gear and rear
pump the transmission was changed very little over the next several decades
until the lock up converter came along and then the overdrive 518 trans.

As far as the post today about no reverse, a very likely culprit is the
low-reverse band  or the anchor for it.  If the rest of the shifting is
correct, check to see if it still works in manual Low - with the 1 button
pushed in.  If it does, then the band is applying.  At that point the
diagnosis gets a bit more complicated.  It is still a very easy transmission
to work on , as is any other aluminum case torqueflite.

There was another post about no parking gear, but the vehicle still rolled
along as if it was in neutral. I would suspect the parking sprag or rod has
a problem. This is a purely mechanical device that locks the output shaft
when you put the car in park.  They can and will break the parking lock off
if someone has put the car into park at too high of a speed, or since the
trans had been rebuilt, perhaps someone made an error.

Either way, a copy of Motors Automatic Transmission Overhaul ( the big book
version, its kinda spendy ) or an ATSG ( Automatic Transmission Service
Group ) or ATRA ( Automatic Transmission Rebuilders Association ) manual can
get you all the pertinent info you need.  The ATSG guides are probably 60
pages or so , written with the mechanic in mind, and are very reasonably
priced.

Mikey
62 Crown Coupe




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