Antique Automatic Transmission Parts
Sold by David Edwards
Buick Dynaflow, 1948-1960
Torque Ball, U-Joint & Rear Bearing Retainer Illustrations
(See below for special 1956 info)
Torque Ball Retainer Kits
with the Rubber Bonded Inside the Retainer
New reproductions, not rebuilts, no
exchange required
1948-52 TB retainer #5646, rear seal #5644 and two retainer gaskets #3237L
1953-55 TB retainer #5646, rear seal #5644A, two retainer gaskets #3237L and the TB to Torque tube gasket #3325L
1956 TB retainer #5646, rear
seal #5644A, two
retainer gaskets #3237L the TB to Torque tube
gasket #3325L and TB retainer outer rubber o'ring #3434L
- See below for special 1956
info*
1957-58 TB retainer #5646, rear
seal #5644A one retainer gasket #3237L the TB to Torque tube gasket
#3325L, a TB retainer outer rubber o'ring #3434L and a TB retainer inner rubber
o'ring
#3433L
1959-60 TB retainer #5646, rear
seal
#5644B, one retainer gasket #3237L the TB to Torque tube o'ring
#3622L, a TB retainer outer rubber o'ring #3434L, and a TB retainer inner rubber o'ring
#3433L
(The SP-132 Seal Kit shown below is only used in the 1948-52 transmissions, it is not required in the later years. I do not have any.)
(I have the transmission mounts,
#5631, for the 1948-59, , the thrust pad, #5632, for the 1948-56 and #5632A, for the 1957-59's.)
*Info for 1956 Dynaflow only
A. The original 1956 torque ball, AT-5645, had rubber molded on the outside.
B. The original outer torque ball retainer,
AT-5646, was
plain on the inside, and had no rubber bonded to it.
C. Buick discontinued the torque ball with
the rubber bonded to it and
put the rubber on the inside of the outer torque ball retainer instead.
D. The Buick instructions said to buff off
the rubber on the 1956 torque
ball using a wire wheel and then replace the outer torque ball retainer
(AT-5646) with one that has rubber bonded to it on the inside.
Note: Rubber can not rub against rubber!
E. Potential
Problem - Some, if not all, 1956 torque balls (AT-5645) had rubber molded
on the inside also.
Do not remove the rubber on the inside unless it has been damaged! If you
have to remove the inside rubber, or
it has already been removed, you will now require a different
style of the AT-5643 inner torque ball retainer
to get the clearances correct. This P/N is AT-5643A or
Buick P/N 1168451, I do not have this special
retainer.
F. The spacer, part number AT-5641 is Buick
P/N 1323147 and I do not have.
It is only used in the 1956 Dynaflows.
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