Chevrolet 10 series 1973, Overhaul Manual

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A U T O M A T IC T R A N S M I S S I O N 7A -67
R E T A IN IN G
S P R IN G
S H A F T
Fig. 23T -R em ovin g Rear Oil Seal from Case
Extension
Fig. 21T--Removing Parking Shaft Retaining Spring
P A R K IN G
P A W L
SH A F T
Fig. 22T-Rem oving Parking Pawl, Shaft and Cup
Plug
6. Remove parking pawl return spring (fig. 20T).
NOTE: The following steps are to be
completed only if 1 or more of the parts
involved require replacement.
7. Remove parking pawl shaft retainer (fig. 2 IT).
8. Remove parking pawl shaft cup plug by inserting a
screwdriver, between the parking pawl shaft and
the case rib, and prying outwards (fig. 22T).
9. Remove parking pawl shaft and parking pawl (fig.
22T).
Removal of Rear Oil Seal and Case
Extension
1. If necessary to replace, pry rear oil seal from case
extension (fig. 23T).
2. Remove case extension to case attaching bolts.
3. Remove case extension to case gasket (fig. 24T).
4. Make front unit end play check as follows (fig.
25T):
a. Remove one front pump attaching bolt, and bolt
washer. (See Figure 25T for location).
b. Install a 3/8"-16 threaded slide hammer bolt or
J-9539, into bolt hole.
c. Mount a dial indicator on rod and index
indicator to register with end of turbine shaft.
OVERHAUL MANUAL