Chevrolet 1973 Overhaul Manual page 306

Passenger car and light duty truck
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Fig. 2PG--Transmission Mounted in Fixture
holding speedometer driven gear in extension and
remove gear.
4. Remove transmission extension by removing five
bolts retaining extension to case. Note seal ring on
governor support.
5. Remove the speedometer drive gear from output
shaft as shown on Figure 3PG.
6. Remove the "C " clip from the governor shaft on
A U T O M A T IC T R A N S M IS S IO N
the weight side of the governor, then remove the
shaft and governor valve from the opposite side of
the governor assembly (fig. 4PG) and the urethane
washer.
7. Loosen the governor drive screw and remove the
governor assembly over the end of the output shaft
(fig. 5PG).
8. Remove the four bolts retaining the governor
support to the transmission case and remove the
support body, gasket and extension seal ring.
Transmission Internal Components
9. Rotate the holding fixture until the front of the
transmission is pointing up and remove the seven
oil pump bolts. The bolt holes are offset to facilitate
proper location upon installation.
10. Remove the oil pump and stator shaft assembly and
the selective fit thrust washer using adapter J-9539
and the slide weights from Tool J-6125 (fig. 6PG).
Note the two threaded holes to mount the pullers.
Remove the ring seal and gasket.
NOTE: The pump bolts have special sealing
washers which must be in place upon
installation.
11. Release the tension on the low band adjustment,
then, with transmission horizontal, grasp the
transmission input shaft and carefully work it and
the clutch assembly out of the case (fig. 7PG). Use
care so as not to lose the low sun gear (splined)
bushing from the input shaft. The low sun gear
thrust washer will probably remain in the planet
carrier.
Fig. 4P G -R em oving Governor Valve and Shaft
7A-3
OVERHAUL M ANUAL
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