Chevrolet 1977 10 Series, Repair Manual, Page: 288 / 468

(350)7A-4
OVERHAUL MANUAL
EXTENSION H O U S IN G
LIP SEAL
Fig. 7 A - 5 B ~ ln s t a llin g J - 2 1 5 7 1 - 8
Converter End Clearance Check
(Figs. 7A-5B, 7A-6B)
1. Fully release collet end of Tool J-2 1371-8.
2. Install collet end of Tool J-2 1371 -8 into converter hub
until it bottoms; then tighten cap nut to 5 ft. lbs. (fig. 7A-5B).
3. Install Tool J-2 1371 -3 and tighten hex nut to 3 ft. lbs.
(fig. 7A-6B).
4. Install Dial Indicator J-8001 and set it at "zero", while
its plunger rests on the cap nut of Tool J-2 1371-8.
5. Loosen hex nut while holding cap nut stationary. With
the hex nut loosened and holding Tool J-2 1371-3 firmly
against the converter hub, the reading obtained on the dial
indicator will be the converter end clearance. End clearance
should be less than .050". If the end clearance is .050" or
greater, the converter m ust be replaced.
Fig. 7 A - 7 B - R e m o v i n g Extension Ho usin g Lip Seal
REMOVAL OF EXTENSION, SPEEDOMETER
DRIVEN GEAR, GOVERNOR, OIL PAN AND
SCREEN
1. Remove four housing to case attaching bolts.
2. Remove extension housing form case and remove
square cut "0" ring seal from extension housing.
3. Remove extension housing lip seal using screw driver
(fig. 7A-7B).
4. If extension housing bushing is to be replaced, collapse
bushing (fig. 7A-8B) and refer to Figure 7A-98B for installa­
tion.
J-25020
EXTENSION HOUSING
BUSHING
Fig. 7A-6B--Checking Converter End Clearance
Fig. 7A-8B--Removing Extension Housing Bushing