Pontiac tempest 1968 Service Manual page 504

T W O SPEED A U T O M A T I C TRANSMISSION
7F-3
VENT LINE
IDENTIFICATION
O F MODEL
C O O L E R LINE TAPS
^ L O W S E R V O
DIRECT CLUTCH TAP
MAIN LINE PRESSURE TAP
V A C U U M MODULATOR
F i g . 7 F - 2 Transmission Model Identification
4. Check starter operation.
5
a
If starter operates in:
a. R E V E R S E , repeat steps 1 thru 3 , using
gauge or " 2 + n gauge until starter will not
operate in R E V E R S E position,,
b. DRIVE,
repeat steps 1 thru 3 , using
gauge or " 2 - " gauge until starter will not operate
in DRIVE position.
SHIFT CONTROL LINKAGE ADJUSTMENT
GEARSHIFT CONTROLS-COLUMN SHIFT
(Figs. 7F-5 and 7F-6)
1. Loosen screw (nut - Firebird) on adjusting
swivel clamp.
2 . Set transmission selector lever in DRIVE de­
tent.
NOTE: Obtain DRIVE position by rotating trans­
mission lever clockwise to PARK position, then
counterclockwise three positions to DRIVE position
(View B).
3 . Set upper gearshift lever against DRIVE stop
(View A).
4. Tighten screw on adjusting swivel clamp to 20
lb. ft. (Tempest); tighten nut on adjusting swivel
clamp to 30 lb. ft. (Firebird).
GEARSHIFT CONTROLS-CONSOLE SHIFT
(Figs. 7F-3 and 7F-4)
1. Disconnect shift cable from transmission selec­
tor lever pin.
2 . Rotate transmission selector lever clockwise to
PARK position and adjust pin on selector lever to
dimension shown in View A.
3 . Torque selector pin nut to 30 lb. ft., set the
gearshift lever in PARK position and connect shift
cable to pin.
SERVICE OPERATIONS-TRANSMISSION IN CAR
The
2-speed automatic transmission service op­
erations, that can be performed while transmission
is in car, are covered below:
SHIFT LINKAGE
If any components are worn or damaged so that re­
placement is necessary, refer to the Master Parts
Catalog to determine which items are serviced
separately and which are serviced in assembly.
PARK LOCK ACTUATOR ASSEMBLY, INNER PARK
LOCK AND RANGE SELECTOR LEVER
REMOVAL
1. Drain oil and remove pan.
2 . Remove oil strainer.
3. Remove park lock bracket and range selector
shaft retainer.
4„ Fully loosen nut that retains outer range selec­
tor lever to inner park lock and range selector lever.
5. Slide outer range selector lever out of case.
NOTE: Exercise care, when removing lever from
case, so that nut doesn't drop down into gear train.
6. Remove inner park lock and range selector
lever.
INSTALLATION
1. Installation is the reverse of removal.
SPEEDOMETER DRIVE GEAR, REAR BEARING
RETAINER OIL SEAL OR BUSHING REPLACEMENT
Oil Seal
1. Remove propeller shaft (see section 4C).
2 . Pry out old seal (Fig. 7F-7).
3 . Coat outer casing of new oil seal with gasket
sealing compound and drive it into place with in­
staller J 5154 (Fig. 7F-8).
4. Install propeller shaft (see section 4C).
Bushing and/or Drive Gear
1. Remove propeller shaft (see section 4C).