Chapter
7
Part
B
Automatic transmission
78-5
ADJUSTING
SCREW
ADAPTER
,
EXTENSION
IN-LB
TORQUE
,WRENCH
5.8 The rear band adjusting screw is accessible after
removing the transmission pan
5.5 An adapter extension and inch-pound torque wrench
are required t o adjust the front transmission band
5 Bands
adjustment
transmission)
Refer to illustrations
5.5 and
5.8
1
The transmission bands should be adjusted at the specified inter-
vals or when the automatic upshifts or downshifts become consistently
harsh and/or erratic.
2
Raise the vehicle and support it on jackstands.
Front band
3
The front band adjusting screw is located on the left side of the
transmission, just above the throttle valve control levers.
4
Loosen the adjusting screw locknut and back it off five turns. Check
the adjusting screw t o make sure
it
turns freely in the case, lubricating
it if necessary.
5
Using an
torque wrench, adapter extension and a
socket, tighten the adjusting screw t o the specified torque (see illustra-
tion). the adapter tool is not used, the alternate torque must be used.
6
Back the screw off t w o full turns.
7
Tighten the adjusting screw locknut to the specified torque while
holding the screw with a socket or wrench so it does not rotate.
Rear band
8
The rear band adjusting screw is accessible after removing the oil
pan (see illustration). Consequently, it's very convenient t o make this
adjustment at the time of the transmission fluid and filter change (see
Chapter
9
Remove the oil pan.
1 0 Loosen the adjusting screw locknut.
11 Tighten the adjusting screw with an
torque wrench and
a 114-inch socket t o the specified torque.
1 2 Back the adjusting screw out seven full turns.
Install the locknut, hold the screw with a socket or wrench so i t
cannot turn and tighten the locknut t o the specified torque.
1 4 Install the transmission pan and lower the vehicle.
6 Neutral start switch
-
check, adjustment and replacement
Three-speed transmission
Refer to illustration
6.2
1
The neutral start and back-up light switches are combined into one
unit. The switch has three terminals with the neutral switch being the
center one.
A ground for the starter solenoid circuit is provided through
the gearshift lever in only the Neutral and Park positions.
2
Raise the vehicle and place it securely on jackstands. Remove the
wiring connector from the neutral switch (see illustration) and test the
switch for continuity. Continuity should exist between the center ter-
minal and transmission case only when the gearshift is in Neutral and
Park. If the switch appears t o be faulty, check the shift linkage (see
Section
before replacing the switch.
3
Prior t o replacing the switch, place a container under i t t o catch
the transmission fluid.
4
Remove the switch and allow the fluid t o drain into the container.
5
Place the gearshift lever in Park and Neutral and check the lever
finger position and lever and shaft alignment with the switch opening.
6
Install the switch and seal, tightening the bolts t o the specified
torque.
7
Test the switch for continuity and plug in the connector.
8
Lower the vehicle and check the transmission fluid level (see
Chapter 1 adding the specified fluid as necessary.
NEUTRAL
CONTACT,
N
E
UT
RA
L
SWITCH
LEVER
PARK
CONTACT
6.2 The neutral start switch on the three-speed
transmission screws into the housing and contacts the
internal shift lever (transmission pan removed for clarity)
The Motor Manual Guy
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