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21 - 72
AUTOMATIC TRANSMISSION
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(3) Check condition o f the s h i f t rods, control lever,
bushings, washers and torque shaft (Fig. 1). Tighten,
repair, or replace w o r n or damaged parts.
(4) Loosen t h e shift r o d adjusting swivel lock screw.
Be sure t h e swivel t u r n s freely o n t h e rod.
(5) V e r i f y t h a t the valve body shift control lever is
i n P a r k detent. Move t h e lever a l l the w a y r e a r w a r d
to check.
(6) A d j u s t swivel position (on t h e shift rod) to a ob-
t a i n free p i n fit i n t h e torque shaft lever (Fig. 1).
Then t i g h t e n t h e swivel
lock screw to 90 in-lbs
torque.
(7) Check adjustment b y s t a r t i n g t h e engine i n
P a r k and N e u t r a l . E n g i n e should start i n these posi-
tions only. I f e n g i n e s t a r t s i n a n y p o s i t i o n o t h e r
t h a n P a r k o r N e u t r a l , a d j u s t m e n t i s i n c o r r e c t o r
n e u t r a l s w i t c h i s f a u l t y .
GROMMET
FRONT ROD
ASSEMBLY
BRACKET
ASSEMBLY
REAR
ROD
^>
LOCK SCREW
| r
RBAfKFT
GEARSHIFT
BRACKET
CONTROL
WASHER
LEVER
- RETAINER
PU500
Fig. 1 Column Gearshift Linkage
THROTTLE LINKAGE ADJUSTMENT
(1) Retract ISC actuator w i t h D R B I I , or w i t h
j u m p e r wires as follows:
(a) I f D R B I I is used, connect tester to diagnos-
tic connector i n engine compartment (connector is
located near SBEC connector). Start engine a n d
place D R B I I i n i n " T h r o t t l e Body M i n i m u m A i r
F l o w Test". Disconnect electrical connector o n ISC
actuator. T h e n s h u t engine off and disconnect D R B
I I tester. A c t u a t o r i s now f u l l y retracted.
(b) I f j u m p e r wires are used, shut engine off
and disconnect electrical connector a t ISC actuator.
Connect p a i r of j u m p e r wires to battery. Connect
negative j u m p e r to top p i n o f ISC actuator and pos-
i t i v e j u m p e r to second p i n o f actuator. Leave j u m p -
ers connected for no more t h a n five seconds t h e n
disconnect them. A c t u a t o r is now f u l l y retracted.
(2) Raise vehicle to make adjustment at transmis-
sion t h r o t t l e lever.
(3) Loosen adjustable swivel lock screw (Fig. 2). B e
sure swivel slides freely on t h r o t t l e r o d so t h a t r e -
t u r n spring action i s not restricted.
(4) Disassemble a n d clean linkage parts i f b i n d i n g
was encountered i n step (3). Clean l i n k a g e p a r t s as
necessary.
(5) H o l d transmission t h r o t t l e lever firmly f o r w a r d
against i t s i n t e r n a l stop a n d t i g h t e n swivel
lock
screw to 90 in-lbs (10 Nnn) torque.
(6) Lower vehicle
(7) Check l i n k a g e freedom o f operation. V e r i f y t h a t
l i n k a g e backlash is removed b y r e t u r n spring. Press
t h r o t t l e r o d r e a r w a r d a n d release i t slowly. Rod
should r e t u r n t o f u l l forward position w h e n released.
(8) Reconnect ISC actuator.
(9) Reposition ISC actuator for n o r m a l operation as
follows. T u r n i g n i t i o n key to O N position for a m i n -
i m u m o f five seconds. D o n o t s t a r t t h e e n g i n e .
T h e n t u r n key t o O F F position. A c t u a t o r is n o w po-
sitioned for n o r m a l operation.
FRONT (KICKDOWN) BAND ADJUSTMENT
The front (kickdown) band adjusting screw is lo-
cated on t h e left side of the transmission case above
t h e m a n u a l valve and t h r o t t l e valve levers.
(1) Raise t h e vehicle.
(2) Loosen t h e band adjusting screw l o c k n u t . T h e n
back t h e l o c k n u t off 4-5 t u r n s . Be sure t h e adjusting
screw t u r n s freely i n t h e case.
(3) T i g h t e n t h e band adjusting screw t o 72 i n c h -
pounds (8 N n n ) torque. However, i f adapter extension
C-3705 is used o n t h e torque wrench, t i g h t e n t h e
screw to only 47-50 i n c h pounds (5 N n n ) torque ( F i g .
3).
(4) Back off the band adjusting screw 2-1/2 t u r n s .
(5) H o l d t h e adjuster screw i n position and t i g h t e n
the locknut to 30 ft-lbs (41 Nnn) torque.
(6) Lower t h e vehicle.
REAR (LOW-REVERSE) BAND ADJUSTMENT
The transmission o i l p a n m u s t be removed for ac-
cess to t h e rear band adjusting screw.
(1) Raise t h e vehicle.
(2) Remove t h e transmission o i l p a n and d r a i n t h e
f l u i d .
(3) Loosen t h e band adjusting screw l o c k n u t 5-6
t u r n s . Be sure the adjusting screw t u r n s freely i n t h e
lever.
(4) T i g h t e n the adjusting screw to 8 N n n (72 in-lbs)
torque (Fig. 4).
(5) O n A-998/999 transmissions, back off t h e a d -
j u s t i n g screw f o u r t u r n s . O n A-727 transmissions,
back off the adjusting screw t w o t u r n s .
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