Dodge D150 1990 Service Manual page 938

•
AUTOMATIC TRANSMISSION 21 - 87
TRANSMISSION AND TORQUE CONVERTER REMOVAL/INSTALLATION
INDEX
Page
Converter And Drive Plate Service 88
Pump Oil Sea! 88
Starter Ring Gear Replacement 87
TRANSMISSION AND CONVERTER REMOVAL
T h e t r a n s m i s s i o n a n d t o r q u e c o n v e r t e r m u s t
b e r e m o v e d a s a n a s s e m b l y ; o t h e r w i s e , t h e c o n -
v e r t e r d r i v e p l a t e , p u m p b u s h i n g , o r o i l seal m a y
b e d a m a g e d . T h e d r i v e p l a t e w i l l n o t s u p p o r t
t r a n s m i s s i o n w e i g h t . D o n o t a l l o w t h e p l a t e t o
s u p p o r t t r a n s m i s s i o n w e i g h t a t a n y t i m e d u r i n g
r e m o v a l .
(1) Disconnect the battery negative cable.
(2) Disconnect and lower or remove necessary ex-
haust components. Refer to Group 11 f o r procedures.
(3) Remove engine-to-transmission struts, i f so
equipped.
(4) Remove fluid cooler lines a t transmission.
(5) Remove starter motor and cooler l i n e bracket.
(6) Remove torque converter access cover.
(7) Loosen o i l pan bolts and t a p p a n t o break i t
loose a l l o w i n g fluid to d r a i n . T h e n r e i n s t a l l pan.
(8) M a r k torque converter and d r i v e plate for as-
sembly alignment. The crankshaft flange bolt circle,
i n n e r a n d outer circle o f holes i n t h e d r i v e plate and
t h e tapped holes i n t h e front face o f t h e torque con-
verter a l l have one hole offset. T h i s ensures t h a t
these parts are i n s t a l l e d i n the o r i g i n a l position t o
m a i n t a i n balance of the engine a n d torque converter.
(9) Rotate engine i n clockwise direction ( w i t h
socket w r e n c h on v i b r a t i o n dampener bolt) u n t i l con-
verter bolts are accessible. Then remove t h e bolts.
(10) M a r k propeller shaft U-joint a n d axle yoke
parts for assembly alignment. T h e n disconnect and
remove popeller shaft.
(11) Disconnect wires from n e u t r a l s t a r t switch and
lockup solenoid, i f so equipped.
(12) Disconnect gearshift rod and torque shaft as-
sembly f r o m transmission. W h e n necessary to discon-
nect l i n k a g e rods f r o m levers t h a t use plastic
grommets as retainers, grommets should be replaced
w i t h n e w ones. Use p r y tool t o remove r o d from
g r o m m e t a n d cut away old grommet. Use pliers to
snap n e w grommet i n t o lever a n d t o snap rod r o d
i n t o grommet a t assembly.
(13) Disconnect t h r o t t l e rod f r o m lever a t the left
side o f transmission. Remove l i n k a g e b e l l c r a n k from
transmission, i f so equipped.
(14) Remove oil f i l l e r tube and speedometer cable.
Page
Transmission And Converter Installation
. . . . . . . . 89
Transmission And Converter Removal 87
(15) I n s t a l l engine support f i x t u r e Tool C-3487-A
w i t h frame hooks (or a suitable substitute) t o support
rear o f engine (Fig. 1).
(16) Raise transmission s l i g h t l y w i t h service j a c k
to relieve load on the supports.
(17) Remove bolts securing transmission m o u n t t o
crossmember and crossmember t o frame a n d remove
crossmember.
(18) Remove a l l converter h o u s i n g bolts.
(19) Carefully w o r k transmission and torque con-
verter assembly rearward o f f engine block dowels
and disengage torque converter h u b from end of
crankshaft. A t t a c h a small C-clamp to edge o f bell
housing t o hold torque converter i n place d u r i n g
transmission removal.
(20) Lower transmission a n d remove assembly from
under the vehicle.
(21) To remove torque converter, remove C-clamp
from edge o f bell housing and carefully slide torque
converter out of the transmission.
Fig. 1 Typical Engine Support Fixture
STARTER RING GEAR REPLACEMENT
The starter r i n g gear on nonlockup torque convert-
ers can be removed and a new gear welded i n place.
However, lockup torque converters w i t h a damaged
starter r i n g gear m u s t be replaced as a n assembly.
The heat from welding w o u l d damage the converter
lockup clutch friction m a t e r i a l .