Dodge D150 1990 Service Manual page 944

•
AUTOMATIC TRANSMISSION 21 - 93
S U B A S S E M B L Y O V E R H A U L
INDEX
Page
Front CIutch-A-727 99
Front Clutch-A-998/999 97
Front (Kickdown) Servo And Band—All . . . . . . . . 106
Oil Pump And Reaction Shaft Support—A-727 . . . 95
Oil Pump And Reaction Shaft Support—A-998/999 . 93
Overrunning Clutch 106
Planetary Gear Train—A-727 . . . . . . . 105
Page
Planetary Gear Train—A-998/999 . . . . . . . . . . . . 104
Rear Clutch-A-727 . . . . . . 102
Rear Clutch-A-998/999 101
Rear (Low-Reverse) Servo And Band-All . . . . . . 107
Transmission Assembly . 107
Transmission Case 106
OIL PUMP AND REACTION SHAFT SUPP0RT-A-
998/999
PUMP AND SUPPORT DISASSEMBLY
(1) Remove the support bolts and separate the sup-
port and p u m p body (Fig. 6).
(2) Remove the O - r i n g seal from pump body.
(3) Remove the p u m p seal w i t h punch.
I n s t a l l the gears i n the pump body and measure
end clearance w i t h a feeler gauge and straightedge
(Fig. 7). Clearance should be .010 - .063 m m (.0004 -
.0025 i n ) .
R E A C T I O N S H A F T
S U P P O R T
I N N E R G E A R
O U T E R G E A R
"O" R I N G
P U M P H O U S I N G
R N 3 1
S T R A I G H T E D G E
Fig. 6 Oil Pump And Reaction Shaft Support Components—A-998/999
(4) M a r k t h e p u m p gears for assembly reference
and remove the gears.
(5) Remove the seal rings from the reaction shaft
support (Fig. 6).
(6) Clean the p u m p and support components w i t h
solvent and d r y t h e m w i t h compressed air.
PUMP AND SUPPORT INSPECTION
Inspect the p u m p a n d support components. Replace
the pump or support i f the seal r i n g grooves or ma-
chined surfaces are w o r n , scored, pitted, or damaged.
Replace the p u m p gears i f p i t t e d , w o r n chipped, or
damaged. Inspect the No. 1 t h r u s t washer for dam-
age. Then check the support-to-front clutch retainer
t h r u s t washer. Replace the washer i f worn.
Replace the p u m p b u s h i n g and the reaction shaft
support bushing i f scored, w o r n or damaged.
F E E L E R
G A U G E
P U M P
G E A R S J 9 0 2 1 - 5 3
Fig. 7 Measuring Pump Gear End Clearance—Ail