Chrysler DODGE D150 1993 Service Manual page 1163

21 - 162 TRANSMISSION OVERHAUL—32RH
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install valve and shaft at this time. These parts are
not installed until after governor and park gear are
in place on output shaft.
(3) Install new seal rings on park gear if neces­
sary.
(4) Insert filter screen in park gear and install
governor body on park gear. Tighten attaching bolts
finger tight only. Bolts will not be final tightened
until after governor and park gear are mounted on
output shaft.
OIL PUMP AND REACTION SHAFT SUPPORT
OVERHAUL
PUMP AND SUPPORT DISASSEMBLY
(1) Remove seal from around pump housing (Fig.
40).
Fig. 40 Removing Pump Housing Seal—32RH
(2) Mark pump housing and support assembly for
alignment reference.
(3) Loosen bolts t h a t attach pump body to support
(Fig. 41).
Fig. 41 Loosening Pump Support Bolts
(4) Remove pump-to-support bolts and separate
support from pump housing (Fig. 42).
(5) Remove inner and outer gears from reaction
shaft support (Fig. 43).
(6) If pump seal was not removed during transmis­
sion disassembly, remove seal with punch and ham­
mer.
(7) Remove front clutch thrust washer from sup­
port hub (Fig. 44).
J9321-213
Fig. 42 Separating Pump Housing From Reaction
Shaft Support-32RH
J9321-214
Fig. 43 Pump Gear Removal—32RH
OIL PUMP AND REACTION SHAFT SUPPORT
CLEANING AND INSPECTION
Clean pump and reaction shaft support components
with solvent and dry them with compressed air.
Inspect the pump housing and support components.
Replace the housing or support if the seal ring
grooves or machined surfaces are worn, scored, pit­
ted, or damaged.
Replace the pump gears if pitted, worn chipped, or
damaged. Inspect the thrust washer for wear or dam­
age. Replace the washer if necessary. N o t e t h a t t h e
i n n e r g e a r u s e d i n 1993 32RH oil p u m p s h a s a
n e w d e s i g n d r i v e l u g . T h e n e w d e s i g n i n c o r p o ­
r a t e s d r i v e flats i n s t e a d of t h e s q u a r e l u g u s e d
p r e v i o u s l y . T h e 1993 t o r q u e c o n v e r t e r h u b h a s
a l s o b e e n r e d e s i g n e d t o a c c e p t t h e n e w d r i v e . If
p u m p g e a r r e p l a c e m e n t is n e c e s s a r y , b e v e r y
s u r e t o o r d e r a n d install t h e n e w style g e a r s .
Inspect the pump and reaction shaft support bush­
ings. Minor bushing wear is acceptable. Replace the
bushings only if scored, or severely worn.
Install the gears in the pump housing and measure
end clearance with a feeler gauge and straightedge
(Fig. 45). Clearance should be 0.010 - 0.06 mm
(0.0004 - 0.0025 in.).
Measure clearance between the outer gear and the
pump body (Fig. 46). Clearance should be 0.08 - 0.19
mm (0.0035 - 0.0075 in.).
Measure gear tooth clearance with a feeler gauge.
Align one tooth of the outer gear in inner gear and