Dodge RAM TRUCK 1500 1995 Service Manual page 1451

21 - 168 42RH TRANSMISSION OVERHAUL ~ - ^ - ^ B R
OIL SEAL
REACTION SHAFT
SUPPORT
GASKET
O-RING
SEAL
PUMP HOUSING
THRUST
WASHER
Fig. 40 Oii Pump And Reaction
pumps has a n e w design d r i v e lug. The n e w de­
sign incorporates drive flats instead of the
square l u g used previously; The t o r q u e con­
verter hub has also been redesigned to accept
the new drive. If pump gear replacement is nec­
essary, be very sure to order and install the
new style gears.
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. 41). Clearance should be 0.010 - 0.06 mm
(0.0004 - 0.0025 in.).
STRAIGHT EDGE
fij'j!
J9321-215
Fig. 41 Measuring Pump Gear End Clearance
J 9 4 2 M 5 1
Shaft Support Components
Measure clearance between the outer gear and the
pump body (Fig. 42). 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
measure clearance (Fig. 43). Clearance should be
0.08 - 0.19 mm (0.0035 - 0.0075 in.).
FEELER
GAUGE
INNER
GEAR
J9321-216
Fig. 42 Measuring Pump Housing-To-Inner Gear
Clearances
REPLACING &il PPJMP BUSHENQ
(1) Remove pump bushing with Tool Handle
C-4171 and Bushing Remover SP-3551 (Fig. 44).
(2) Install new pump bushing with Tool Handle
C-4171 and Bushing Installer SP-5117 (Fig. 44).
Bushing should be flush with pump housing bore.