Chrysler RG Voyager. Manual — part 1090
(38) Install the underdrive shaft assembly (Fig.
274).
(39) Install the #3 thrust washer to the underdrive
shaft assembly. Be sure five tabs are seated properly
(Fig. 275).
(40) Install the #3 thrust plate to the bottom of the
overdrive shaft assembly. Retain with petrolatum or
transmission assembly gel (Fig. 276).
(41) Install the overdrive shaft assembly (Fig. 277)
(Fig. 278).
(42) Reinstall overdrive and reverse clutch as
shown. Rechecking these clutch clearances is
not necessary.
Fig. 273 Install No. 2 Needle Bearing
1 - #2 NEEDLE BEARING (NOTE 3 SMALL TABS)
2 - TABS UP
Fig. 274 Install Underdrive Shaft Assembly
1 - UNDERDRIVE SHAFT ASSEMBLY
2 - #2 NEEDLE BEARING
Fig. 275 Install No. 3 Thrust Washer
1 - #3 THRUST WASHER (NOTE 5 TABS)
2 - UNDERDRIVE SHAFT ASSEMBLY
Fig. 276 Install No. 3 Thrust Plate
1 - OVERDRIVE SHAFT ASSEMBLY
2 - DABS OF PETROLATUM (FOR RETENTION)
3 - #3 THRUST PLATE (NOTE 3 TABS)
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41TE AUTOMATIC TRANSAXLE
21 - 381
INPUT CLUTCH ASSEMBLY (Continued)
OIL PUMP
DESCRIPTION
The oil pump is located in the pump housing inside
the bell housing of the transaxle case (Fig. 279). The
oil pump consists of an inner and outer gear, a hous-
ing, and a cover that also serves as the reaction shaft
support.
OPERATION
As the torque converter rotates, the converter hub
rotates the inner and outer gears. As the gears
rotate,
the
clearance
between
the
gear
teeth
increases in the crescent area, and creates a suction
at the inlet side of the pump. This suction draws
fluid through the pump inlet from the oil pan. As the
clearance between the gear teeth in the crescent area
Fig. 277 Install Overdrive Shaft Assembly
1 - OVERDRIVE SHAFT ASSEMBLY
2 - #3 THRUST PLATE
3 - #3 THRUST WASHER
Fig. 278 Overdrive/Underdrive Shafts
1 - OVERDRIVE SHAFT
2 - #3 THRUST PLATE (3 TABS)
3 - #3 THRUST WASHER (5 TABS)
4 - UNDERDRIVE SHAFT
5 - #2 NEEDLE BEARING (3 TABS)
6 - INPUT CLUTCH ASSEMBLY
21 - 382
41TE AUTOMATIC TRANSAXLE
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INPUT CLUTCH ASSEMBLY (Continued)
decreases, it forces pressurized fluid into the pump
outlet and to the valve body.
DISASSEMBLY
When disassembling the transaxle it is necessary
to inspect the oil pump for wear and damage.
(1) Remove the reaction shaft support-to-pump
body bolts (Fig. 280).
(2) Remove reaction shaft support from pump
housing (Fig. 281).
(3) Remove the pump gears (Fig. 282) and check
for wear and damage on pump housing and gears.
(4) Re-install the gears and check clearances.
Fig. 279 Oil Pump Assembly
1 - PUMP BODY
2 - OUTER GEAR
3 - INNER GEAR
4 - REACTION SHAFT SUPPORT
5 - SEAL RINGS (4)
6 - REACTION SHAFT
7 - CRESCENT
Fig. 280 Reaction Support-to-Pump Body Bolts
1 - BOLT (6)
2 - PUMP BODY
3 - REACTION SHAFT SUPPORT
Fig. 281 Reaction Shaft Support
1 - PUMP BODY
2 - PUMP GEARS
3 - REACTION SHAFT SUPPORT
Fig. 282 Oil Pump Assembly
1 - PUMP BODY
2 - OUTER GEAR
3 - INNER GEAR
4 - REACTION SHAFT SUPPORT
5 - SEAL RINGS (4)
6 - REACTION SHAFT
7 - CRESCENT
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41TE AUTOMATIC TRANSAXLE
21 - 383
OIL PUMP (Continued)
(5) Measure the clearance between the outer gear
and the pump pocket (Fig. 283). Clearance should be
0.089–0.202 mm (0.0035-0.0079 in.).
(6) Measure clearance between outer gear and
crescent (Fig. 284). Clearance should be 0.060-0.298
mm (0.0023-0.0117 in.).
(7) Measure clearance between inner gear and
crescent (Fig. 285). Clearance should be 0.093-0.385
mm (0.0036-0.0151 in.).
(8) Position an appropriate piece of Plastigage
across both pump gears.
(9) Align the Plastigage to a flat area on the reac-
tion shaft support housing.
(10) Install the reaction shaft to the pump housing
(Fig. 280). Tighten the bolts to 27 N·m (20 ft. lbs.).
(11) Remove bolts and carefully separate the hous-
ings. Measure the Plastigage following the instruc-
tions supplied.
(12) Clearance between both gear end faces and
the reaction shaft support should be 0.020-0.046 mm
(0.0008-0.0018 in.).
Fig. 283 Measuring Outer Gear-to-Pocket
1 - FEELER GAUGE
2 - OUTER GEAR
3 - PUMP BODY
Fig. 284 Measuring Outer Gear-to-Crescent
1 - FEELER GAUGE
2 - OUTER GEAR
3 - CRESCENT
4 - INNER GEAR
Fig. 285 Measuring Inner Gear-to-Crescent
1 - FEELER GAUGE
2 - OUTER GEAR
3 - CRESCENT
4 - INNER GEAR
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41TE AUTOMATIC TRANSAXLE
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OIL PUMP (Continued)
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