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DR
AUTOMATIC TRANSMISSION - 48RE (Continued)
(4) Check seal rings on reaction shaft support. Be
sure rings are hooked together correctly. Also be sure
fiber thrust washer is in position (Fig. 58). Use extra
petroleum jelly to hold washer in place if necessary.
(5) Check the torque converter hub seal ring on
the reaction shaft for damage. Also check that the
seal ring rotates freely in the reaction shaft groove.
Replace if necessary.
(6) Lubricate oil pump seals with petroleum
Mopar ATF +4.
(7) Mount oil pump on pilot studs and slide pump
into case opening (Fig. 59). Work pump into case
by hand. Do not use a mallet or similar tools to
seat pump.
(8) Remove pilot studs and install oil pump bolts.
Tighten pump bolts alternately and evenly to fully
seat pump in case. Then final-tighten pump bolts to
20 N·m (15 ft. lbs.) torque.
(9) Verify correct installation. Rotate input and
intermediate shafts and check for bind. If bind exists,
components are either mis-assembled, or not seated.
Disassemble and correct as necessary before proceed-
ing.
Fig. 57 Reaction Shaft Thrust Washer
1 - THRUST WASHER
2 - CHAMFERED SIDE OF WASHER BORE GOES TOWARD
PUMP
AUTOMATIC TRANSMISSION - 48RE
Fig. 58 Reaction Shaft Seal Ring And Thrust Washer
1 - SEAL RINGS
2 - REACTION SHAFT SUPPORT
3 - THRUST WASHER (FIBER)
Fig. 59 Oil Pump
1 - SEAT OIL PUMP IN CASE BY HAND
2 - REMOVE PILOT STUDS WHEN PUMP IS SEATED
21 - 351
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