Dodge Ram Truck 1500-2500-3500. Manual — part 1770
7. Place transmission case in upright position, or
place blocks under front end of transmission repair
stand to tilt case rearward. This makes it easier to
install front/rear clutch assembly (1).
8. Align discs in rear clutch. Then install and engage
assembly (1) in front planetary and driving shell.
Turn clutch retainers back and forth until both
clutches are seated.
9. Position front band lever (1) in case and over servo
rod guide. Then install front band lever pin in case
and slide it through lever.
10. Coat threads of front band pin access plug with
sealer and install it in case. Tighten plug to 17
N·m (13 ft. lbs.) torque.
11. Slide front band over front clutch retainer and
install front band strut (2) and anchor (3).
12. Tighten front band adjusting screw until band is
tight on clutch retainer. This will hold clutches in
place while oil pump is being installed. Verify that
front/rear clutch assembly is still properly
seated before tightening band.
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AUTOMATIC TRANSMISSION - 48RE - SERVICE INFORMATION
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OIL PUMP
1. Install oil pump Pilot Studs C-3288-B (2) in case.
2. Install new oil pump gasket (1) on pilot studs and
seat it in case. Be sure gasket is properly aligned
with fluid passages in case.
3. Coat the reaction shaft thrust washer (1) with
petroleum jelly to hold it in place. Then install
washer over reaction shaft hub and seat it on
pump.
CAUTION: The thrust washer bore (I.D.), is cham-
fered (2) on one side. Make sure the chamfered
side is installed so it faces the pump.
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AUTOMATIC TRANSMISSION - 48RE - SERVICE INFORMATION
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4. Check seal rings (1) on reaction shaft support. Be
sure rings are hooked together correctly. Also be
sure fiber thrust washer (3) is in position . 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 the seal if necessary.
6. Lubricate oil pump seals with petroleum Mopar
T
ATF +4.
7. Mount oil pump on pilot studs and slide pump into
case opening (1). Work pump into case by hand.
Do not use a mallet or similar tools to seat
pump.
8. Remove pilot studs (2) 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 interme-
diate shafts and check for bind. If bind exists, com-
ponents are either mis-assembled, or not seated.
Disassemble and correct as necessary before
proceeding.
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INPUT SHAFT END PLAY CHECK
NOTE: Overdrive unit must be installed in order to
correctly measure the input shaft end-play.
1. Measure input shaft end play.
NOTE: If end play is incorrect, transmission is
incorrectly assembled, or reaction shaft thrust
washer is incorrect. The reaction shaft thrust
washer is selective.
a. Attach Adapter 8266-5 (2) to Handle 8266-8
(1).
b. Attach dial indicator C-3339 (3) to Handle
8266-8 (1).
c. Install the assembled tool onto the input shaft
of the transmission and tighten the retaining
screw on Adapter 8266-5 to secure it to the
input shaft.
d. Position the dial indicator plunger against a flat
spot on the oil pump and zero the dial indica-
tor.
e. Move input shaft in and out and record reading. End play should be 0.86 - 2.13 mm (0.034 - 0.084 in.).
Adjust as necessary.
ACCUMULATOR, VALVE BODY, OIL PAN, AND TORQUE CONVERTER
1. Install accumulator inner spring (3)(V-10 engine
only), piston (1), and outer spring (2)(diesel engine
only).
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