Dodge Ram Truck 1500-2500-3500. Manual — part 1663
CAUTION: The primary oil filter seal MUST be fully
installed flush against the oil pump body. DO NOT
install the seal onto the filter neck and attempt to
install the filter and seal as an assembly. Damage
to the transmission will result.
50. Install a new primary oil filter seal in the oil pump
inlet bore. Seat the seal in the bore with the butt
end of a hammer, or other suitable tool.
51. Install the primary oil filter (1) and the oil cooler
return filter (2). Tighten the screw to hold the pri-
mary oil filter to the valve body to 4.5 N·m (40
in.lbs.). Using Oil Filter Wrench 8321, tighten the
cooler return oil filter to the transmission case to
14 N·m (125 in.lbs.).
52. Apply RTV silicone to the oil pan and install the transmission oil pan. Tighten the bolts to 12 N·m (105 in.lbs.).
53. Install the input (3), output (1), and line pressure
sensors (2). Tighten the bolts to 12 N·m (105
in.lbs.).
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AUTOMATIC TRANSMISSION - 45RFE/545RFE - SERVICE INFORMATION
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INSTALLATION
1. Check torque converter hub and hub drive flats for
sharp edges burrs, scratches, or nicks. Polish the
hub and flats with 320/400 grit paper and crocus
cloth if necessary. Verify that the converter hub
o-ring is properly installed and is free of any debris.
The hub must be smooth to avoid damaging pump
seal at installation.
2. If a replacement transmission is being installed,
transfer any components necessary, such as the
manual shift lever and shift cable bracket, from the
original transmission onto the replacement trans-
mission.
3. Lubricate oil pump seal lip with transmission fluid.
4. Align converter and oil pump.
5. Carefully insert converter in oil pump. Then rotate
converter back and forth until fully seated in pump
gears.
6. Check converter seating with steel scale (1) and
straightedge (2). Surface of converter lugs should
be at least 13mm (1/2 in.) to rear of straightedge when converter is fully seated.
7. Temporarily secure converter with C-clamp.
8. Position transmission on jack and secure it with
chains.
9. Check condition of converter driveplate. Replace
the plate if cracked, distorted or damaged. Also be
sure transmission dowel pins are seated in
engine block and protrude far enough to hold
transmission in alignment.
10. Apply a light coating of Mopar
T
High Temp
Grease to the torque converter hub pocket in the
rear pocket of the engine’s crankshaft.
11. Raise transmission (2) and align the torque con-
verter with the drive plate and transmission con-
verter housing with the engine block.
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AUTOMATIC TRANSMISSION - 45RFE/545RFE - SERVICE INFORMATION
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12. Move transmission forward. Then raise, lower or
tilt transmission to align the converter housing
with engine block dowels.
13. Carefully work transmission forward and over
engine block dowels until converter hub is seated
in crankshaft. Verify that no wires, or the transmis-
sion vent hose, have become trapped between
the engine block and the transmission.
14. Install two bolts to attach the transmission to the
engine.
15. Install remaining torque converter housing to
engine bolts. Tighten to 68 N·m (50 ft.lbs.).
16. Install transfer case, if equipped. Tighten transfer
case nuts to 35 N·m (26 ft.lbs.).
17. Install rear support to transmission. Tighten bolts
to 47 N·m (35 ft.lbs.).
18. Lower transmission onto crossmember and install bolts attaching transmission mount to crossmember. Tighten
clevis bracket to crossmember bolts to 47 N·m (35 ft.lbs.). Tighten the clevis bracket to rear support bolt to 68
N·m (50 ft.lbs.).
19. Remove engine support fixture.
20. Connect gearshift cable to transmission.
21. Connect wires to solenoid and pressure switch
assembly (2) connector.
22. Connect wires to input speed sensor (2).
23. Connect wires to output speed sensor (2).
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24. Connect wires to line pressure sensor (2). Be
sure transmission harnesses are properly routed.
CAUTION: It is essential that correct length bolts
be used to attach the converter to the driveplate.
Bolts that are too long will damage the clutch sur-
face inside the converter.
25. Install torque converter-to-driveplate bolts. Tighten
bolts to 31 N·m (270 in. lbs.).
26. Install starter motor and cooler line bracket.
27. Connect cooler lines to transmission.
28. Install transmission fill tube.
29. Install exhaust components, if necessary.
30. Install the structural dust cover (2) (Refer to 9 -
ENGINE/ENGINE BLOCK/STRUCTURAL COVER
- INSTALLATION) onto the transmission and the
engine.
31. Align and connect propeller shaft(s).
32. Adjust gearshift cable if necessary.
33. Install any skid plates removed previously. (Refer
to 13 - FRAMES & BUMPERS/FRAME/TRANS-
FER CASE SKID PLATE - INSTALLATION)
34. Lower vehicle.
35. Fill transmission with Mopar
T
ATF +4, Automatic Transmission Fluid.
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