545RFE Automatic Transmission (Service Information): Removal: Removal

CAUTION: The transmission and torque converter must be removed as an assembly to avoid component damage. The converter drive plate, oil pump, or oil seal can be damaged if the converter is left attached to the drive plate during removal. Be sure to remove the transmission and converter as an assembly.

Fig 1: Structural Dust Cover

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1 - STRUCTURAL COVER

2 - BOLTS

1. Disconnect the negative battery cable.
2. Raise and support the vehicle
3. Remove the rear propeller shaft. Refer to Differential and Driveline/Propeller Shaft/SHAFT, Drive - Removal
4. Remove the front propeller shaft. Refer to Differential and Driveline/Propeller Shaft/SHAFT, Drive - Removal
5. Remove the engine to transmission structural cover (1) , 5.7L shown in Fig 1. Refer to Engine/Engine Block/COVER, Structural Dust - Removal
   Fig 2: Remove Torque Converter Bolts

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   1 - TRANSMISSION

   2 - DRIVE PLATE

   3 - TORQUE CONVERTER BOLTS

6. Remove the torque converter bolts (3) .
   Fig 3: Disconnect Input Speed Sensor

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   1 - TRANSMISSION

   2 - INPUT SPEED SENSOR

7. Remove the exhaust support bracket from the rear of the transmission.
8. Disconnect and lower or remove any necessary exhaust components.
9. Remove the starter motor.
10. Rotate crankshaft in clockwise direction until converter bolts are accessible. Then remove bolts one at a time. Rotate crankshaft with socket wrench on dampener bolt.
11. Disconnect the input speed sensor (2) connector.
    Fig 4: Disconnect Output Speed Sensor

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    1 - TRANSMISSION

    2 - OUTPUT SPEED SENSOR

12. Disconnect the output speed sensor (2) connector.
    Fig 5: Disconnect Transmission Solenoid/Transmission Range Selector Assembly

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    1 - TRANSMISSION

    2 - TRANSMISSION SOLENOID/TRS ASSEMBLY

13. Disconnect the solenoid and pressure switch assembly (2) connector.
    Fig 6: Disconnect Line Pressure Sensor

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    1 - TRANSMISSION

    2 - LINE PRESSURE SENSOR

14. Disconnect the line pressure sensor (2) connector.
    Fig 7: Transmission Shift Cable

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    1 - TRANSMISSION

    2 - MANUAL LEVER

    3 - SHIFT CABLE

    4 - SHIFT CABLE BRACKET

    5 - BOLT

15. Disconnect gearshift cable (3) from transmission manual valve lever (2) and shift cable bracket (4).
    Fig 8: Removing/Installing Transfer Case

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    1 - NV140 TRANSFER CASE

    2 - NUTS

    3 - TRANSMISSION

    4 - TRANSFER CASE VENT TUBE

16. If necessary, remove the NV140 transfer case (1) from the transmission (3). Refer to Transmission and Transfer Case/Transfer Case - Removal
    Fig 9: Removing/Installing NV245 Transfer Case

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    1 - NV245 TRANSFER CASE

    2 - NUTS

    3 - TRANSMISSION

    4 - TRANSFER CASE VENT TUBE

17. If necessary, remove the NV245 transfer case (1) from the transmission (3). Refer to Transmission and Transfer Case/Transfer Case - Removal
    Fig 10: Oil Pan To Transmission Bolts

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    1 - BOLTS

18. Remove the engine oil pan to transmission bolts (1) , 5.7L only.
    Fig 11: Transmission Fill Tube

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    1 - TRANSMISSION

    2 - FILL TUBE

    3 - DIPSTICK

    4 - BOLTS

19. Remove the bolt (4) holding the transmission fill tube (2) to the transmission (1) and remove the fill tube.
    Fig 12: Transmission Lines

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    1 - TRANSMISSION

    2 - TRANSMISSION OIL COOLER LINES

20. Disconnect transmission fluid cooler lines (2) at transmission (1) fittings and clips.
    Fig 13: Remove Transmission to Engine Bolts

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    1 - ENGINE

    2 - TRANSMISSION

    3 - BOLTS

    4 - WIRING HARNESS CLIPS

21. Disconnect the transmission vent hose from the transmission.
22. Support rear of engine with safety stand or jack.
23. Raise transmission slightly with service jack to relieve load on crossmember and supports.
24. Remove bolts attaching crossmember to frame and remove crossmember.
25. Remove all remaining transmission (2) to engine (1) bolts (3).
    Fig 14: Removing/Installing Transmission

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    1 - ENGINE

    2 - TRANSMISSION

26. Carefully work transmission (2) and torque converter assembly rearward off engine (1) block dowels.
27. Hold torque converter in place during transmission removal.
28. Lower transmission and remove assembly from under the vehicle.
29. To remove torque converter, carefully slide torque converter out of the transmission.