Nag1 Automatic Transmission (Service Information): Removal

NOTE: If the transmission is being reconditioned (clutch/seal replacement) or replaced, it is necessary to perform the TCM Adaptation Procedure using the scan tool. Refer to STANDARD PROCEDURE .

Fig 1: Disconnect Propeller Shaft

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1. Disconnect the negative battery cable.
2. Raise and support the vehicle.
3. Remove the exhaust system.
4. For AWD vehicles, remove the transfer case. Refer to REMOVAL .
5. Remove front axle. Refer to REMOVAL .
6. For RWD vehicles:
   • Mark propeller shaft (1) and the transmission flange (4) for assembly alignment.
   • Remove the bolts (2) holding the rear propeller shaft coupler (3) to the transmission flange (4).
   • Slide the propeller shaft (1) rearward until the coupler clears the propeller shaft pilot (5) on the transmission output shaft.
   Fig 2: Relocate Starter

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   NOTE: The starters are located on the right side of the transmission for RWD vehicles and they are on the left side for AWD vehicles.
7. Remove the bolts (2) holding the starter motor (1) to the transmission. Refer to REMOVAL .
8. Remove the starter (1) from the transmission starter pocket and safely relocate.
   Fig 3: Removing Torque Converter Access Cover

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9. Remove the bolt (2) holding the torque converter access cover (1) to the transmission.
10. Remove the torque converter access cover (1) from the transmission.
    Fig 4: Removing Torque Converter Bolts

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11. Remove any splash shields necessary to gain access to the crankshaft damper bolts.
12. For gas engines, rotate crankshaft in clockwise direction until converter bolts (1) are accessible. Then remove bolts (1) one at a time. Rotate crankshaft with socket wrench on dampener bolt.
    Fig 5: Torque Converter To Flex Plate Bolts & Fluid Lines

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13. For diesel engines, rotate crankshaft in clockwise direction until converter bolts (1) are accessible. Then remove bolts (1) one at a time. Rotate crankshaft with socket wrench on dampener bolt.
    Fig 6: Disconnect Shift Cable

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14. Disconnect the gearshift cable (1) from the transmission manual valve lever (3).
15. Loosen the bolts holding the shift cable retaining strap (2) to the transmission.
16. Remove the shift cable (1) from the transmission.
    Fig 7: Removing/Installing Wiring Connector Plug

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17. Disconnect 13-pin plug connector (1). Turn bayonet lock of the adapter plug (2) anti-clockwise.
18. Remove the 13-pin connector (1) from the transmission.
19. Remove the fill tube bolt at the transmission case.
    Fig 8: Transmission Lines

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20. Disconnect transmission fluid cooler lines (1) at transmission fittings (2) and clips (3).
21. Disconnect the transmission vent hose from the transmission.
    Fig 9: Locating Transmission Mount, Crossmember & Bolts

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22. Raise transmission slightly with service jack to relieve load on crossmember and supports.
23. Remove bolts (2) securing rear support and cushion (3) to transmission crossmember (1).
24. Remove bolts attaching crossmember (1) to frame and remove crossmember.
    Fig 10: Removing Transmission to Oil Pan Bolts

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25. Remove the bolts (1) holding the engine oil pan (2) to the transmission (3), gas engines.
    Fig 11: Removing Transmission to Engine Bolts

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26. Remove all remaining bolts (2) securing the transmission (3) to the engine block (1).
27. While removing the fill tube from the transmission case, carefully work transmission and torque converter assembly rearward off engine block dowels.
28. Hold torque converter in place during transmission removal.
29. Lower transmission and remove assembly from under the vehicle.
30. To remove torque converter, carefully slide torque converter out of the transmission.