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Home >> Chrysler >> 2012 >> 300 AWD V6-3.6L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Removal and Replacement >> NAG1 Automatic Transmission >> Installation

Installation






INSTALLATION

1. Check torque converter hub and hub drive flats for sharp edges burrs, scratches, or nicks. Polish the hub and flats with 800/1000 grit paper and crocus cloth if necessary. 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 transmission.
3. Lubricate oil pump seal lip with transmission fluid.










4. Place torque converter (1) in position in transmission (2).

CAUTION: Do not damage oil pump seal or converter hub while inserting torque converter into the front of the transmission.

5. Align torque converter to oil pump seal opening.
6. Insert torque converter hub into oil pump.
7. While pushing torque converter inward, rotate converter until converter is fully seated in the oil pump gears.
8. Check converter seating with a scale and straightedge (A). Surface of converter lugs should be at least 19 mm (3/4 in.) to rear of straightedge when converter is fully seated.
9. If necessary, temporarily secure converter with C-clamp attached to the converter housing.










10. 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.
11. Apply a light coating of Mopar(R) High Temp Grease to the torque converter hub pocket in the rear pocket of the engine's crankshaft.
12. Raise transmission (3) and align the torque converter with the drive plate and the transmission converter housing with the engine block (1).
13. Move transmission forward. Then raise, lower, or tilt transmission to align the converter housing with the engine block dowels.
14. While installing the fill tube into the transmission case, carefully work transmission forward and over engine block dowels until converter hub is seated in crankshaft. Verify that no wires, or the transmission vent hose, have become trapped between the engine block and the transmission.
15. Install two torque converter housing bolts (2) to attach the transmission to the engine.
16. Install the remaining torque converter housing to engine bolts (2). Tighten to 39 Nm (29 ft.lbs.).
17. Install the fill tube bolt at the transmission case. Tighten the bolt to 12 Nm (105 lbs in.).










18. Install the transmission (3) to engine oil pan (2) bolts (1). Tighten to 39 Nm (29 ft.lbs.).

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 surface inside the converter.

19. For gas engines, install all torque converter-to-driveplate bolts (1) by hand.

20. Verify that the torque converter is pulled flush to the driveplate. Tighten bolts to 42 Nm (31 ft. lbs.).










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 surface inside the converter.

21. For diesel engines, install all torque converter-to-driveplate bolts (1) by hand.





22. Verify that the torque converter is pulled flush to the driveplate. Tighten bolts to 42 Nm (31 ft. lbs.).

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.

23. Install starter motor (1). Starter - Installation





24. Route the gearshift cable (1) through the mounting bracket (2).
25. Engage the gearshift cable (1) eyelet onto the transmission manual shift lever (3).
26. Install the gearshift cable retaining clip (4) (if equipped).










27. Check O-rings on plug connector (1), and replace if necessary.
28. Install the plug connector (1) into the adapter plug (2). Turn bayonet lock of the adapter plug (2) clockwise to connect plug connector (1).










29. Position the heat shield (2), if equipped, onto the transmission housing and install the screw (1) and bolt (3) to hold the shield in place.










30. Connect the cooler line fittings (2) and cooler lines (1) to the transmission.










31. For AWD vehicles, install the transfer case, BW 44-40 Transfer Case - Installation.
32. For RWD vehicles:
a. Align and connect the propeller shaft (1). Propeller Shaft - Installation





33. Install rear support (3) to transmission. Tighten bolts to 47 Nm (35 ft.lbs.)
34. Install rear transmission crossmember (1). Tighten crossmember to frame bolts to 68 Nm (50 ft.lbs.).
35. Lower transmission onto crossmember and install bolts attaching transmission mount to crossmember. Tighten clevis bracket to crossmember bolts (2) to 47 Nm (35 ft.lbs.).
36. Install exhaust components.
37. Install any necessary splash shields.
38. Adjust gearshift cable if necessary.
39. Lower vehicle.
40. Connect negative battery cable.
41. Fill the transmission with the appropriate transmission fluid according to the standard procedure NAG1 Automatic Transmission

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 NAG1 Only .

42. Verify proper operation.

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