Jeep Grand Cherokee WK. Manual — part 1480
9. Disconnect the gearshift cable (3) from the trans-
mission manual valve lever.
10. Remove the shift cable (3) from the gearshift
cable bracket (2).
11. Disconnect 13-pin plug connector (1). Turn bayo-
net lock of guide bushing (2) anti-clockwise.
12. Remove
the
13-pin
connector
(1)
from
the
transmission.
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WK
13. Disconnect transmission fluid cooler lines (2) at
transmission (1).
14. Disconnect the transmission vent hose from the
transmission.
15. Remove the bolts (4) holding the transmission fill
tube (2) to the transmission (1).
16. Support rear of engine with safety stand or jack.
17. Raise transmission slightly with service jack to
relieve load on crossmember and supports.
18. Remove bolts securing rear support and cushion
to transmission crossmember.
19. Remove bolts attaching crossmember to frame
and remove crossmember.
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20. Remove all remaining bolts (2) holding the engine
(1) to the transmission (3). Note the location of
any wiring harness clips (4).
21. Carefully work transmission and torque converter
assembly rearward off engine block dowels.
22. Hold torque converter in place during transmission
removal.
23. Lower transmission and remove assembly from
under the vehicle.
24. To remove torque converter, carefully slide torque
converter out of the transmission.
DISASSEMBLY
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 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/TRANSMISSION CONTROL MODULE - STANDARD PROCEDURE).
NOTE: Tag all clutch pack assemblies, as they are removed, for reassembly identification.
1. Remove the torque converter (1).
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2. Place transmission in a vertical position.
3. Measure input shaft end play as follows:
a. Attach Adapter 8266-18 (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 8266-18 (2) 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 the input shaft in and out. Record the
maximum travel for assembly reference.
4. Loosen guide bushing (12) and remove from trans-
mission housing.
5. Detach oil pan (5).
6. Remove oil filter (4).
7. Unscrew Torx socket bolts (3) and remove electro-
hydraulic unit (2).
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AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION
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