Jeep Grand Cherokee WK. Manual — part 1483
18. Using grease, install both Teflon rings in the
groove at the rear of the output shaft so that the
joint stays together.
19. Mount transmission housing on converter housing.
20. Screw in Torx socket bolts through the transmis-
sion housing into the converter housing. Tighten
the bolts to 20 N·m (177 in.lbs.).
NOTE: Verify that there are no nicks or other irreg-
ularities in the surface of the transmission case
that will cause an inaccurate measurement.
21. Measure end-play between park pawl gear and
grooved ball bearing in order to select the proper
geartrain end-play shim.
22. Place Gauge Bar 6311 (1) on transmission hous-
ing. Using a depth gauge, measure from the gauge bar (1) to the parking lock gear (2).
23. Using a depth gauge, measure from the Gauge
Bar 6311 (1) to the contact surface of the output
shaft bearing (2) in the transmission housing.
24. Subtract the first figure from the second figure to
determine the current end-play of the transmis-
sion. Select a shim such that the end-play will be
0.3-0.5 mm (0.012-0.020 in.). Shims are available
in thicknesses of 0.2 mm (0.008 in.), 0.3 mm
(0.012 in.), 0.4 mm (0.016 in.), and 0.5 mm (0.020
in.).
25. Install the selected end-play shim.
26. Screw in Torx socket bolts through the converter
housing into the transmission housing. Tighten the
bolts to 20 N·m (177 in.lbs.).
27. Install output shaft bearing (2) in rear transmission
housing. Using Bearing Installer 9287 (1), install
the output shaft bearing (2) into the transmission
housing. The closed side of the plastic cage
must point towards the parking lock gear.
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AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION
WK
28. Install the retaining ring (1). Ensure that the
retaining ring is seated correctly in the groove.
29. Check that there is no play between the bearing
and the retaining ring using feeler gauge.
30. There must be no play between the retaining ring
and the bearing. If the ring cannot be installed, a
thinner ring must be used. If there is play between
the ring and the bearing, a thicker ring must be
installed. Retaining rings are available in thick-
nesses of 2.0 mm (0.079 in.), 2.1 mm (0.083 in.),
and 2.2 mm (0.087 in.).
31. Rotate the transmission so that the bellhousing is
pointed upward and ensuring that the output shaft
is allowed to move freely.
32. Measure input shaft end-play.
NOTE: If end-play is incorrect, transmission is
incorrectly assembled, or the geartrain end-play
shim is incorrect. The geartrain end-play shim is
selective.
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 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 input shaft in and out and record reading. End play should be 0.3-0.5 mm (0.012-0.020 in.). Adjust as
necessary.
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AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION
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33. Install the output shaft washer onto the output
shaft.
34. Install a new transmission rear seal into the trans-
mission case with Seal Installer 8902A (1).
35. Place the transmission in PARK to prepare for the
installation of the output shaft nut.
36. Inspect the seal protector on the rear of the out-
put shaft flange. Replace the seal protector if
damaged. the seal protector can be removed
using a suitable pry tool and installed with a suit-
able tube style tool.
37. Install the propeller shaft flange onto the output
shaft and install an new flange nut. Tighten the
flange nut to 200 N·m (147.5 ft.lbs.).
38. Place the Staking Tool 9078 (2) and Driver Handle
C-4171 onto the output shaft.
39. Rotate the Staking Tool 9078 (2) until the align-
ment pin (3) engages the output shaft notch (4).
40. Press downward on the staking tool (1) until the
staking pin (3) contacts the output shaft nut flange
(2).
41. Strike the Driver handle C-4171 with a suitable
hammer until the output shaft nut is securely
staked to the output shaft.
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AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION
WK
42. Install electrohydraulic unit (2). Tighten the bolts
to 8 N·m (71 in.lbs.).
43. Install oil filter (4).
44. Install oil pan (5). Tighten the bolts to 8 N·m (71
in.lbs.).
45. Install guide bushing (12).
46. Install the torque converter.
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AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION
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