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18. Install the rear output shaft bearing into the rear
case (1) using Seal Installer 8152 (3) and Univer-
sal Handle C-4171 (2).
19. Install the rear output shaft bearing snap-ring into
the rear case half.
INPUT AND PLANETARY GEAR
1. Lubricate gears and thrust washers with recom-
mended transmission fluid.
2. Install bottom thrust washer (2) in low range gear
planetary (1). Be sure washer tabs are properly
aligned in gear notches.
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3. Install input gear (1) in low range gear (2). Be sure
input gear is fully seated.
4. Install remaining thrust washer (2) in low range
gear and on top of input gear (1).
5. Install retainer (2) on input gear (1).
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6. Install snap-ring (2).
7. Align and install low range/input gear assembly (2)
in front case (1). Be sure low range gear pinions
are engaged in annulus gear and that input gear
shaft is fully seated in front bearing.
8. Install snap-ring (2) to hold input/low range gear (1)
into front bearing.
9. Install a new input gear oil seal with Seal Installer
9036 and Universal Handle C-4171.
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SHIFT FORKS AND MAINSHAFT
1. Lubricate mainshaft splines with recommended
transmission fluid.
2. Coat the interior of the drive sprocket hub with
ATF+4 and install the drive sprocket drive hub (2)
onto the mainshaft (1).
3. Install the mode hub (2) onto the mainshaft (1).
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4. Install the mode hub (2) retaining ring (3) onto the
mainshaft (1).
5. Install the clutch gear (2) onto the output shaft (1).
Verify that the pointed ends of the clutch gear teeth
are pointing to the front of the mainshaft.
6. Lubricate sector shaft with transmission fluid and
install shift sector (1) in case. Position slot in sector
so it will be aligned with shift fork pin when shift
forks are installed.
7. Apply Loctite™ 242, or equivalent, to the threads of
the sector support to replenish the factory applied
patch. Install the shift sector support. Tighten the
sector support with Socket 9033 to 27-34 Nꞏm
(20-25 ft.lbs.).
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8. Assemble and install range fork (2) and hub (1). Be
sure hub is properly seated in low range gear and
engaged to the input gear.
9. Align and insert range fork pin in shift sector slot.
10. Install mode fork and shift rail onto the mode
sleeve.
11. Install the mode fork (2), sleeve (1), and shift rail
(2) into the transfer case.
12. Install new o-ring (1) on detent plug (2).
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13. Install detent plunger (4), spring (3), and plug (2).
Tighten the plug to 16-25 Nꞏm (12-18 ft. lbs.).
14. Position the shift motor and mode sensor assem-
bly (2) onto the transfer case (1).
15. Install the bolts (3) to hold the shift motor and
mode sensor assembly (2) to the transfer case
(1). Tighten the bolts to 16-25 Nꞏm (12-18 ft. lbs.).
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16. Install mainshaft (2) into the transfer case (1).
Guide mainshaft through the mode and range
sleeves and into the input gear.
FRONT OUTPUT SHAFT AND DRIVE CHAIN
1. Install the front output shaft (2) into the front output
shaft front bearing.
2. Install the front output shaft bearing inner snap-ring
(2) onto the output shaft.
3. Install the new front output shaft seal with Seal
Installer MB991168A.