Transfer: Removal & Installation Infiniti M45 III

REMOVAL

1. Remove the dash side finisher. Refer to " «BODY SIDE TRIM»(ref-239112-S14407850202006072600000) ".
2. Disconnect AWD control unit connector.
3. Remove the AWD control unit.

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INSTALLATION

Install in the reverse order of removal.

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1. Remove the drain plug to drain the transfer fluid. Refer to , " «REPLACEMENT»(ref-239130-S27956923902006072600000) ".
2. Remove the front propeller shaft. Refer to " «FRONT PROPELLER SHAFT»(ref-239108-S21442981842006072600000) ".
3. Remove front oil seal using a flat-bladed screwdriver. CAUTION: Be careful not to damage the front case and front drive shaft.

1. Apply ATF to front oil seal, install it with a drift until the end face of front case. Tool number: ST27862000 ( - ) CAUTION: Do not reuse front oil seal. When installing, do not incline front oil seal.
2. Install front propeller shaft. Refer to " «FRONT PROPELLER SHAFT»(ref-239108-S21442981842006072600000) ".
3. Install transfer fluid, check fluid level and for fluid leakage. Refer to , " «INSPECTION»(ref-239130-S22466747712006072600000) ".

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1. Remove the rear propeller shaft. Refer to " «REAR PROPELLER SHAFT»(ref-239108-S31418073072006072600000) ".
2. Remove self-lock nut of companion flange using a flange wrench.
3. Put matching mark on the end of the mainshaft. The mark should be in line with the mark on the companion flange. CAUTION: For matching mark, use paint. Do not damage mainshaft.
4. Remove the companion flange using a puller. CAUTION: Be careful not to damage the companion flange.
5. Remove the rear oil seal using the puller. Tool number: KV381054S0 (J-34286) CAUTION: Be careful not to damage the rear case.

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1. Apply ATF to rear oil seal, install it with a drifts. Dimension A: 6.7 - 7.3 mm (0.264 - 0.287 in) Tool number A: ST30720000 (J-25405) B: KV40104830 ( - ) CAUTION: Do not reuse rear oil seal. When installing, do not incline rear oil seal.
2. Align the matching mark of mainshaft with the mark of companion flange, then install the companion flange.
3. Using a flange wrench, install the self-lock nut of companion flange and tighten to the specified torque. Refer to , " «COMPONENTS»(ref-239130-S31705017512006072700000) ". CAUTION: Do not reuse self-lock nut.
4. Install the rear propeller shaft. Refer to " «REAR PROPELLER SHAFT»(ref-239108-S31418073072006072600000) ".
5. Check fluid level. Refer to , " «INSPECTION»(ref-239130-S22466747712006072600000) ".

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Removal and Installation

Refer to the figure for air breather hose removal and installation information.

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1. Remove exhaust front tube with power tool. Refer to " «EXHAUST SYSTEM»(ref-239100-S05919654552006072600000) ".
2. Remove front and rear propeller shaft. Refer to " «FRONT PROPELLER SHAFT»(ref-239108-S21442981842006072600000) " and " «REAR PROPELLER SHAFT»(ref-239108-S31418073072006072600000) ".
3. Disconnect transfer assembly harness connector and separate harness from transfer assembly.
4. Remove air breather hose. Refer to , " «AIR BREATHER HOSE»(ref-239130-S28203493332006072700000) ".
5. Remove control rod. Refer to " «CONTROL ROD REMOVAL AND INSTALLATION»(ref-239105-S15048655682006072600000) ".
6. Support transfer assembly and transmission assembly with a jack.
7. Remove rear engine mounting member and engine mounting insulator with power tool. Refer to " «ENGINE ASSEMBLY»(ref-239097-S01566403472006072600000) ".
8. Lower jack to the position where the top transfer mounting bolts can be removed.
9. Remove transfer mounting bolts with power tool and separate transfer from transmission. CAUTION: Secure transfer assembly and transmission assembly to a jack.

Note the following, and install in the reverse order of removal.

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1. When installing the transfer to the transmission, install the mounting bolts following the standard below. BOLT SPECIFICATIONS Bolt No. 1 2 3 4 Quantity 4 3 2 1 Bolt length "l" mm (in) 75 (2.95) 45 (1.77) 40 (1.57) 30 (1.18) Tightening torque N.m (kg-m, ft-lb) 37 (3.8, 27) After the installation, check the fluid level, fluid leakage and the A/T positions. Refer to , " «INSPECTION»(ref-239130-S22466747712006072600000) ", " «ADJUSTMENT OF A/T POSITION»(ref-239105-S08765563772006072600000) ".

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1. Remove drain plug and filler plug.
2. Remove mainshaft oil seal from front case, using a flat-bladed screwdriver. CAUTION: Be careful not to damage the front case and mainshaft.
3. Remove front oil seal from front case, using a flat-bladed screwdriver. CAUTION: Be careful not to damage the front case and front drive shaft.
4. Remove self-lock nut.
5. Put a matching mark on the end of mainshaft. The mark should be in line with the mark on the companion flange. CAUTION: For matching mark, use paint. Do not damage mainshaft.
6. Remove companion flange, using a puller. CAUTION: Be careful not to damage the companion flange.
7. Remove rear oil seal from rear case, using the puller. Tool number: KV381054S0 (J-34286) CAUTION: Be careful not to damage the rear case.
8. Remove spacer from mainshaft.
9. Remove front case and rear case fixing bolts, then remove harness bracket. BOLTS SYMBOL BOLT LENGTH SPECIFICATION Bolts symbol Quantity Bolt length "l" mm (in) A 11 42 (1.65) B 1 162 (6.38) C 1 97 (3.82) TORX bolts 1 40 (1.57)
10. Separate front case and rear case. Then, remove front case by levering it up with a tire lever or the like. CAUTION: Be careful not to damage the mating surface.
11. Remove snap ring from front case.
12. Remove mainshaft bearing from front case, using the drift. Tool number: KV38100300 (J-25523)
13. Remove drive chain and front drive shaft while tapping front drive shaft with plastic hammer. CAUTION: Be careful not to tap drive chain.
14. Remove oil gutter from rear case.
15. Remove oil cover bolt and sensor fixing bolt from rear case. And then, remove oil cover.
16. Remove retainer from transfer assembly harness connector.
17. Remove transfer assembly harness connector from rear case.
18. Remove O-ring from transfer assembly harness connector.
19. Remove mainshaft assembly from rear case, using the drift. Tool number: ST33052000 ( - )
20. Remove snap ring from rear case.
21. Remove rear bearing from rear case, using the drifts. Tool number A: ST30611000 (J-25742-1) B: ST35321000 ( - )
22. Remove baffle plate from rear case.
23. Remove breather tube from rear case.

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