Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Transfer Case
- Select the adjusting shim on the gear ring bearing. Refer to SELECTIVE PARTS .
- Using a drift, install the selected adjusting shim and gear ring bearing outer race.
Courtesy of NISSAN MOTOR CO., U.S.A.
Tool number A: ST30720000 (J25405)
B: KV40101840 ( - )
- Install the oil defense, and tighten the mounting bolts to the specified torque. The clearance between the oil defense and transfer case (dimension A) should be the following.
Courtesy of NISSAN MOTOR CO., U.S.A.
Tightening torque
: 6.9 - 8.8 N.m (0.7 - 0.9 kg-m, 61 - 78 in-lb)
Clearance between oil defense and transfer case
Dimension A: 1.0 - 3.5 mm (0.04 - 0.138 in)
CAUTION: Do not reuse the mounting bolts. - Using a drift, drive the oil seal until it becomes flush with the case end.
Tool number: ST30720000 (J25405)
CAUTION:- When checking the Total preload torque, measure it without the oil seal, then install the oil seal.
- Discard old oil seals, replace with new ones.
- Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of the oil seal.
- Apply recommended sealant to plug before installing it to the transfer case.
Plug tightening torque: 14.7 - 19.6 N.m (1.5 - 1.9 kg-m, 11 - 14 ft-lb)
- Apply recommended sealant to breather tube and install it to the transfer case.
- Install the drive gear assembly.
- Install the adapter case.
- Install the pinion sleeve assembly.
- Check backlash, preload torque, tooth contact, and companion flange runout. Refer to PRE-INSPECTION .CAUTION: Measure the Total preload torque without the oil seal.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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