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Nissan Armada 2025-2026 Service and Repair Manual: Rear Oil Seal

Nissan Armada 2025-2026 Service and Repair Manual / Engine / Engine Mechanical / Rear Oil Seal

Removal & Installation

REMOVAL

Remove transmission assembly, refer to the following:

  • 2WD models: Refer to Removal and Installation.

  • 4WD models: Refer to Removal and Installation.

Remove drive plate. Refer to Removal and Installation.

Remove rear oil seal with a suitable tool.

CAUTION:

Be careful not to damage crankshaft and cylinder block.

INSTALLATION

Install rear oil seal. 

  • Install rear oil seal so that each seal lip is oriented as shown in the figure.

: Oil seal lip
: Dust seal lip
: Engine inside
: Engine outside

  • Press in rear oil seal (1) to the position as shown in the figure.

: Cylinder block rear end face
: 0 - 0.5 mm (0 - 0.020 in)

  • Using a suitable drift (A), press-fit until the height of rear oil seal is level with the mounting surface.

    • Suitable drift: outer diameter 100 mm (3.94 in), inner diameter 85 mm (3.35 in).

      CAUTION:

      • Be careful not to damage crankshaft and cylinder block.

      • Press-fit straight and avoid causing burrs or tilting oil seal.

Install in the reverse order of removal after this step.

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