Honda Pilot Owner's Manual page 488

Rear Differential Fluid, Transfer Assembly Fluid
Rear Differential Fluid
4WD models only
FILLER BOLT
CORRECT LEVEL
The rear differential should be
drained and refilled with new fluid
when this service is indicated by a
maintenance message on the
information display or multi-
information display. This service
may be needed more often under
certain driving conditions (see page
473 ).
484
Always use Honda VTM-4
Differential Fluid, and have your
dealer replace the rear differential
fluid.
2009 Pilot
Transfer Assembly Fluid
4WD models only
The transfer assembly should be
drained and refilled with new fluid
when this service is indicated by a
maintenance message on the
information display or multi-
information display.
Always use Hypoid gear oil GL4 or
GL5 with a viscosity of SAE 90 or
80W-90. Have the fluid replaced by
your dealer.