Transmission and Transfer Case / Transfer Case, NV273 /
Fluid: ATF+4 Automatic Transmission Fluid 1.9 Liters (4.0 Pints) DESCRIPTION
The NV273 is an electronically controlled part-time transfer case
with a low range gear reduction system. The NV273 has three operating ranges
plus a NEUTRAL position. The low range system provides a gear reduction ratio
for increased low speed torque capability.
The geartrain is mounted in two aluminum case halves attached with
bolts. The mainshaft front and rear bearings are mounted in aluminum case
Transfer case operating ranges are: 2WD (2-wheel drive).
4HI (4-wheel drive).
4LO (4-wheel drive low range).
The 2WD range is for use on any road surface at any time.
The 4HI and 4LO ranges are for off road use only. They are not for
use on hard surface roads. The only exception being when the road surface is wet
or slippery or covered by ice and snow.
The low range reduction gear system is operative …