How to Check Lubricant
To get an accurate reading, the vehicle should be on a
level surface.
1500 Series
A: Fill Plug
B: Drain Plug
All except 1500 Series
A: Fill Plug
B: Drain Plug
.
When the differential is cold, add enough lubricant
to raise the level from 0 (0 mm) to 1/8 inch
(3.2 mm) below the filler plug hole.
.
When the differential is at operating temperature
(warm), add enough lubricant to raise the level to
the bottom of the filler plug hole.
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