2016 GMC SIERRA DENALI differential

GMC Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234761) - 2016 - crc - 7/24/15
278 Vehicle Care
1. Fill Plug
2. Drain Plug
To get an accurate reading, the
vehicle should be on a level
surface.
If the level is below the bottom of
the fill plug (1) hole, located on the
transfer case, some lubricant will
need to be added. Add enough
lubricant to raise the level to the
bottom of the fill plug (1) hole. Use
care not to overtighten the plug.
When to Change Lubricant
Refer toMaintenance Schedule
0 346 to determine how often to
change the lubricant.
What to Use
Refer to Recommended Fluids and
Lubricants 0355 to determine what
kind of lubricant to use.
Front Axle
When to Check and Change
Lubricant
It is not necessary to regularly
check front axle fluid unless a leak
is suspected, or an unusual noise is
heard. A fluid loss could indicate a
problem. Have it inspected and
repaired.
How to Check Lubricant
To get an accurate reading, the
vehicle should be on a level
surface.
1500 Series
1. Fill Plug 2. Drain Plug
All Except 1500 Series
1. Fill Plug
2. Drain Plug
.
When the differential is cold, add
enough lubricant to raise the
level from 0 mm (0 in) to 3.2 mm
(1/8 in) below the fill
plug (1) hole.
. When the differential is at
operating temperature (warm),
add enough lubricant to raise the
level to the bottom of the fill
plug (1) hole.
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