Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9956065) - 2017 - CRC - 4/29/16
380 Vehicle Care
Front Axle
When to Check and ChangeLubricant
It is not necessary to regularlycheck front axle fluid unless a leakis suspected, or an unusual noise isheard. A fluid loss could indicate aproblem. Have it inspected andrepaired.
How to Check Lubricant
To g e t a n a c c u r a t e r e a d i n g , t h evehicle should be on a levelsurface.
1500 Series
1. Fill Plug
2. Drain Plug
All Except 1500 Series
1. Fill Plug
2. Drain Plug
.When the differential is cold, addenough lubricant to raise thelevel from 0 mm (0 in) to 3.2 mm(1/8 in) below the fillplug (1) hole.
.When the differential is atoperating temperature (warm),add enough lubricant to raise thelevel to the bottom of the fillplug (1) hole.
What to Use
Refer toRecommended Fluids andLubricants0462to determine whatkind of lubricant to use.
Rear Axle
When to Check Lubricant
It is not necessary to regularlycheck rear axle fluid unless a leak issuspected or an unusual noise isheard. A fluid loss could indicate aproblem. Have it inspected andrepaired.
All axle assemblies are filled byvolume of fluid during production.They are not filled to reach a certainlevel. When checking the fluid levelon any axle, variations in thereadings can be caused by factoryfill differences between the minimumand the maximum fluid volume.Also, if a vehicle has just beendriven before checking the fluidlevel, it may appear lower thannormal because fluid has traveledout along the axle tubes and hasnot drained back to the sump area.Therefore, a reading taken
