Rear axle, When to check lubricant, How to check lubricant – GMC 2003 Sierra User Manual
Page 432: What to use
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Rear Axle
When to Check Lubricant
Reier to the Mairtensnce Schedule to determirhe hnw
often lo check the Eubricant. See Part
A: Schecfufed
M ainienance Services on page 6^4.
How to Check Lubricant
The proper leva! for the 1500 Series Is from 5/0 Inch to
1 5/8 Inch (15 mm to 40 mm) below the bottofii of the filler
plug hofe. The proper level for the 1500 HD Series,
2S00 SerleSi 2500 HD, and 3500 Series Is from 0 to
1/2 inch {0 to 13 mm} below the bottom of the filler plug
hole. The proper level for the 1500 and 2500 Series
vehicles wHh OUADRASTEER™ f4 Wheel Steer) Is from
0 (o 1/4 inch (0to6 mm) below the flifer plug hole. Add
only enough fluid to reach the proper level.
What to Use
Refer to me Maintenance Schedule to determine whal
kind of lubricant to use. See Part D:
Recommended
Fiuids and Lubncants
on
page
To gel an accurate reading, the vehicle siiould ba on
a
level surface
5-57