2003 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 432
2003 Chevrolet Silverado 1500 Pickup Manual
Page 432 highlights
Rear Axle When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See Part A: Scheduled Maintenance Services on page 6-4. To get an accurate reading, the vehicle should be on a level surface. The proper level for the 1500 Series is from 5/8 inch to 1 5/8 inch (15 mm to 40 mm) belowthe bottom of the filler plug hole. The proper level for the 1500 HD Series, 2500 Series, 2500 HD, and 3500 Series is from 0 to 1/2 inch (0 to 13 mm) belowthe bottom of the filler plug hole. The proper level for the 1500 and 2500 Series vehicles with QUADRASTEERTM(4 Wheel Steer) is from 0 to 1/4 inch (0 to 6 mm) belowthe filler plug hole. Add only enough fluid to reach the properlevel. How to Check Lubricant What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Part D: Recommended Fluids and Lubricants on page 6-18. I 1500 Series Shown, 2500 Series Similar 5-57
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