Approximate Fluid Capacities
See Fluid and Lubricant Recommendations for more information. All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling.


Application Capacities

Axle Capacities
Front Axle 1000 Series (8.25") 1.51 qt
Front Axle 2000, 3000 Series (9.25") 1.83 qt
Rear Axle 1000 Series without RPO AXN (8.6") 2.15 qt
Rear Axle 1000 Series with RPO AXN (9.5" LD) 2.75 qt
Rear Axle 2000 Series with RPO LY6 (10.5") 2.75 qt

Air Conditioning Refrigerant R134a
Refrigerant Charge 1.6 lb
Refrigerant Charge Utility with Front and Rear A/C 2.7 lb
Refrigerant Charge Suburban with Front and Rear A/C 3.0 lb

Cooling System
4.8L V8 17.8 qt
5.3L V8 18.3 qt
6.0L V8 1500 Series 17.9 qt
6.0L V8 2500 Series 17.4 qt
6.2L V8 17.6 qt

Engine Oil with Filter - All Engines 6.0 qt

Fuel Tank
Regular 26.0 gal
Extended 1500 Series 31.5 gal
Extended 2500 Series 39.0 gal

Transfer Case Fluid 2.0 qt

Transmission Fluid
4L60-E/4L65-E/4L70-E Pan Removal 5 qt
4L60-E/4L65-E/4L70-E Overhaul 11 qt
4L80-E/4L85-E Pan Removal 7.7 qt
4L80-E/4L85-E Overhaul 13.5 qt
6L50/6L80/6L90 Pan Removal 6.0 qt
6L50/6L80/6L90 Overhaul 10.5 qt