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
Application	Metric	US English
Axle Capacities
Front Axle 1000 Series (8.25")	1.43 liters	1.51 quarts
Front Axle 2000 Series (9.25")	1.73 liters	1.83 quarts
Rear Axle 1000 Series without RPO AXN (8.6")	2.03 liters	2.15 quarts
Rear Axle 1000 Series with RPO AXN (9.5" LD)	2.6 liters	2.75 quarts
Rear Axle 2000 Series (9.5" HD)	2.6 liters	2.75 quarts
Rear Axle 2000 Series with RPO LY6 (10.5" )	2.6 liters	2.75 quarts
Rear Axle 2000 Series with RPO LMM (11.5")	3.0 liters	3.17 quarts
Rear Axle 3000 Series (11.5")	3.0 liters	3.17 quarts
Cooling System
5.3L V8	17.3 liters	18.3 quarts
6.0L V8	16.5 liters	18.1 quarts
Cooling System for the Hybrid
Drive Motor Generator Control Module Cooling System	2.7 liters	2.9 quarts
6.0L V8 Engine Cooling System	17.3 liters	18.3 quarts
Cooling System for the Police and Special Service Packages	17.1 liters	18.1 quarts
Engine Oil with Filter - All Engines	5.7 liters	6.0 quarts
Fuel Tank
Regular	98.4 liters	26.0 gallons
Extended 1500 Series	119.2 liters	31.5 gallons
Extended 2500 Series	147.6 liters	39.0 gallons
Hybrid	92.7 liters	24.5 gallons
Transfer Case Fluid	1.5 liters	1.6 quarts
Transmission Fluid (Pan Removal and Filter Replacement)
6L80-E/6L90-E Transmission	5.7 liters	6.0 quarts
Hybrid	10.9 liters	11.5 quarts