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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance And Lubrication >> Specifications >> Approximate Fluid Capacities

Approximate Fluid Capacities

The following approximate capacities are given in English and metric conversions. 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 Specification
Metric English
Cooling System
  • 3.7L Engine
9.5 liters 10.0 quarts
  • 5.3L Engine
13.5 liters 14.3 quarts
Engine Oil With Filter
  • 3.7L and 5.3L Engines
5.7 liters 6.0 quarts
Fuel Tank 87.1 liters 23.0 gallons
Transfer Case 1.5 liters 1.6 quarts
Transmission - Drain and Refill
  • Automatic - Pan Removal
4.7 liters 5.0 quarts
  • Automatic - Overhaul
10.6 liters 11.0 quarts
  • 3.7 L Manual
2.4 liters 2.5 quarts