Hummer H3
Maintenance specs for 5 variants of the Hummer H3 — from 2006 to 2010.
2006–2007 Hummer H3
3.5L I5 Gas (LLR) · 4WD
220 hp / 225 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron VI ATF
Drain & fill5 qt
Full capacity11.2 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid75W-90 GL-5
Rear fluid75W-90 GL-5
Transfer Case
FluidAuto-Trak II
Fuel
Tank23 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi
2006–2007 Hummer H3
3.5L I5 Gas (LLR) · 4WD
220 hp / 225 lb-ft
Transmission
Type5-Speed Manual (NV3500)
FluidGM Manual Transmission Fluid
Drain & fill4.2 qt
Full capacity4.2 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid75W-90 GL-5
Rear fluid75W-90 GL-5
Transfer Case
FluidAuto-Trak II
Fuel
Tank23 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi
2008–2010 Hummer H3
3.7L I5 Gas (LLX) · 4WD
242 hp / 242 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron VI ATF
Drain & fill5 qt
Full capacity11.2 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid75W-90 GL-5
Rear fluid75W-90 GL-5
Transfer Case
FluidAuto-Trak II
Fuel
Tank23 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi
2008–2010 Hummer H3
3.7L I5 Gas (LLX) · 4WD
242 hp / 242 lb-ft
Transmission
Type5-Speed Manual (NV3500)
FluidGM Manual Transmission Fluid
Drain & fill4.2 qt
Full capacity4.2 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid75W-90 GL-5
Rear fluid75W-90 GL-5
Transfer Case
FluidAuto-Trak II
Fuel
Tank23 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi
2008–2010 Hummer H3
5.3L V8 Gas (LH8) · 4WD
300 hp / 320 lb-ft
Transmission
Type4-Speed Automatic (4L70-E)
FluidDexron VI ATF
Drain & fill5 qt
Full capacity11.2 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid75W-90 GL-5
Rear fluid75W-90 GL-5
Transfer Case
FluidAuto-Trak II
Fuel
Tank23 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi