Hummer H2
Maintenance specs for 2 variants of the Hummer H2 — from 2003 to 2009.
2003–2007 Hummer H2
6.0L V8 Gas (LQ4) · 4WD
316 hp / 360 lb-ft
Transmission
Type4-Speed Automatic (4L65-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
Tank32 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
Drive belt100,000 mi
2008–2009 Hummer H2
6.2L V8 Gas (L92) · 4WD
393 hp / 415 lb-ft
Transmission
Type6-Speed Automatic (6L80)
FluidDexron VI ATF
Drain & fill5 qt
Full capacity12.9 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
Tank32 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
Drive belt100,000 mi