Pontiac GTO
Maintenance specs for 4 variants of the Pontiac GTO — from 2004 to 2006.
2004–2004 Pontiac GTO
5.7L V8 (LS1) · RWD
350 hp / 365 lb-ft
Transmission
Type6-Speed Manual (Tremec T56)
FluidGM Synchromesh MTF
Drain & fill2.3 qt
Full capacity2.3 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Differentials
Rear fluid75W-90 Synthetic GL-5 Gear Oil
Fuel
Tank18.5 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid45,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi
2004–2004 Pontiac GTO
5.7L V8 (LS1) · RWD
350 hp / 365 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron VI ATF
Drain & fill5 qt
Full capacity11.4 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Differentials
Rear fluid75W-90 Synthetic GL-5 Gear Oil
Fuel
Tank18.5 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid45,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi
2005–2006 Pontiac GTO
6.0L V8 (LS2) · RWD
400 hp / 400 lb-ft
Transmission
Type6-Speed Manual (Tremec T56)
FluidGM Synchromesh MTF
Drain & fill2.3 qt
Full capacity2.3 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Differentials
Rear fluid75W-90 Synthetic GL-5 Gear Oil
Fuel
Tank18.5 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid45,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi
2005–2006 Pontiac GTO
6.0L V8 (LS2) · RWD
400 hp / 400 lb-ft
Transmission
Type4-Speed Automatic (4L65-E)
FluidDexron VI ATF
Drain & fill5 qt
Full capacity11.4 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Differentials
Rear fluid75W-90 Synthetic GL-5 Gear Oil
Fuel
Tank18.5 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid45,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt100,000 mi