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Pontiac G8

Maintenance specs for 2 variants of the Pontiac G8 — from 2008 to 2009.

20082009 Pontiac G8

3.6L V6 (LY7) · RWD

256 hp / 248 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF457G

Transmission

Type5-Speed Automatic (5L40-E)
FluidDexron VI ATF
Drain & fill5.5 qt
Full capacity9.5 qt

Coolant

TypeDEX-COOL (orange)
Capacity12 qt
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz

Differentials

Rear fluid75W-90 Synthetic GL-5 Gear Oil

Fuel

Tank18.5 gal
TypeRegular 87

Tires

Size235/50R18
Pressure (front)32 PSI
Pressure (rear)32 PSI
Shop 235/50R18 tires

Battery

Group size78
CCA600 A
Shop group 78 battery

Spark Plugs

Gap0.04 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger18"
Shop wiper blades

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

20082009 Pontiac G8

6.0L V8 (L76) · RWD

361 hp / 385 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF457G

Transmission

Type6-Speed Automatic (6L80)
FluidDexron VI ATF
Drain & fill7.5 qt
Full capacity11.2 qt

Coolant

TypeDEX-COOL (orange)
Capacity14.8 qt
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz

Differentials

Rear fluid75W-90 Synthetic GL-5 Gear Oil

Fuel

Tank18.5 gal
TypeRegular 87

Tires

Size245/45R19
Pressure (front)32 PSI
Pressure (rear)32 PSI
Shop 245/45R19 tires

Battery

Group size78
CCA690 A
Shop group 78 battery

Spark Plugs

Gap0.04 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger18"
Shop wiper blades

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