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Buick LaCrosse

Maintenance specs for 8 variants of the Buick LaCrosse — from 2005 to 2019.

20052009 Buick LaCrosse

3.8L V6 (L26 3800 Series III) · FWD

200 hp / 230 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4T65-E)
FluidDexron VI
Drain & fill7 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity11.7 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Fuel

Tank17 gal
TypeRegular 87

Tires

Size225/60R16
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 225/60R16 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger22"
Shop wiper blades

Service Intervals

Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20052009 Buick LaCrosse

5.3L V8 (LS4) · FWD

303 hp / 323 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF48

Transmission

Type4-Speed Automatic (4T65-E HD)
FluidDexron VI
Drain & fill7 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity13.4 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Fuel

Tank17 gal
TypeRegular 87

Tires

Size235/55R17
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 235/55R17 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.04 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger22"
Shop wiper blades

Service Intervals

Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20102016 Buick LaCrosse

2.4L I4 (LEA (eAssist)) · FWD

182 hp / 172 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterPF63

Transmission

Type6-Speed Automatic (6T40)
FluidDexron VI
Drain & fill4.5 qt
Full capacity7.4 qt

Coolant

TypeDex-Cool (orange)
Capacity8.6 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Fuel

Tank17 gal
TypeRegular 87

Tires

Size225/55R17
Pressure (front)32 PSI
Pressure (rear)32 PSI
Shop 225/55R17 tires

Battery

Group size47
CCA690 A
Shop group 47 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger21"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20102016 Buick LaCrosse

3.6L V6 (LFX) · FWD

304 hp / 264 lb-ft

Engine Oil

Weight5W-30
Capacity5.5 qt
FilterPF48

Transmission

Type6-Speed Automatic (6T70)
FluidDexron VI
Drain & fill6 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity10.8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Fuel

Tank19 gal
TypeRegular 87

Tires

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

Battery

Group size48
CCA690 A
Shop group 48 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger21"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20102016 Buick LaCrosse

3.6L V6 (LFX) · AWD

304 hp / 264 lb-ft

Engine Oil

Weight5W-30
Capacity5.5 qt
FilterPF48

Transmission

Type6-Speed Automatic (6T70)
FluidDexron VI
Drain & fill6 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity10.8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Differentials

Rear fluid75W-90 Synthetic GL-5

Fuel

Tank19 gal
TypeRegular 87

Tires

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

Battery

Group size48
CCA690 A
Shop group 48 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger21"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20172019 Buick LaCrosse

2.5L I4 Hybrid (LCV (eAssist)) · FWD

194 hp / 187 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterPF63

Transmission

Type6-Speed Automatic (6T40)
FluidDexron HP
Drain & fill4.5 qt
Full capacity7.4 qt

Coolant

TypeDex-Cool (orange)
Capacity8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Fuel

Tank15.8 gal
TypeRegular 87

Tires

Size225/55R17
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 225/55R17 tires

Battery

Group size47
CCA690 A
Shop group 47 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger21"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20172019 Buick LaCrosse

3.6L V6 (LGX) · FWD

310 hp / 282 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF66

Transmission

Type8-Speed Automatic (8L45)
FluidDexron HP
Drain & fill5.6 qt
Full capacity10 qt

Coolant

TypeDex-Cool (orange)
Capacity10.8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Fuel

Tank15.8 gal
TypeRegular 87

Tires

Size245/40R19
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 245/40R19 tires

Battery

Group size48
CCA730 A
Shop group 48 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger21"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20172019 Buick LaCrosse

3.6L V6 (LGX) · AWD

310 hp / 282 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF66

Transmission

Type8-Speed Automatic (8L45)
FluidDexron HP
Drain & fill5.6 qt
Full capacity10 qt

Coolant

TypeDex-Cool (orange)
Capacity10.8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Differentials

Rear fluid75W-90 Synthetic GL-5

Fuel

Tank15.8 gal
TypeRegular 87

Tires

Size245/40R19
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 245/40R19 tires

Battery

Group size48
CCA730 A
Shop group 48 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger21"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi