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Buick Rainier

Maintenance specs for 2 variants of the Buick Rainier — from 2004 to 2007.

20042007 Buick Rainier

4.2L I6 (LL8 Vortec) · AWD

291 hp / 277 lb-ft

Engine Oil

Weight5W-30
Capacity7 qt
FilterPF48

Transmission

Type4-Speed Automatic (4L60-E)
FluidDexron VI
Drain & fill5 qt
Full capacity11.2 qt

Coolant

TypeDex-Cool (orange)
Capacity14.8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Differentials

Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5

Transfer Case

FluidAuto-Trak II

Fuel

Tank22 gal
TypeRegular 87

Tires

Size245/65R17
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 245/65R17 tires

Battery

Group size75
CCA770 A
Shop group 75 battery

Spark Plugs

Gap0.042 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

20062007 Buick Rainier

5.3L V8 (LH6 Vortec) · AWD

300 hp / 330 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF48

Transmission

Type4-Speed Automatic (4L60-E)
FluidDexron VI
Drain & fill5 qt
Full capacity11.2 qt

Coolant

TypeDex-Cool (orange)
Capacity15.2 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Differentials

Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5

Transfer Case

FluidAuto-Trak II

Fuel

Tank22 gal
TypeRegular 87

Tires

Size245/65R17
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 245/65R17 tires

Battery

Group size75
CCA770 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