Buick Rainier
Maintenance specs for 2 variants of the Buick Rainier — from 2004 to 2007.
2004–2007 Buick Rainier
4.2L I6 (LL8 Vortec) · AWD
291 hp / 277 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron VI
Drain & fill5 qt
Full capacity11.2 qt
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
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
2006–2007 Buick Rainier
5.3L V8 (LH6 Vortec) · AWD
300 hp / 330 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron VI
Drain & fill5 qt
Full capacity11.2 qt
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
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