Buick LeSabre
Maintenance specs for 2 variants of the Buick LeSabre — from 1985 to 2005.
1985–1999 Buick LeSabre
3.8L V6 (L27/L36 3800) · FWD
170 hp / 220 lb-ft
Transmission
Type4-Speed Automatic (4T60-E)
FluidDexron III
Drain & fill7 qt
Full capacity12 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Fuel
Tank18 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service50,000 mi
Coolant flush60,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt60,000 mi
2000–2005 Buick LeSabre
3.8L V6 (L36 3800 Series II) · FWD
205 hp / 230 lb-ft
Transmission
Type4-Speed Automatic (4T65-E)
FluidDexron III/VI
Drain & fill7 qt
Full capacity12 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Fuel
Tank18.5 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