Oldsmobile 88
Maintenance specs for 4 variants of the Oldsmobile 88 — from 1985 to 1999.
1985–1990 Oldsmobile 88
3.8L V6 (LN3) · FWD
165 hp / 210 lb-ft
Transmission
Type4-Speed Automatic (4T60)
FluidDexron-III ATF
Drain & fill7 qt
Full capacity13.5 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity16 oz
Fuel
Tank18 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi
1991–1995 Oldsmobile 88
3.8L V6 (L27) · FWD
170 hp / 220 lb-ft
Transmission
Type4-Speed Automatic (4T60-E)
FluidDexron-III ATF
Drain & fill7 qt
Full capacity13.5 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity16 oz
Fuel
Tank18 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi
1992–1995 Oldsmobile 88
3.8L V6 Supercharged (L67) · FWD
225 hp / 275 lb-ft
Transmission
Type4-Speed Automatic (4T60-E)
FluidDexron-III ATF
Drain & fill7 qt
Full capacity13.5 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity16 oz
Fuel
Tank18 gal
TypePremium 91
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi
1996–1999 Oldsmobile 88
3.8L V6 (L36) · FWD
205 hp / 230 lb-ft
Transmission
Type4-Speed Automatic (4T60-E)
FluidDexron-III ATF
Drain & fill7 qt
Full capacity13.5 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity16 oz
Fuel
Tank18 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service50,000 mi
Coolant flush50,000 mi
Brake fluid30,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi