Oldsmobile Calais
Maintenance specs for 3 variants of the Oldsmobile Calais — from 1985 to 1991.
1985–1987 Oldsmobile Calais
2.5L I4 (LR8) · FWD
92 hp / 132 lb-ft
Transmission
Type3-Speed Automatic (3T40)
FluidDexron-III ATF
Drain & fill4 qt
Full capacity8 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Fuel
Tank14 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 belt50,000 mi
1985–1989 Oldsmobile Calais
3.0L V6 (LN7) · FWD
125 hp / 165 lb-ft
Transmission
Type3-Speed Automatic (3T40)
FluidDexron-III ATF
Drain & fill4 qt
Full capacity8 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Fuel
Tank14 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 belt50,000 mi
1987–1991 Oldsmobile Calais
2.3L I4 Quad4 (LG6) · FWD
150 hp / 160 lb-ft
Transmission
Type5-Speed Manual (Getrag)
FluidGM Synchromesh Transmission Fluid
Drain & fill2 qt
Full capacity2 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Fuel
Tank14 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service50,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt50,000 mi