Oldsmobile Firenza
Maintenance specs for 2 variants of the Oldsmobile Firenza — from 1985 to 1988.
1985–1988 Oldsmobile Firenza
1.8L I4 (LH7) · FWD
84 hp / 102 lb-ft
Transmission
Type4-Speed Manual
FluidGM Synchromesh Transmission Fluid
Drain & fill1.8 qt
Full capacity1.8 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity8 oz
Fuel
Tank13.6 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
Timingbelt — replace at 60,000 mi
Air filter30,000 mi
Drive belt50,000 mi
1985–1988 Oldsmobile Firenza
2.0L I4 (LT3) · FWD
98 hp / 117 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
Tank13.6 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
Timingbelt — replace at 60,000 mi
Air filter30,000 mi
Drive belt50,000 mi