Buick Roadmaster
Maintenance specs for 2 variants of the Buick Roadmaster — from 1991 to 1996.
1991–1993 Buick Roadmaster
5.0L V8 (L03 305 TBI) · RWD
170 hp / 255 lb-ft
Transmission
Type4-Speed Automatic (4L60)
FluidDexron III
Drain & fill5 qt
Full capacity11 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Rear fluid80W-90 GL-5
Fuel
Tank23 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt45,000 mi
1994–1996 Buick Roadmaster
5.7L V8 (LT1) · RWD
260 hp / 330 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron III
Drain & fill5 qt
Full capacity11 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Rear fluid80W-90 GL-5
Fuel
Tank23 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt45,000 mi