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Buick Reatta

Maintenance specs for 1 variant of the Buick Reatta — from 1988 to 1991.

19881991 Buick Reatta

3.8L V6 (L27 3800) · FWD

165 hp / 210 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4T60)
FluidDexron III
Drain & fill6 qt
Full capacity12 qt

Coolant

TypeConventional (green)
Capacity12 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Fuel

Tank18 gal
TypeRegular 87

Tires

Size215/60R16
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 215/60R16 tires

Battery

Group size75
CCA630 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver20"
Passenger20"
Shop wiper blades

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