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Mitsubishi Sigma

Maintenance specs for 1 variant of the Mitsubishi Sigma — from 1985 to 1990.

19851990 Mitsubishi Sigma

3.0L V6 SOHC (6G72) · RWD

142 hp / 168 lb-ft

Engine Oil

Weight10W-30
Capacity4.7 qt

Transmission

Type4-Speed Automatic
FluidMitsubishi ATF SP-II or Dexron II
Drain & fill4 qt
Full capacity8.5 qt

Coolant

TypeGreen conventional coolant (50/50 mix)
Capacity8.5 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidMitsubishi PSF or Dexron II
Capacity16 oz

Differentials

Rear fluidAPI GL-5 80W-90
Rear capacity1.6 qt

Fuel

Tank19 gal
TypeRegular 87

Tires

Size205/65R15
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 205/65R15 tires

Battery

Group size35
CCA550 A
Shop group 35 battery

Spark Plugs

Gap0.039 in
Shop spark plugs

Wiper Blades

Driver20"
Passenger18"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid24,000 mi
Spark plugs30,000 mi
Timingbelt — replace at 60,000 mi
Air filter30,000 mi
Drive belt60,000 mi