Maintenance / 1990 Manual 5-speed · 4 cyl · 1.5 L

Manual transmission fluid

Match the fluid to the exact transmission, not just the vehicle model. A drain-and-refill amount differs from the total dry capacity.

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IntervalReplace every 30,000 mi / 48,000 km or 24 months, whichever comes first.Verified

01 / Requirements

Configuration-specific service and fitment facts

These sourced values are shared by the specification sheet and the maintenance guides for this exact configuration.

Manual transmission fluid: Original manual: API SE or SF motor oil, with viscosity selected from the manual’s ambient-temperature chart. VerifiedThe 1990 manual’s original specification; a present-day substitute requires separate verified compatibility.
Manual transmission refill: 1.9 US qt VerifiedRoutine change 1.8 L (1.9 US qt, 1.6 Imp qt), not total dry capacity. Engine off and vehicle level; follow the filler-hole level check.

Level and compatibility: Use the specified fluid and the transmission-specific level-check procedure. Conventional ATF, belt-CVT fluid and manual gear oil are not interchangeable.

Source

1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00068A.pdf

Source ↗

Original Honda-hosted owner-manual section. Facts only; retain the exact body, engine, transmission and service conditions. Historical fluid specifications do not establish a modern replacement product’s compatibility.

United States; 1990 Civic hatchback and sedan only; wagons excluded1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00068A.pdf, printed 70 / PDF3; official SI9090MAINIDX identifies model year and hatchback/sedan scope.

1990 Honda Civic Hatchback/Sedan Owner’s Manual — SI9090O00078A.pdf

Source ↗

United States; 1990 Civic hatchback and sedan only; wagons excludedManual transmission fluid: 1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00078A.pdf, printed 78–79 / PDF1–2; official SI9090MAINIDX identifies model year and hatchback/sedan scope.Manual transmission refill: 1990 Civic Hatchback/Sedan Owner’s Manual, SI9090O00078A.pdf, printed 78 / PDF1; official SI9090MAINIDX identifies model year and hatchback/sedan scope.