Maintenance / 1990 Civic Wagon 4WD · Manual 5-speed · 4 cyl · 1.6 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: 2.4 US qt VerifiedRoutine change 2.3 L, not total dry capacity. Engine off and vehicle level; check the filler-hole level.

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 Wagon / Real Time 4WD Owner’s Manual — CW9090O00060A.pdf

Source ↗

Original Honda-hosted wagon-manual section. Introduction explicitly covers both 2WD and 4WD despite the index title. Facts only; keep drivetrain, transmission, equipment and temperature conditions. Historical fluid specifications do not verify a modern replacement product.

United States;1990 Civic Wagon and Real Time 4WD wagon; exact drivetrain/transmission branches1990 Civic Wagon / Real Time 4WD Owner’s Manual, CW9090O00060A.pdf, printed 62 / PDF3; CW9090MAINIDX identifies 1990, and CW9090OINTROD.pdf printed2 explicitly covers both Civic Wagon and Civic Wagon with Real Time 4WD.

1990 Honda Civic Wagon / Real Time 4WD Owner’s Manual — CW9090O00067A.pdf

Source ↗

United States;1990 Civic Wagon and Real Time 4WD wagon; exact drivetrain/transmission branchesManual transmission fluid: 1990 Civic Wagon / Real Time 4WD Owner’s Manual, CW9090O00067A.pdf, printed 70 / PDF4; continuation viscosity chart CW9090O00071A.pdf printed71 / PDF1; CW9090MAINIDX identifies 1990, and CW9090OINTROD.pdf printed2 explicitly covers both Civic Wagon and Civic Wagon with Real Time 4WD.Manual transmission refill: 1990 Civic Wagon / Real Time 4WD Owner’s Manual, CW9090O00067A.pdf, printed 70 / PDF4; 4wd branch; CW9090MAINIDX identifies 1990, and CW9090OINTROD.pdf printed2 explicitly covers both Civic Wagon and Civic Wagon with Real Time 4WD.