1985 Isuzu Trooper II Oil Type & Capacity
The 1985 Isuzu Trooper II takes 5W-20 motor oil — 3.7 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 3.7 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 1.9 A, MSG4ET — 1.9L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.30 QTS. | — |
| 1.9 A, MSG5L — 1.9L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.30 QTS. | — |
| 2.2 S, MSG4ET — 2.2L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.30 QTS. | — |
| 2.2 S, MSG5L — 2.2L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.30 QTS. | — |
| 2.2 U, MSG4ET — 2.2L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.30 QTS. | — |
| 2.2 U, MSG5L — 2.2L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F). | — | 3.30 QTS. | — |
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More specs & repair guides for your Trooper II
1985 Isuzu Trooper II factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
8.5 quarts (8.04 L) — 50/50 mixture of good quality ethylene-glycol antifreeze & water.
Frequently asked questions
What type of oil does a 1985 Isuzu Trooper II take?
The 1985 Isuzu Trooper II takes 5W-20 motor oil (SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30/40 (Above 0Deg.F), 20W-20/40/50 (Above 20Deg.F), 30 (Above 40Deg.F).), per the factory service manual.
How much oil does a 1985 Isuzu Trooper II take?
The 1985 Isuzu Trooper II holds 3.7 quarts with a filter change, or 3.3 quarts without changing the filter.
Can I use synthetic oil in my 1985 Isuzu Trooper II?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1985 Isuzu Trooper II. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.