1984 Chevrolet S10 Blazer Oil Type & Capacity: 5W-30 (4.0 quarts)
The 1984 Chevrolet S10 Blazer takes 5W-30 motor oil — 4.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 1.9 A, 4WD, M73 — 1.9L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 1.9 A, 4WD, MB6 — 1.9L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 1.9 A, RWD, M73 — 1.9L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 1.9 A, RWD, MB6 — 1.9L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.0 Y, 4WD, M77 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.0 Y, 4WD, MB6 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.0 Y, RWD, M77 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.0 Y, RWD, MB6 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.8 B, 4WD, Automatic — 2.8L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.8 B, 4WD, Standard, M77 — 2.8L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.8 B, 4WD, Standard, MB1 — 2.8L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.8 B, RWD, Automatic — 2.8L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.8 B, RWD, Standard, M77 — 2.8L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| 2.8 B, RWD, Standard, MB6 — 2.8L Eng | SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
More factory specs & repair guides for your S10 Blazer
🛞 1984 Chevrolet S10 Blazer Tire Size & Pressure →🌧️ 1984 Chevrolet S10 Blazer Wiper Blade Sizes →💡 1984 Chevrolet S10 Blazer Light Bulb Sizes →📖 1984 Chevrolet S10 Blazer Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.5 quarts (8.99 L) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1984 Chevrolet S10 Blazer take?
The 1984 Chevrolet S10 Blazer takes 5W-30 motor oil (SAE 5W-30 (Below -20Deg.F to 100Deg.F), 10W-30 (Above 0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), SAE 30 (40Deg.F to over 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1984 Chevrolet S10 Blazer?
The 1984 Chevrolet S10 Blazer oil capacity is 4.0 quarts with a filter change.
How often should I change the oil in my 1984 Chevrolet S10 Blazer?
Most 1984 Chevrolet S10 Blazer owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Chevrolet recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1984 Chevrolet S10 Blazer?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1984 Chevrolet S10 Blazer. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.