1984 Peugeot 604 Oil Type & Capacity: 15W-40 (10.5 quarts)
The 1984 Peugeot 604 takes 15W-40 motor oil — 10.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
15W-40 — 10.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic — 2.3L Eng | API - CD, SAE 15W-40 | 10.50 PTS. | — | — |
| Standard — 2.3L Eng | API - CD, SAE 15W-40 | 10.50 PTS. | — | — |
More factory specs & repair guides for your 604
🛞 1984 Peugeot 604 Tire Size & Pressure →🌧️ 1984 Peugeot 604 Wiper Blade Sizes →💡 1984 Peugeot 604 Light Bulb Sizes →📖 1984 Peugeot 604 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
21.1 quarts (9.98 L) — 50/50 mixture of PEUGEOT Antifreeze/Coolant and water
Frequently asked questions
What type of oil does a 1984 Peugeot 604 take?
The 1984 Peugeot 604 takes 15W-40 motor oil (API - CD, SAE 15W-40), per the factory service manual.
What is the oil capacity of a 1984 Peugeot 604?
The 1984 Peugeot 604 oil capacity is 10.5 quarts with a filter change.
How often should I change the oil in my 1984 Peugeot 604?
Most 1984 Peugeot 604 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 — Peugeot recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1984 Peugeot 604?
Yes. 15W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1984 Peugeot 604. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.