1988 Jeep Grand Wagoneer Oil Type & Capacity
The 1988 Jeep Grand Wagoneer takes 5W-30 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2D Utility — 5.9L Eng | API - SF, SAE 5W-30 (Below 60Deg.F), 10W-30 or 10W-40 (Above 0Deg.F), 20W-40 or 20W-50 (Above 30Deg.F) | — | 4.00 QTS. | — |
| 4D Utility — 5.9L Eng | API - SF, SAE 5W-30 (Below 60Deg.F), 10W-30 or 10W-40 (Above 0Deg.F), 20W-40 or 20W-50 (Above 30Deg.F) | — | 4.00 QTS. | — |
Buy the right oil
Buy 5W-30 motor oil on Amazon1988 Jeep Grand Wagoneer oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your Grand Wagoneer
1988 Jeep Grand Wagoneer factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
13.0 quarts (12.3 L) — 50/50 mixture of AMC/JEEP/RENAULT All Season Coolant and distilled water
Frequently asked questions
What type of oil does a 1988 Jeep Grand Wagoneer take?
The 1988 Jeep Grand Wagoneer takes 5W-30 motor oil (API - SF, SAE 5W-30 (Below 60Deg.F), 10W-30 or 10W-40 (Above 0Deg.F), 20W-40 or 20W-50 (Above 30Deg.F)), per the factory service manual.
How much oil does a 1988 Jeep Grand Wagoneer take?
The 1988 Jeep Grand Wagoneer holds 5.0 quarts with a filter change, or 4.0 quarts without changing the filter.
Can I use synthetic oil in my 1988 Jeep Grand Wagoneer?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1988 Jeep Grand Wagoneer. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.