1988 Oldsmobile Cutlass Cruiser Oil Type & Capacity
The 1988 Oldsmobile Cutlass Cruiser oil type depends on the engine: the Brougham, 2.5 R takes 5W-30 (3.0 quarts with filter); the Brougham, 2.8 W, 125C/MD9 takes 5W-30 (4.0 quarts with filter); the Brougham, 2.8 W, 440T4/ME9 takes 5W-30 (4.0 quarts with filter); the Brougham, 3.8 3 takes 5W-30 (4.0 quarts with filter); the LS, 2.5 R takes 5W-30 (3.0 quarts with filter); the LS, 2.8 W, 125C/MD9 takes 5W-30 (4.0 quarts with filter); the LS, 2.8 W, 440T4/ME9 takes 5W-30 (4.0 quarts with filter); the LS, 3.8 3 takes 5W-30 (4.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Brougham, 2.5 R: 5W-30, 3.0 quarts with filter
- Brougham, 2.8 W, 125C/MD9: 5W-30, 4.0 quarts with filter
- Brougham, 2.8 W, 440T4/ME9: 5W-30, 4.0 quarts with filter
- Brougham, 3.8 3: 5W-30, 4.0 quarts with filter
- LS, 2.5 R: 5W-30, 3.0 quarts with filter
- LS, 2.8 W, 125C/MD9: 5W-30, 4.0 quarts with filter
- LS, 2.8 W, 440T4/ME9: 5W-30, 4.0 quarts with filter
- LS, 3.8 3: 5W-30, 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Brougham, 2.5 R — 2.5L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| Brougham, 2.8 W, 125C/MD9 — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Brougham, 2.8 W, 440T4/ME9 — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Brougham, 3.8 3 — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LS, 2.5 R — 2.5L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| LS, 2.8 W, 125C/MD9 — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LS, 2.8 W, 440T4/ME9 — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LS, 3.8 3 — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
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More specs & repair guides for your Cutlass Cruiser
1988 Oldsmobile Cutlass Cruiser factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site 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 1988 Oldsmobile Cutlass Cruiser take?
It depends on the engine: Brougham, 2.5 R uses 5W-30; Brougham, 2.8 W, 125C/MD9 uses 5W-30; Brougham, 2.8 W, 440T4/ME9 uses 5W-30; Brougham, 3.8 3 uses 5W-30; LS, 2.5 R uses 5W-30; LS, 2.8 W, 125C/MD9 uses 5W-30; LS, 2.8 W, 440T4/ME9 uses 5W-30; LS, 3.8 3 uses 5W-30.
How much oil does a 1988 Oldsmobile Cutlass Cruiser take?
Capacity depends on the engine: Brougham, 2.5 R holds 3.0 quarts with filter; Brougham, 2.8 W, 125C/MD9 holds 4.0 quarts with filter; Brougham, 2.8 W, 440T4/ME9 holds 4.0 quarts with filter; Brougham, 3.8 3 holds 4.0 quarts with filter; LS, 2.5 R holds 3.0 quarts with filter; LS, 2.8 W, 125C/MD9 holds 4.0 quarts with filter; LS, 2.8 W, 440T4/ME9 holds 4.0 quarts with filter; LS, 3.8 3 holds 4.0 quarts with filter.
Can I use synthetic oil in my 1988 Oldsmobile Cutlass Cruiser?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1988 Oldsmobile Cutlass Cruiser. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.