1990 Jeep Comanche Oil Type & Capacity
The 1990 Jeep Comanche oil type depends on the engine: the Base, 2.5 E, 4WD, Automatic takes 10W-30 (4.0 quarts with filter); the Base, 2.5 E, 4WD, Standard, AX4 takes 10W-30 (4.0 quarts with filter); the Base, 2.5 E, 4WD, Standard, AX5 takes 10W-30 (4.0 quarts with filter); the Base, 2.5 E, RWD, Automatic takes 10W-30 (4.0 quarts with filter); the Base, 2.5 E, RWD, Standard, AX4 takes 10W-30 (4.0 quarts with filter); the Base, 2.5 E, RWD, Standard, AX5 takes 10W-30 (4.0 quarts with filter); the Base, 4.0 L, 4WD, Automatic takes 10W-30 (6.0 quarts with filter); the Base, 4.0 L, 4WD, Standard takes 10W-30 (6.0 quarts with filter); the Base, 4.0 L, RWD, Automatic takes 10W-30 (6.0 quarts with filter); the Base, 4.0 L, RWD, Standard takes 10W-30 (6.0 quarts with filter); the Eliminator, 4WD, Automatic takes 10W-30 (6.0 quarts with filter); the Eliminator, 4WD, Standard takes 10W-30 (6.0 quarts with filter); the Eliminator, RWD, Automatic takes 10W-30 (6.0 quarts with filter); the Eliminator, RWD, Standard takes 10W-30 (6.0 quarts with filter); the Pioneer, 2.5 E, 4WD, Automatic takes 10W-30 (4.0 quarts with filter); the Pioneer, 2.5 E, 4WD, Standard, AX4 takes 10W-30 (4.0 quarts with filter); the Pioneer, 2.5 E, 4WD, Standard, AX5 takes 10W-30 (4.0 quarts with filter); the Pioneer, 2.5 E, RWD, Automatic takes 10W-30 (4.0 quarts with filter); the Pioneer, 2.5 E, RWD, Standard, AX4 takes 10W-30 (4.0 quarts with filter); the Pioneer, 2.5 E, RWD, Standard, AX5 takes 10W-30 (4.0 quarts with filter); the Pioneer, 4.0 L, 4WD, Automatic takes 10W-30 (6.0 quarts with filter); the Pioneer, 4.0 L, 4WD, Standard takes 10W-30 (6.0 quarts with filter); the Pioneer, 4.0 L, RWD, Automatic takes 10W-30 (6.0 quarts with filter); the Pioneer, 4.0 L, RWD, Standard takes 10W-30 (6.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, 2.5 E, 4WD, Automatic: 10W-30, 4.0 quarts with filter
- Base, 2.5 E, 4WD, Standard, AX4: 10W-30, 4.0 quarts with filter
- Base, 2.5 E, 4WD, Standard, AX5: 10W-30, 4.0 quarts with filter
- Base, 2.5 E, RWD, Automatic: 10W-30, 4.0 quarts with filter
- Base, 2.5 E, RWD, Standard, AX4: 10W-30, 4.0 quarts with filter
- Base, 2.5 E, RWD, Standard, AX5: 10W-30, 4.0 quarts with filter
- Base, 4.0 L, 4WD, Automatic: 10W-30, 6.0 quarts with filter
- Base, 4.0 L, 4WD, Standard: 10W-30, 6.0 quarts with filter
- Base, 4.0 L, RWD, Automatic: 10W-30, 6.0 quarts with filter
- Base, 4.0 L, RWD, Standard: 10W-30, 6.0 quarts with filter
- Eliminator, 4WD, Automatic: 10W-30, 6.0 quarts with filter
- Eliminator, 4WD, Standard: 10W-30, 6.0 quarts with filter
- Eliminator, RWD, Automatic: 10W-30, 6.0 quarts with filter
- Eliminator, RWD, Standard: 10W-30, 6.0 quarts with filter
- Pioneer, 2.5 E, 4WD, Automatic: 10W-30, 4.0 quarts with filter
- Pioneer, 2.5 E, 4WD, Standard, AX4: 10W-30, 4.0 quarts with filter
- Pioneer, 2.5 E, 4WD, Standard, AX5: 10W-30, 4.0 quarts with filter
- Pioneer, 2.5 E, RWD, Automatic: 10W-30, 4.0 quarts with filter
- Pioneer, 2.5 E, RWD, Standard, AX4: 10W-30, 4.0 quarts with filter
- Pioneer, 2.5 E, RWD, Standard, AX5: 10W-30, 4.0 quarts with filter
- Pioneer, 4.0 L, 4WD, Automatic: 10W-30, 6.0 quarts with filter
- Pioneer, 4.0 L, 4WD, Standard: 10W-30, 6.0 quarts with filter
- Pioneer, 4.0 L, RWD, Automatic: 10W-30, 6.0 quarts with filter
- Pioneer, 4.0 L, RWD, Standard: 10W-30, 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 2.5 E, 4WD, Automatic — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 2.5 E, 4WD, Standard, AX4 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 2.5 E, 4WD, Standard, AX5 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 2.5 E, RWD, Automatic — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 2.5 E, RWD, Standard, AX4 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 2.5 E, RWD, Standard, AX5 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 4.0 L, 4WD, Automatic — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Base, 4.0 L, 4WD, Standard — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Base, 4.0 L, RWD, Automatic — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Base, 4.0 L, RWD, Standard — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Eliminator, 4WD, Automatic — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Eliminator, 4WD, Standard — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Eliminator, RWD, Automatic — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Eliminator, RWD, Standard — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Pioneer, 2.5 E, 4WD, Automatic — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Pioneer, 2.5 E, 4WD, Standard, AX4 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Pioneer, 2.5 E, 4WD, Standard, AX5 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Pioneer, 2.5 E, RWD, Automatic — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Pioneer, 2.5 E, RWD, Standard, AX4 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Pioneer, 2.5 E, RWD, Standard, AX5 — 2.5L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Pioneer, 4.0 L, 4WD, Automatic — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Pioneer, 4.0 L, 4WD, Standard — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Pioneer, 4.0 L, RWD, Automatic — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| Pioneer, 4.0 L, RWD, Standard — 4.0L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
Buy the right oil
Buy 10W-30 motor oil on Amazon1990 Jeep Comanche oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your Comanche
1990 Jeep Comanche factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
10.0 quarts (9.46 L) — 50/50 mixture of All Season Coolant and water. Includes: 2.3 qts. for the engine coolant recovery tank.
Frequently asked questions
What type of oil does a 1990 Jeep Comanche take?
It depends on the engine: Base, 2.5 E, 4WD, Automatic uses 10W-30; Base, 2.5 E, 4WD, Standard, AX4 uses 10W-30; Base, 2.5 E, 4WD, Standard, AX5 uses 10W-30; Base, 2.5 E, RWD, Automatic uses 10W-30; Base, 2.5 E, RWD, Standard, AX4 uses 10W-30; Base, 2.5 E, RWD, Standard, AX5 uses 10W-30; Base, 4.0 L, 4WD, Automatic uses 10W-30; Base, 4.0 L, 4WD, Standard uses 10W-30; Base, 4.0 L, RWD, Automatic uses 10W-30; Base, 4.0 L, RWD, Standard uses 10W-30; Eliminator, 4WD, Automatic uses 10W-30; Eliminator, 4WD, Standard uses 10W-30; Eliminator, RWD, Automatic uses 10W-30; Eliminator, RWD, Standard uses 10W-30; Pioneer, 2.5 E, 4WD, Automatic uses 10W-30; Pioneer, 2.5 E, 4WD, Standard, AX4 uses 10W-30; Pioneer, 2.5 E, 4WD, Standard, AX5 uses 10W-30; Pioneer, 2.5 E, RWD, Automatic uses 10W-30; Pioneer, 2.5 E, RWD, Standard, AX4 uses 10W-30; Pioneer, 2.5 E, RWD, Standard, AX5 uses 10W-30; Pioneer, 4.0 L, 4WD, Automatic uses 10W-30; Pioneer, 4.0 L, 4WD, Standard uses 10W-30; Pioneer, 4.0 L, RWD, Automatic uses 10W-30; Pioneer, 4.0 L, RWD, Standard uses 10W-30.
How much oil does a 1990 Jeep Comanche take?
Capacity depends on the engine: Base, 2.5 E, 4WD, Automatic holds 4.0 quarts with filter; Base, 2.5 E, 4WD, Standard, AX4 holds 4.0 quarts with filter; Base, 2.5 E, 4WD, Standard, AX5 holds 4.0 quarts with filter; Base, 2.5 E, RWD, Automatic holds 4.0 quarts with filter; Base, 2.5 E, RWD, Standard, AX4 holds 4.0 quarts with filter; Base, 2.5 E, RWD, Standard, AX5 holds 4.0 quarts with filter; Base, 4.0 L, 4WD, Automatic holds 6.0 quarts with filter; Base, 4.0 L, 4WD, Standard holds 6.0 quarts with filter; Base, 4.0 L, RWD, Automatic holds 6.0 quarts with filter; Base, 4.0 L, RWD, Standard holds 6.0 quarts with filter; Eliminator, 4WD, Automatic holds 6.0 quarts with filter; Eliminator, 4WD, Standard holds 6.0 quarts with filter; Eliminator, RWD, Automatic holds 6.0 quarts with filter; Eliminator, RWD, Standard holds 6.0 quarts with filter; Pioneer, 2.5 E, 4WD, Automatic holds 4.0 quarts with filter; Pioneer, 2.5 E, 4WD, Standard, AX4 holds 4.0 quarts with filter; Pioneer, 2.5 E, 4WD, Standard, AX5 holds 4.0 quarts with filter; Pioneer, 2.5 E, RWD, Automatic holds 4.0 quarts with filter; Pioneer, 2.5 E, RWD, Standard, AX4 holds 4.0 quarts with filter; Pioneer, 2.5 E, RWD, Standard, AX5 holds 4.0 quarts with filter; Pioneer, 4.0 L, 4WD, Automatic holds 6.0 quarts with filter; Pioneer, 4.0 L, 4WD, Standard holds 6.0 quarts with filter; Pioneer, 4.0 L, RWD, Automatic holds 6.0 quarts with filter; Pioneer, 4.0 L, RWD, Standard holds 6.0 quarts with filter.
Can I use synthetic oil in my 1990 Jeep Comanche?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1990 Jeep Comanche. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.