1988 GMC Safari Oil Type & Capacity
The 1988 GMC Safari oil type depends on the engine: the Van Cargo, 2.5 E, Automatic takes 5W-30 (3.5 quarts with filter); the Van Cargo, 2.5 E, Standard takes 5W-30 (3.5 quarts with filter); the Van Cargo, 4.3 Z, Automatic takes 5W-30 (5.0 quarts with filter); the Van Cargo, 4.3 Z, Standard takes 5W-30 (5.0 quarts with filter); the Van Passenger, Automatic takes 5W-30 (5.0 quarts with filter); the Van Passenger, Standard takes 5W-30 (5.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Van Cargo, 2.5 E, Automatic: 5W-30, 3.5 quarts with filter
- Van Cargo, 2.5 E, Standard: 5W-30, 3.5 quarts with filter
- Van Cargo, 4.3 Z, Automatic: 5W-30, 5.0 quarts with filter
- Van Cargo, 4.3 Z, Standard: 5W-30, 5.0 quarts with filter
- Van Passenger, Automatic: 5W-30, 5.0 quarts with filter
- Van Passenger, Standard: 5W-30, 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Van Cargo, 2.5 E, Automatic — 2.5L Eng | API - SAE 5W-30 (Below -20Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F) | 3.50 QTS. | 3.00 QTS. | — |
| Van Cargo, 2.5 E, Standard — 2.5L Eng | API - SAE 5W-30 (Below -20Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F) | 3.50 QTS. | 3.00 QTS. | — |
| Van Cargo, 4.3 Z, Automatic — 4.3L Eng | API - SAE 5W-30 (Below -20Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| Van Cargo, 4.3 Z, Standard — 4.3L Eng | API - SAE 5W-30 (Below -20Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| Van Passenger, Automatic — 4.3L Eng | API - SAE 5W-30 (Below -20Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| Van Passenger, Standard — 4.3L Eng | API - SAE 5W-30 (Below -20Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
Buy the right oil
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More specs & repair guides for your Safari
1988 GMC Safari 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) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1988 GMC Safari take?
It depends on the engine: Van Cargo, 2.5 E, Automatic uses 5W-30; Van Cargo, 2.5 E, Standard uses 5W-30; Van Cargo, 4.3 Z, Automatic uses 5W-30; Van Cargo, 4.3 Z, Standard uses 5W-30; Van Passenger, Automatic uses 5W-30; Van Passenger, Standard uses 5W-30.
How much oil does a 1988 GMC Safari take?
Capacity depends on the engine: Van Cargo, 2.5 E, Automatic holds 3.5 quarts with filter; Van Cargo, 2.5 E, Standard holds 3.5 quarts with filter; Van Cargo, 4.3 Z, Automatic holds 5.0 quarts with filter; Van Cargo, 4.3 Z, Standard holds 5.0 quarts with filter; Van Passenger, Automatic holds 5.0 quarts with filter; Van Passenger, Standard holds 5.0 quarts with filter.
Can I use synthetic oil in my 1988 GMC Safari?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1988 GMC Safari. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.