2008 Chevrolet Cab & Chassis Silverado Oil Type & Capacity
The 2008 Chevrolet Cab & Chassis Silverado oil type depends on the engine: the 2D Pickup, 6.0 K, 4WD takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup, 6.0 K, RWD takes 5W-30 (6.0 quarts qt with filter); the 2D Pickup, 6.6 6, 4WD takes 15W-40 (10.0 quarts qt with filter); the 2D Pickup, 6.6 6, RWD takes 15W-40 (10.0 quarts qt with filter); the 4D Pickup Extra Cab, 6.0 K, 4WD takes 5W-30 (6.0 quarts qt with filter); the 4D Pickup Extra Cab, 6.0 K, RWD takes 5W-30 (6.0 quarts qt with filter); the 4D Pickup Extra Cab, 6.6 6, 4WD takes 15W-40 (10.0 quarts qt with filter); the 4D Pickup Extra Cab, 6.6 6, RWD takes 15W-40 (10.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 2D Pickup, 6.0 K, 4WD: 5W-30, 6.0 quarts with filter
- 2D Pickup, 6.0 K, RWD: 5W-30, 6.0 quarts with filter
- 2D Pickup, 6.6 6, 4WD: 15W-40, 10.0 quarts with filter
- 2D Pickup, 6.6 6, RWD: 15W-40, 10.0 quarts with filter
- 4D Pickup Extra Cab, 6.0 K, 4WD: 5W-30, 6.0 quarts with filter
- 4D Pickup Extra Cab, 6.0 K, RWD: 5W-30, 6.0 quarts with filter
- 4D Pickup Extra Cab, 6.6 6, 4WD: 15W-40, 10.0 quarts with filter
- 4D Pickup Extra Cab, 6.6 6, RWD: 15W-40, 10.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2D Pickup, 6.0 K, 4WD — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| 2D Pickup, 6.0 K, RWD — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| 2D Pickup, 6.6 6, 4WD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50. |
| 2D Pickup, 6.6 6, RWD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50. |
| 4D Pickup Extra Cab, 6.0 K, 4WD — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| 4D Pickup Extra Cab, 6.0 K, RWD — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| 4D Pickup Extra Cab, 6.6 6, 4WD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50. |
| 4D Pickup Extra Cab, 6.6 6, RWD — 6.6L Eng | API - SAE 15W-40 | 10.00 QTS. | 9.20 QTS. | Use ONLY engine oils that have one of these designations: CI-4 or CH-4 for DURAMAX diesel engines. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50. |
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More factory specs & repair guides for your Cab & Chassis Silverado
🛞 2008 Chevrolet Cab & Chassis Silverado Tire Size & Pressure →🌧️ 2008 Chevrolet Cab & Chassis Silverado Wiper Blade Sizes →💡 2008 Chevrolet Cab & Chassis Silverado Light Bulb Sizes →📖 2008 Chevrolet Cab & Chassis Silverado Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
16.8 quarts (15.89 L) — 50/50 mixture of DEX-COOL and clean, drinkable water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Frequently asked questions
What type of oil does a 2008 Chevrolet Cab & Chassis Silverado take?
It depends on the engine: 2D Pickup, 6.0 K, 4WD uses 5W-30; 2D Pickup, 6.0 K, RWD uses 5W-30; 2D Pickup, 6.6 6, 4WD uses 15W-40; 2D Pickup, 6.6 6, RWD uses 15W-40; 4D Pickup Extra Cab, 6.0 K, 4WD uses 5W-30; 4D Pickup Extra Cab, 6.0 K, RWD uses 5W-30; 4D Pickup Extra Cab, 6.6 6, 4WD uses 15W-40; 4D Pickup Extra Cab, 6.6 6, RWD uses 15W-40.
What is the oil capacity of a 2008 Chevrolet Cab & Chassis Silverado?
Oil capacity depends on the engine: 2D Pickup, 6.0 K, 4WD holds 6.0 quarts with filter; 2D Pickup, 6.0 K, RWD holds 6.0 quarts with filter; 2D Pickup, 6.6 6, 4WD holds 10.0 quarts with filter; 2D Pickup, 6.6 6, RWD holds 10.0 quarts with filter; 4D Pickup Extra Cab, 6.0 K, 4WD holds 6.0 quarts with filter; 4D Pickup Extra Cab, 6.0 K, RWD holds 6.0 quarts with filter; 4D Pickup Extra Cab, 6.6 6, 4WD holds 10.0 quarts with filter; 4D Pickup Extra Cab, 6.6 6, RWD holds 10.0 quarts with filter.
How often should I change the oil in my 2008 Chevrolet Cab & Chassis Silverado?
Most 2008 Chevrolet Cab & Chassis Silverado 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 — Chevrolet recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2008 Chevrolet Cab & Chassis Silverado?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2008 Chevrolet Cab & Chassis Silverado. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.