| CAUTION | To prevent possible damage to 4.9L engines, use only engine coolant approved for use in aluminum engines and Engine Coolant Supplement (3634621). |
| Application | Specification | |
|---|---|---|
| Coolant Replacement Interval | 30,000 Miles | |
| Coolant Capacity | ||
| Heavy Duty | 14.6 Qts. (13.8L) | |
| Standard | 14.3 Qts. (13.5L) | |
| Pressure Cap | 15 psi | |
| Thermostat | ||
| Starts To Open | 185°F (85°C) | |
| Fully Open | 205°F (96°C) | |
COOLING SYSTEM SPECIFICATIONS