GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Cooling System Capacity | |
| 4.6L | 22.6L (23.8 quarts) |
| 4.6L with aux rear heat | 24.6L (26.0 quarts) |
| 5.4L | 26.3L (27.8 quarts) |
| 5.4L with aux rear heat | 28.3L (29.8 quarts) |
| 6.8L | 27.9L (29.4 quarts) |
| 6.8L with aux rear heat | 29.9L (31.6 quarts) |
| 6.0L | 21.0L (22.2 quarts) |
| 6.0L with aux rear heat | 23.6L (24.9 quarts) |
| Coolant Type | |
| Motorcraft Premium Gold Engine Coolant VC-7-A (in California and Oregon VC-7-B, in Canada VC-7-C) | WSS-M97B51-A1 |
| Other Chemicals | |
| Premium Cooling System Flush VC-1 | ESR-M14P7-A |
| Cooling System Stop Leak Pellets VC-6 | WSS-M99B37-B6 |
| Cooling System Pressure Test Specifications | 89-124 kPa (13-18 psi) held for two minutes without pressure drop |
| Radiator Cap Pressure Test Specifications | 89-124 kPa (13-18 psi) |
| Thermostat Opening Temperature - 4.6L, 5.4L | |
| Starts to open | 86.7-90.6°C (188-195°F) |
| Fully open | 100°C (212°F) |
| Thermostat Opening Temperature - 6.8L | |
| Starts to open | 83-87°C (181-190°F) |
| Fully open | 99°C (210°F) |
| Thermostat Opening Temperature - 6.0L | |
| Starts to open | 87-91°C (189-196°F) |
| Fully open | 104°C (219°F) |
GENERAL SPECIFICATIONS
TORQUE SPECIFICATIONS
| Description | Nm |
|---|---|
| Coolant pump pulley mounting bolts, 4.6L, 5.4L and 6.8L | 25 |
| Fan blades to fan clutch mounting bolts | 20 |
| Fan clutch hub to coolant pump 6.8L and 6.0L Diesel | 133 |
| Radiator mounting bracket retaining bolts | 20 |
| Fan shroud mounting bolts | 6 |
| Coolant pump mounting bolts - 4.6L, 5.4L and 6.8L | 25 |
| Cylinder block drain plug | 20 |
| Radiator side bracket bolts | 9 |
| Charge air cooler-to-radiator bolts | 9 |
| Coolant pump mounting bolts - 6.0L Diesel | 23 |
| Coolant pump pulley bolts - 6.0L Diesel | 31 |
| Cooling fan stator bolts - 6.0L Diesel | 40 |
| Block heater - 6.0L Diesel | 41 |
| A/C condenser-to-radiator bolts | 9 |
| Thermostat housing bolts - 4.6L, 5.4L and 6.8L | 25 |
| Thermostat housing bolts - 6.0L Diesel | 23 |
| Charge air cooler (CAC) duct clamp | 12 |
TORQUE SPECIFICATIONS
Scheme 1
| CAUTION | Always fill the cooling system with the same coolant that is present in the system. Do not mix coolant types. |
Note. The addition of Motorcraft Cooling System Stop Leak Pellets, VC-6, darkens Motorcraft Premium Gold Engine Coolant from yellow to golden tan.
Walter C. Avrea, the owner of patents 3,601,181 and RE 27,965, has granted Ford Motor Company rights with respect to cooling systems covered by these patents.
The cooling system components are as follows
- block heater
- cylinder head temperature (CHT) sensor - 4.6L, 5.4L and 6.8L
- engine coolant temperature (ECT) sensor - 6.0L Diesel
- fan blade
- fan clutch
- fan shroud
- cooling fan stator - 6.0L Diesel
- vistronic fan clutch - 6.0L Diesel
- radiator
- pressure relief cap
- degas bottle
- radiator draincock
- coolant pump
- thermostat
The radiator allows excess engine heat to be transferred to the air.
The radiator cannot be serviced. Install a new radiator.
The coolant pump circulates the coolant. The thermostat
- controls the engine coolant temperature.
- allows quicker engine warm-up.
The degas bottle
- provides a location for service fill.
- contains coolant expansion and system pressurization.
- provides air separation during operation.
- replenishes the engine coolant to the system.
The fan blade draws air through the radiator to help cool the engine coolant.
On gasoline engines, the fan clutch is a thermostatically controlled clutch that controls the fan blade.
On the 6.0L diesel engine, the vistronic fan clutch is controlled by the powertrain control module (PCM). The PCM monitors engine oil temperature (EOT) and engine coolant temperature (ECT) and sends a duty cycle command to the fan clutch to achieve adequate cooling. When a circuit fault is detected, the PCM will set a DTC.
The engine coolant flows
- from the lower radiator hose to the coolant pump.
- from the coolant pump to the engine block and the cylinder heads.
A closed thermostat returns the engine coolant to the coolant pump. An open thermostat allows the engine coolant to flow to the radiator.
| CAUTION | Engine coolant provides freeze protection, boil protection, cooling efficiency and corrosion protection to the engine and cooling components. In order to obtain these protections, the engine coolant must be maintained at the correct concentration and fluid level in the degas bottle. When adding engine coolant, use a 50/50 mixture of engine coolant and distilled water. To maintain the integrity of the coolant and the cooling system: Add Motorcraft Premium Gold Coolant VC-7-A (in California and Oregon VC-7-B, in Canada VC-7-C) or equivalent meeting Ford Specification WSS-M97B51-A1 (yellow color). Do not mix coolant types. The addition of Motorcraft Cooling System Stop Leak Pellets, VC-6, darkens Motorcraft Premium Gold Engine Coolant from yellow to golden tan. Do not add/mix orange colored Motorcraft Specialty Orange Engine Coolant VC-2 or equivalent meeting Ford specification WSS-M97B44-D. Mixing coolants may degrade the coolant's corrosion protection. Do not add alcohol, methanol, brine or any engine coolants mixed with alcohol or methanol anti-freeze. These can cause engine damage from overheating or freezing. Do not mix with recycled coolant. Use of such coolants may harm the engine and cooling system components. |
The optional block heater
- contains an electrical heating element that is installed in the core plug opening. uses a standard 110-volt electrical supply
- keeps the engine coolant warm during cold weather.
See also:
• JACKING & LIFTING
• FRONT END BODY PANELS