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1. Release the pressure in the cooling system by slowly turning the pressure relief cap one half turn counterclockwise. When the pressure is released, remove the pressure relief cap. 2. Note: less than 80% of coolant can be recovered with the engine in the vehicle. Dirty, rusty or contaminated coolant requires replacement. Filling and bleeding with radkitplus 1. Using the special tool, install the radkitplus and follow the radkitplus manufacturer’s instructions to fill and bleed the cooling system. Filling and bleeding without radkitplus 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 clean, drinkable water. To maintain the integrity of the coolant and the cooling system: on 3.9l engines 1. Remove the engine fill cap.

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1. Release the pressure in the cooling system by slowly turning the pressure relief cap one half turn counterclockwise. When the pressure is released, remove the pressure relief cap. 2. Note: less than 80% of coolant can be recovered with the engine in the vehicle. Dirty, rusty or contaminated coolant requires replacement. Place a suitable container below the radiator draincock. If equipped, disconnect the coolant return hose at the oil cooler. * close the radiator draincock when finished. Filling and bleeding with radkitplus 1. Using the special tool, install the radkitplus and follow the radkitplus manufacturer’s instructions to fill and bleed the cooling system. Filling and bleeding without radkitplus on 3.0l engines 2. Open the engine air bleed. On all engines 3. Open the heater air bleed. 4. Add coolant to the degas bottle allowing the system to equalize until no more coolant can be added. On 3.0l engines 5. Close the engine air bleed when coolant begins to escape. On all engines 6. Replace the degas bottle cap. On 3.9l engines caution: care must be taken to ensure the accessory drive belt does not become contaminated with engine coolant. 7. Add as much coolant as possible to the engine fill. The heater air bleed will remain open. 8. Replace the engine fill cap.

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Note: less than 80% of coolant capacity can be recovered with the engine in the vehicle. Dirty, rusty or contaminated coolant requires replacement. 1. Release the pressure in the cooling system by slowly turning the pressure relief cap one half turn counterclockwise. When the pressure is released, remove the pressure relief cap. 2. Place a suitable container below the radiator draincock (8115). If equipped, disconnect the coolant return hose at the oil cooler. 3. Open the radiator draincock. 4. Close the radiator draincock when finished. Filling and bleeding with radkitplus 1. Using the special tool, install the radkitplus and follow the radkitplus manufacturer’s instructions to fill and bleed the cooling system. Filling without radkitplus 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.

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Draining warning: never remove the pressure relief cap under any conditions while the engine is operating. Failure to follow these instructions can result in damage to the cooling system or engine, or result in personal injury. To avoid having scalding hot coolant or steam blow out of the cooling system, never remove the pressure relief valve from a hot degas bottle. Wait until the engine has cooled, then wrap a thick cloth around the pressure relief cap and turn it slowly one turn (counterclockwise). Step back while the pressure is released from the cooling system. When certain all the pressure has been released, remove the pressure relief cap (still with a cloth). Caution: the coolant must be recovered in a suitable, clean container for reuse. If the coolant is contaminated, it must be recycled or disposed of correctly and replaced. Caution: some vehicle cooling system are filled with motorcraft premium engine coolant vc-4-a (in oregon vc-5, in canada cxc-10) or equivalent meeting ford specification ese-m97b44-a (green color). Others are filled with motorcraft premium gold coolant vc-7-a (in oregon vc-7-b) or equivalent meeting ford specification wss- m97b51-a1 (yellow color). 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. Note: less than 80% of coolant capacity can be recovered with the engine in the vehicle. Dirty, rusty or contaminated coolant requires replacement. 1. Release the pressure in the cooling system by slowly turning the pressure relief cap one half turn counterclockwise. When the pressure is released, remove the pressure relief cap. 2. Place a suitable container below the radiator draincock (8115). If equipped, disconnect the coolant return hose at the oil cooler. 3. Open the radiator draincock. 4. Close the radiator draincock when finished. Filling and bleeding with radkitplus 1. Using the special tool, install the radkitplus and follow the radkitplus manufacturer’s instructions to fill and bleed the cooling system.

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Service procedure inspect the degas bottle for evidence of fuel in engine coolant. If diesel fuel is present, refer to the following service procedure. If not, follow normal diagnostics. Note it is very important to ensure a complete flushing of the engine cooling system is performed to remove all contaminants following repair. 1. Drain coolant from cooling system. 2. Remove all injectors from both cylinder heads. Refer to workshop manual (wsm), section 313-04c. 3. Wipe injector bore clean of oil and fuel then apply a thin layer of bubbly type liquid hand soap, dish soap or laundry soap inside each injector bore. Ensure injector sleeve lip and cylinder head casting are coated with a soap layer. (adding a small amount of water to the soap aids in creating bubbles)