![]() ![]() DO NOT UNSCREW THE COOLANT PRESSURE RELIEF CAP WHEN THE ENGINE IS OPERATING OR COOLING SYSTEM IS HOT. (Figure 8)ĪLWAYS ALLOW ENGINE TO COOL BEFORE OPENING THE COOLING SYSTEM. Using a 3/4" coupling adapter and hose clamps, attach a 2' (61 cm) length of heater hose to the remaining section of garden hose to be used as the drain hose (the heater hose will prevent kinking at the tight area of the engine compartment).(the heater hose will prevent kinking at the tight area of the engine compartment). Attach a 2' (61 cm) length of heater hose to the garden hose to be used as the fresh water supply. Using a 3/4" coupling adapter and hose clamps, cut the garden hose to length (the hose must reach from the vehicle to a fresh water supply faucet).On the vehicle the hose and thermostat ports are 3/4" in size. The couplings can be 5/8" x 3/4" or 3/4" x 3/4" depending on the size garden hose used. The garden hose can be either a 5/8" or 3/4". Obtain two (2) hose coupling adapters and one (1) garden hose.* Using 3/4" (19 mm) garden hose - use 3/4" (19 mm) x 3/4" (19 mm) coupling adaptors * Using 5/8" (16 mm) garden hose - use 5/8" (16 mm) x 3/4" (19 mm) coupling adaptors Hose Coupling Adaptors 3" (7.6 cm) to 4" (10 cm) in length ![]() Heater Hose 3/4" (19 mm) diameter hose by 24" (61 cm) long Simple Green® Heavy-Duty Cleaner And Degreaser Fabrication - Prior to starting the flush procedure, obtain the following items.No - Do not proceed as this procedure does not apply.Is the contaminated coolant in a flowable, liquid or milky state? ANY DEVIATION FROM THE SERVICE PROCEDURE WILL RESULT IN SHORTENED COOLANT PROTECTION AGAINST CORROSION IN THE COOLING SYSTEM. Clean cooling system with Motorcraft® Engine Cooling System Iron Cleaner.ĪLL STEPS MUST BE COMPLETED IN ORDER TO PROPERLY CLEAN THE COOLING SYSTEM.Clean cooling system with Simple Green® Heavy Duty Cleaner and Degreaser.SERVICE PROCEDUREįollow the steps in sequence to effectively repair the vehicle: ACTION:įollow the Service Procedure steps to correct the condition. This flushing procedure is to be performed after the source of the cooling system contamination has been identified and repaired. Some 2003-2005 Excursion, 2003-2007 F-Super Duty and 2004-2008 E-Series vehicles equipped with a 6.0L engine may experience engine oil, transmission fluid or diesel fuel contaminating the cooling system. ![]()
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