2009 Ford F450 Owner's Manual - Page 359
2009 Ford F450 Manual
Page 359 highlights
Cleaning ENGINE Engines are more efficient when they are clean because grease and dirt buildup keep the engine warmer than normal. When washing: • Take care when using a power washer to clean the engine. The high-pressure fluid could penetrate the sealed parts and cause damage. • Do not spray a hot engine with cold water to avoid cracking the engine block or other engine components. • Spray Motorcraft Engine Shampoo and Degreaser (ZC-20) on all parts that require cleaning and pressure rinse clean. • Never wash or rinse the engine while it is running; water in the running engine may cause internal damage. • Cover the highlighted areas to prevent water damage when cleaning the engine. • 5.4L V8 gasoline engine 359 2009 F-250/350/450/550 (f23) Owners Guide, 3rd Printing USA (fus)
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