2006 Lincoln Navigator Owner Guide 2nd Printing - Page 376

Maintenance and Specifications MOTORCRAFT PART NUMBERS Component Air filter element Battery Fuel filter Oil filter PCV valve Spark plugs 1 5.4L 3V V8 engine FA-1754 BXT-65-650 FG-986B FL-820-S 1 2 The PCV valve is a critical emission component. It is one of the items listed in scheduled maintenance information and is essential to the life and performance of your vehicle and to its emissions system. For PCV valve replacement, see your authorized dealer. Refer to scheduled maintenance information for the appropriate intervals for changing the PCV valve. Replace the PCV valve with one that meets Ford material and design specifications for your vehicle, such as a Motorcraft or equivalent replacement part. The customer warranty may be void for any damage to the emissions system if such a PCV valve is not used. For spark plug replacement, see your authorized dealer. Refer to scheduled maintenance information for the appropriate intervals for changing the spark plugs. Replace the spark plugs with ones that meet Ford material and design specifications for your vehicle, such as Motorcraft or equivalent replacement parts. The customer warranty may be void for any damage to the engine if such spark plugs are not used. 2 376 2006 Navigator (nav) Owners Guide (post-2002-fmt) USA (fus)