Ford FCSD TECHNICAL TRAINING FCS-14000-DL Bedienungsanleitung PDF herunterladen (Seite 40)

LESSON 3: POWERTRAIN

5.4L Three-Valve Head

The three-valve head has two smaller intake valves and one larger exhaust valve.

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The three-valve head includes all of the advantages of the four-valve head with fewer parts and less noise.

CAUTION: Remove the spark plugs before removing the heads. The spark plugs are long and can be

damaged if left in the head. The gap is non-adjustable.

The spark plugs used in the 3-valve head require a special 9/16 inch socket. Rotunda Tools, among others, sells

the socket for under $10.00. Order item number SKT4419 from the Rotunda Technician Tool Program (RTTP).

2005 Expedition/Navigator New Model Technician Training02-SEP-043-4

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Ford FCSD TECHNICAL TRAINING FCS-14000-DL Bedienungsanleitung Seite 40