7639 - Ford Valve Spring Compressor - 4.6L, 5.4L & 6.8L 3V

• Services Ford vehicles w/ 4.6L, 5.4L & 6.8L 3V engine
• Compare to Ford Factory Tool 303-1039

Instructions

1. Install 2-leg main body below the camshaft and above the engine block to form a pivot.

2. Install the holding hook to the main body, aim the hook at the value spring, and tighten the knob to hold the valve spring.

Note: Make sure both legs of the tool sit flat on the other side of the head underneath the cam. (Where valve cover rests on the head). Pay attention to the valve keepers. Ensure they stay on while you pull your rollers. They may pop up when depressing your springs.

Applications

Make	Model	Engine	Year
Ford	Mustang	4.6L V8	2005-2010
Ford	Super Duty	6.8L V10	2005-2010
Ford	F-150	4.6L V8	2008-2010
Ford	F-150	5.4L V8	2004-2010
Ford	F-Super Duty 250-550	5.4L V8	2004-2010
Ford	F-Super Duty 250-550	6.8L V10	2005-2018
Ford	F-Super Duty 650-750	6.8L V10	2012-2018
Ford	Falcon/Fairmont	5.4L V8	2003-2007
Ford	Explorer	4.6L V8	2005-2010
Ford	Sport Trac	4.6L V8	2006-2010
Ford	Crown Victoria	4.6L V8	1992-2012
Ford	Expedition	5.4L V8	2005-2014
Lincoln	Navigator	5.4L V8	2005-2014
Mercury	Mountaineer	4.6L V8	2005-2010