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Old 08-24-2014, 03:21 PM   #1
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Default Slight clicking at low RPM

Hi everyone,
I am the recent owner of a 2007 F150, 4x4 with a 5.4L engine. As a lot of you know, the 5.4 has a cam phaser issue that seems to affect many engines, which is recognizable due to the clicking sound an engine with the problem makes.

I recently bought mine, which has 122k miles on it, so I've been diligently paying attention to anything which might indicate issues like the one above. While I haven't heard the obvious clicking sounds mentioned above, I do notice a very slight ticking noise in the 750-1000 RPM range. No noise before or after that range that I can tell.

I actually have to seek the ticking out for myself, as it occurs at such a low range (in neutral or in 1st gear) and nothing before or after that, but I'm concerned it might get worse, affect higher RPMs, or be indicative of a bigger problem to come.

Does anyone have experience with this, that could provide me some feedback on how to figure out what might be causing this?
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Old 08-26-2014, 02:36 PM   #2
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Just an FYI for anyone who was thinking about going through with the whole cam phaser repair, I found this:

21574 4.6L 3V/ 5.4L 3V ENGINE TICK/RATTLE FROM VCT 800-1200 RPM - DO NOT ATTEMPT SERVICE
2009-2010 F150 WITH 4.6L 3V, 2005-2010 F150 WITH 5.4L 3V,2005-2010 MUSTANG WITH 4,6L 3V, 2005-2010 F250, F350 WITH 5.4L3V, 2006-2010 EXPLORER/MOUNTAINEER WITH 4.6L 3V ENGINE, 2007-2010 SPORT TRAC WITH 4.6L 3V ENGINE, AND 2005-2011 EXPEDITIONS AND NAVIGATORS WITH 5.4L 3V ENGINES. SOME CUSTOMERS MAY BE CONCERNED WITH TICK/RATTLE NOISES FROM THE VARIABLE CAM TIMING (VCT) ON LIGHT TIP-IN ACCEL BETWEEN 800-1200 RPM. THIS CONDITION MAY BE MOST NOTICEABLE OPERATING VEHICLE IN CONFINED AREAS SUCH AS A DRIVE-THRU. THE NOISE IS ELIMINATED WHEN VCT SOLENOIDS ARE UNPLUGGED. THIS CONDITION SHOULD BE CONSIDERED A NORMAL CHARACTERISTIC OF THE ENGINE. DO NOT ATTEMPT ENGINE REPAIRS TO CHANGE THIS NORMAL CONDITION. THIS CONDITION DOES NOT AFFECT PERFORMANCE OR DURABILITY OF THE ENGINE.

Sounds like all is well.
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Old 08-26-2014, 02:36 PM
 
 
 
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