Is Phaser knock only when hot?
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Tuned
Joined: Jun 2003
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Is Phaser knock only when hot?
I think I have phaser knock on my 2006 FX4 5.4L w/134,000. I hear the knock in the front area of the passenger side valve train. The thing is, all I have read/viewed has been that phaser knock is only when hot and not cold? I hear it from when it is started up when the idle returns to 600rpm of so. If I give it any gas and get it to 1000rpm, it goes away...which leads me to believe it isn't a lifter/roller follower. Runs fine and no rattle on startup. Is phaser knock on a cold engine possible? its no worse when its warmed up, pretty much always the same level of knock sound at low rpm.
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slc10844
1999 - 2003 7.3L Power Stroke Diesel
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Oct 18, 2005 07:53 PM
