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Old 10-29-2009, 02:44 PM
mno3fan mno3fan is offline
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03' 4.6 knock
I'm new and in need of help. I drove the truck on Saturday morn. and no noise. Came back out several hours later to go somewhere and started the truck and heard a loud knocking noise. I was told by a friend/mechanic it sounde like a loose rocker or bad lifter. Has anyone had this problem and if so what was it ? I'm sure it is not good. Any help will be greatly appreciated .
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Old 10-29-2009, 07:00 PM
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LxMan1 LxMan1 is offline
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It has been known on occasion that a cam follower (rocker arm type unit) fill fall out. Usually not without a collapsed lash adjuster though.
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