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Loud noise on start up 06 5.4 Triton Engine w/ac

Old 01-09-2015, 01:23 PM
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Default Loud noise on start up 06 5.4 Triton Engine w/ac

Guys and gals,

When I first start up in winter conditions, it makes a loud noise which calms down within a minute. Any ideas what this might be? I am thinking Idler pulley since I have changed out the belt, tensioner and pulleys on it. Maybe something else--feel as though i might be chasing a rabbit.

Thanks for any help,

Steve


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