07 5.4 Knock when warm
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Joined: Feb 2006
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From: Cypress, TX
07 5.4 Knock when warm
I have noticed my truck lately makes a noise likes it knocking more prevelant lower in the engine compartment on both sides. Runs great, oil looks new and its full. It does not sound like a mechnical knock, but something else. Maybe exhaust?
It only does this when its warm and I have been driving it alot. Notice it when shutting it down today in my driveway. I left it running and got out and went inside.<!-- google_ad_section_end --><!-- / message -->
It only does this when its warm and I have been driving it alot. Notice it when shutting it down today in my driveway. I left it running and got out and went inside.<!-- google_ad_section_end --><!-- / message -->
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Elder User
Joined: Nov 2001
Posts: 892
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From: Duluth, MN
You can't get to the chain without removing the valve covers and looking down the front cover to see if the gaskets blew out on the tensioners. Unless your getting a very loud click from the phazers, or it's causing driveability issues, warranty isn't gong to cover them(at least thats what we've been told)....
Elder User
Joined: Nov 2001
Posts: 892
Likes: 1
From: Duluth, MN
I've seen chain guides come loose and slap around inside the front cover, or the tensioner seals blow out and the chain looses tension causing it to slap...
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Joined: Feb 2006
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From: Cypress, TX
Could you PLEASE post a copy! I will change tomorrow.
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