1999 F150 5.4 triton
08-02-2009, 03:33 PM
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1999 F150 5.4 triton
The Engine When Running Has A Grinding Noise Coming From The Chain For The Over Head Cam. Is There Any Way l Can Tighten it or do we have to replace. it sounds like it is rubbing on something inside front cover. it could possible be rubbing on the chain also. i have removed the valve cover and ran it 
08-03-2009, 01:09 PM
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The chain has plastic guides under the front cover that the chain rides on. I have seen where these have broken and caused similar noise. You should be able to look down with v/c removed and see these.