black 4x4
Full Access Members
2001 5.4 xlt. If I'm in park and rev the engine there is no extra engine noise leaking in the cabin even @ 3k rpm and above. But once I put the truck in drive and start driving annoying amount of engine valve noise leaking in from the left window side air vent.
It really did started to drive me nuts. So any ideas how to cure it?
It really did started to drive me nuts. So any ideas how to cure it?
