Question about 2009 Ford Flex

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2009 Ford Flex when started first thing on a cold morning it ticks/knocs really really loud, once it warms up the ticking goes away to a very light tick. The dealership ruled out an exhaust manifold leak. They are going to keep it over night to restart in the morning to hear the knocking/ticking noise when cold. They stated it could be a lifter problem or a crushed valve but mentioned there is probably nothing they can do if its a lifter problem. It is still under warranty and only started doing this in the last 2 months when its been the coldest here. We have also had a transmission leak that has now been fixed all which occured within the last 2 months as well. Any idea on what the knocking noise could be and what can be done to fix it?

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It does sound like a valve lifter problem to me also. It should be covered under warranty. It's a mechanical failure of a component of the drivetrain. Ask them to show you the specific exclusion if they say it's not a warranty problem.Powertrain warranty is 60 months/60,000 miles ( which ever comes first).

Posted on Mar 30, 2011

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