Mechanics

TOP-END CLATTER ON COLD-START IN THE MORNING......

2001 Lincoln Continental • 175,000 miles

This car has the 4.6 engine that runs very smooth after running for a minute or so but has an extremely loud clatter coming from I believe the cam and rocker area. What would cause this? The oil is full and it was changed a few months ago with semi-synthetic at the Ford dealer. I'm suspicious about the oil pump. What do you guys think?

Thanks.


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Atomicdr
December 9, 2011.



Cold weather can cause it if the oil weight used is too heavy. Was 5w30 used?