WHEN IM DRIVING ITS MAKING A RATTLING NOISE IT ...

2003 Lincoln Aviator

Tiny

Anonymous

November, 21, 2012 AT 8:41 AM

When im driving its making a rattling noise it does it when its idling to just not as loud when I reach 4000 rpms it goes away and my gas milige has gotten worse none of the warning lights are on in the dash and when you do a systems check everything comes back good transmission seems to be shifting fine I thought it was a pully but I took it to get checked out and I was told it was the valves but I dont think it is because the rattle would never go away it would be constant

1 Answer

Tiny

Jacobandnickolas

November, 21, 2012 AT 1:22 PM

IT could be the valves. At a higher RPM the oil pressure may be getting high enough to stop the noise.

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