Quote:
Originally Posted by Tonysz
My car makes this knocking noise only if I restart a warm engine, never when cold. It goes away in about 5 seconds. I am going to change oil filters. I am using a K&N filter and Mobil 1 oil 5 w 30. It is not a bad knock. I wonder why it only does it by starting a warm engine?
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Use a Nissan oil filter. This will go away.