2008 Nissan Altima Q&A
2008 Nissan Altima Question: Heat shield maybe??
The heat shields were a problem there were service bulletins from Nissan about that. There may be other shields that are corroded, or it just may be normal metal expansion and contraction. - patrick mannion
My engine seems to have a louder. Sound when running and when I shut off engine it takes a second after key is turned that rumbling stops.Also ther is a noise unde front of car that rattles when go...