Question about 2003 Nissan Altima

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Checked oil. it was 1 to 2 quarts low. no idea for how long. seems as though the top of the engine makes a slight tap or clacking sound when accelerating. what is the least that the problem could be. and what is the most it could be.

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It sounds like bearing noise to me. you ran it to low on oil and ran a bearing dry. you can try a thicker oil. if it doesnt go away your gonna need a motor job.

Posted on Apr 10, 2011

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