Mechanics

KNOCKING NOISE

2003 Nissan Altima

Engine Mechanical problem
2003 Nissan Altima 6 cyl Front Wheel Drive Automatic 111, 30 miles

I have a 2003 nissan altima that is making a knocking nose coming from the engine. I put in some lucas to stop the nosie but I still hear it what is wrong? Could I need a timing belt?
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Pntrwjw
May 19, 2008.



Usually a knocking in the engine is a bad wrist pin, or connecting rod bearing. Check the oil pressure while your at it.

Merlin2021
May 19, 2008.