timing chain, valve cover noise

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jmicha3l
Posts: 62
Joined: Wed Sep 19, 2007 4:34 am
Car: 07 Nissan Altima 2.5S black
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Ive been hearing sounds like a clicking/rattling/vibration under the valve cover, but I think its the timing chain/tensioner. i was wondering if adding oil would relieve the symptoms. Also, is it bad to drive with a bad tensioner coz i doubt the stealership would replace such a thing.


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