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There is a knocking coming from the engine - QX4 Infiniti Cars & Trucks

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Sounds like your main bearings are bad

Posted on Jan 10, 2013

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Posted on Jan 02, 2017

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ENGINE KNOCKS


When you say engine knocks ..what type of knocks//where does the knocks come from top of engine like atapping/ knocking from the bottom of engine a harsh knock/ does it sound like it comes with 1 piston up on TDC or BDC or more than one knock per 1 RPM /AND whats the condition of the oil at the moment / and what engine have you got in it.
Let me know how you get on ASAP Ron

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