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Why does my Infiniti 1999 G20 145k Miles makes noise at startup but goes away in 5 to 10 seconds Is this the timing chain?

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after the car sits for a while ,the oil settles back down into the pan.On start up i takes a few seconds for the possible worn oil pump or partially clogged oil passages to pump oil to the upper end of the motor

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First answer by Douginfiniti. Last edit by Douginfiniti. Contributor trust: 29 [recommend contributor]. Question popularity: 19 [recommend question]

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