Knocking noise on first start

Asked by Mikeallen410 Sep 08, 2020 at 08:06 PM about the Chevrolet Aveo

Question type: Maintenance & Repair

Knocking noise on first 5 mins. Then noise gone when engine
is hot

2 Answers

40,015

it won't go away , sounds like you should be looking for another car soon . What year is it ?

105

Quite possible that the weight of oil you're running is too heavy. The knocking is likely valves that aren't being lubricated properly until the oil warms up and becomes more viscous.

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