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05/12/2021 8:51 pm
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I recently changed the oil and filter on a 2.5L 2010 Mazda 3. When I turned on the car to reverse it off the ramps I heard a sound I didn’t like coming from the engine (not sure if it was knock, valve clatter or chain rattle). I only heard it for one second immediately after starting it before it disappeared and the engine ran fine afterwards. Should I be concerned?
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05/12/2021 9:49 pm
No.
