probak118 Posted May 10, 2012 Report Share Posted May 10, 2012 One month old, 3.6L with 700 kms. On initial startup the engine seems to be a lot noisier for about 5 - 7 seconds. I'm not talking about the brief higher RPMs noise on start up this is a vibration etc... But, only happens on initial startup. All starts afterwards are normal. My wife even looks at me funny when this occurs Quote Link to comment Share on other sites More sharing options...
bramfrank Posted May 10, 2012 Report Share Posted May 10, 2012 That's because the oil has settled to the sump overnight and needs to be circulated through the engine - one reason you don't floor the beast on startup.. Quote Link to comment Share on other sites More sharing options...
Geer Posted May 11, 2012 Report Share Posted May 11, 2012 Mine does this as well. Its normal. I had a chevy equinox that sounded like a can of marbles when you cold started it. The one thing you can do is run synthetic oil if you have cold winters, as this will allow the engine to prime and pump up oil pressure must faster, reducing that window of time when the oil supply is diminished. In fact I run synthetic all year round, as it tends to adhere to metal and thus provides a little more protection during start-up...that's when most engine wear occurs. Quote Link to comment Share on other sites More sharing options...
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