Question about 2003 Pontiac Grand Am
I wouldn't worry much unless it lasts for more than a few weeks after the next oil change. What you're probably hearing is the valves rattling. This is because of the very low consistency of the oil. I wouldn't recommend 5w20 for any engine personally, as when it is at normal operating temperature it's more like water then oil. I'd simply change the oil again after a couple days and let the new oil feed out any of the 5w20.
If this problem persists, I'd definitely take it to the shop to have checked just some internal damage occured.
On a side note, a good idea for you; get a can of oil treatment such as STP or Valvoline. This can help revive the consistency of the oil and possibly quiet that sound. But, it'll definitely help keep the oil where it should be.
Posted on Sep 09, 2008
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