2008 cobalt timing chain rattle

G

G-219144

Has anyone ever had this issue? I just replaced the entire timing chain system actually everything is new except a somewhat worn chain and it's still rattling a little after so many starts,new tensioner. Apparently this cobalt has a poorly designed tensioner so I'm tryna figure out if the tensioner is causing the rattle or if it's in fact the semi worn chain
 

zora

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Why would you replace everything but the chain?
 
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