vq40de primary chain tensioner question

jfpeters said:

This engine has primary chain noise especially at idle. The chain, guides and tensioner were replaced. That did not fix the issue. These were aftermarket cheap parts I am sure.....I did not do this. My question is, does the primary tensioner have some type of locking mechanism to lock it into place after oil pressure extends it ti its position? Like a ratchet mechanism?

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