Is there a Honda Accord Doctor in the house?

[Zoomschwortz]

I bought a 1990 Honda Accord with 63,000 original miles from my Dad. He had the timing chain, timing chain tensioner and water pump (all new factory Honda parts) replaced just before he sold it to me.

The car is in great shape, but ever since the work was done, it seems to have what sounds like very loud valve train (or loose timing chain) noise.

When the mechanic did the work, he said that the tensioner was missing a bolt from the factory and said it must have never been there since he couldn't find it, so he installed a new bolt.

I checked the valve lash, thinking it may be loose, but found that all were adjusted to .001" above minimum spec.

I don't have a manual for the engine, but I'm hoping we might have a Honda mechanic on this site.

QUESTION:
Do these tensioners have provision for a hold down bolt that can be tightened after collapsing the tensioner to aid in removal of the timing chain?

I am thinking/hoping that the missing bolt wasn't supposed to be there and when he installed the new bolt, it locked the tensioner so it could no longer take up the slack in the timing chain when the engine is running.

Thanks in advance.
Ken