So, after making a valve clearance adjustment on my '13, there seemed fairly increased internal noise in/around the engine. I replaced my doohickey and swapped the original spring for the torsion, and that took out a good amount of the noise. However, there is now a more precise chain rattling noise somewhere north of the rotor/balancer area. It is quiet-ish, but easily heard when I start it w/ choke in the morning.
My question is whether resetting the cam chain tensioner is something that can be done without taking the valve cover off, setting to TDC, etc. I'm pretty sure I re-set it correctly when I adjusted the valve clearance, but if it's that easy, I might just take it out, reset it, and reinstall.
If you 'zeroed' the cam chain tensioner with spring removed & then bolted the body into the cylinder & then re-inserted the spring & cap, that should be 100% correct procedure. But you can easily re-do it, just to be sure.
I'll suggest that the chain noise which you are currently hearing may be kinda of a 'ssshhhing' sound, correct?
That is probably the balancer chain sliding snugly across its chain guides. The EM Torsion spring & Doo will pull the engine Balancer chain to 'Zero Slack' when the system is assembled or adjusted at TDC. The factory spring & lever system can Never pull the system to 'Zero Slack', there is always the sloppy fit of the oem doo on the eccentric shaft.
The Original design EM doo & Extension spring still Could Not achieve zero slack, so it was recommended to be adjusted at every oil change, too keep slack to a minimum.
The EM Torsion Spring on the other hand, installed on the snug fitting EM Doo-Hickey and assembled or adjusted at TDC should only be adjusted about every 6000-7500 miles according to Eagle Mikes own instruction. This reduces unnecessary wear on the guides & allows the ssshhhing to subside.
Does this make sense?