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cmb · 02-28-2015

Yes, the tick follows the engine speed. It will increase in rate if I bring the revs up past idle. The idle is smooth. Engine never stumbles, and doesn't sound like it's missing.

A couple of you have asked about the flywheel. How might this contribute to the noise? I don't have any particular reason to believe that it's ever been replaced -- does that mean it's the dual-mass part?

It's difficult to tell from the video, but the sound certainly seems to come from under the cam cover (at cyl #2) rather than from something external at the front of the engine.

I'll check out the belt tensioner. Is the thought that the tensioner itself might be bad, or that the belt tension is causing some other problem?

I'm in Merrimack, NH.

02-28-2015	#6
cmb Join Date: Nov 2014 Location: NH Posts: 13	Re: Top end clatter / lifter tick? Yes, the tick follows the engine speed. It will increase in rate if I bring the revs up past idle. The idle is smooth. Engine never stumbles, and doesn't sound like it's missing. A couple of you have asked about the flywheel. How might this contribute to the noise? I don't have any particular reason to believe that it's ever been replaced -- does that mean it's the dual-mass part? It's difficult to tell from the video, but the sound certainly seems to come from under the cam cover (at cyl #2) rather than from something external at the front of the engine. I'll check out the belt tensioner. Is the thought that the tensioner itself might be bad, or that the belt tension is causing some other problem? I'm in Merrimack, NH.