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-   -   Timing chain noise on deceleration? (http://forums.pelicanparts.com/porsche-911-technical-forum/636314-timing-chain-noise-deceleration.html)

opata 10-24-2011 09:18 AM

Timing chain noise on deceleration?
 
Hello, My engine has about 3.5k on it since I rebuilt it last summer. it's an 80 sc 3.0. I am noticing a noise which sounds like the timing chain on the right side during deceleration. It seems normal on acceleration and idle. Is this something I should be concerned about? I put new pressure fed tensioners on. I'll try to post a video or sound clip if I can figure out how to do it.....
Thanks!

RSTarga 10-24-2011 11:28 AM

I wouldn't drive it until you take a proper look. this can be devastating.

bullethole 10-24-2011 12:19 PM

I had the timing chain idler arm on my race car break, ended up grinding up the chain casing and a total rebuild. Old part failure. Don't drive it until you can pull the covers off and make sure that all is good

opata 10-24-2011 12:23 PM

Good advise. I'll take the cover off this week and take a look. Anything specific to look at? I read post on tensioners loosing pressure. I'll see if the chain is tight. Also, look at the ramp....maybe its loose....Thanks!


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