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Old 06-10-2021, 05:48 PM   #19
911monty
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Join Date: Oct 2014
Location: California Central Coast
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Garage
Quote:
Originally Posted by Seadweller View Post
Monty, are you then saying I can use the external spring version on my '98?

It seems there's an updated tensioner for my specific engine (w/o the external spring), and from what I've read, it's a tad longer than the original, which could be a design change, or perhaps the tensioner that was replaced was "stuck" in a retracted position.

Based on some cursor research, it seems that replacing the original tensioner, with the updated version of the original, doesn't seem to address the rattle at start-up issue. I have however read that the external spring version does have an effect. I just want to make sure I don't blow up my 37K mile engine with the wrong part!
My car is also a 2.5L 98. It has had the upgraded tensioner w/external spring in it for more than 30k miles. I've had no issues. Does it eliminate the rattle? If my car sits for a month or more without running I have heard chain rattle on startup. If I'm driving regularly at least once every 2 weeks I get NO startup rattle. I do occasionally get a valve tappet making 3 -6 ticks.
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