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Join Date: Feb 2015
Location: Salinas, CA
Posts: 37
Chain Tensioner O-ring

So I'm about to be at the step of the rebuild process where I have to install the chain tensioners, and I'm realizing I forgot to follow up on the small o-ring on the tensioners. The engine is a 1980 3.0, with updated tensioners installed within the last couple of years. I couldn't find the o-ring on this site anywhere but in the expensive tensioner rebuild kit. The old ones are still on the tensioners. Does anyone know where I can find this o-ring other than in the tensioner rebuild kit, or can it be safely reused, considering it's not too old? Apologies if that's a silly question.
Old 08-29-2016, 11:43 PM
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Puny Bird
 
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Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
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Do you mean the through the cover O-ring for the hydraulic tensioner?

The O-ring won't show up in the catalog because the 1980 3.0 didn't come with them, it came with mechanical tensioners.

Part numbers are 999-701-690-40-M17 or 999-701-690-40-OEM
1985 Porsche 911 Carrera Coupe - Camshafts & Timing Chains - Page 3
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Last edited by Mark Henry; 08-30-2016 at 02:28 PM..
Old 08-30-2016, 05:01 AM
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Yes!

That's the one! Thanks for your help.
Old 08-30-2016, 05:38 PM
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