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Old 07-28-2014, 04:30 PM   #1
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Chain tensioners - cardinal error

Opps, I made the cardinal error of not bagging every single part while working on the IMS bearing. I thought the chain tensioners were both the same. They are not. One of these goes on the top of the engine 2002 Boxster S 3.2L and the other goes on the bottom.

Can someone tell me which is which?

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Old 07-28-2014, 06:12 PM   #2
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By the way, there are 3 tensioners, not two. Each tensioner is clearly marked by the rings which are clearly visible at the end of the tensioners in you second photo. Get a manual and you can find which tensioner goes where.
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Old 07-28-2014, 06:12 PM   #3
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It's odd that there is no ID for these, have you searched the 'install' videos?. Good luck.
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Old 07-28-2014, 07:04 PM   #4
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There are corresponding rings on the engine to designate which goes where.Just match the number of rings.You may have to clean up the engine a little near the hole for the tensioner.Be careful not to get any dirt in the hole.
Here is a helpful diagram:
http://www.pelicanparts.com/techarticles/Boxster_Tech/16-ENGINE-Camshaft_Swap_and_Chain_Tensioner/Gp1800.pdf
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Old 07-28-2014, 07:57 PM   #5
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Take a look at this thread - each one appears to be marked as to location.

Cam Pre-Tensioners for Timing
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Old 07-29-2014, 07:42 AM   #6
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Each of the 3 tensioners is marked with zero,1,or 2 rings & the proper location has a corresponding 1, 2, or no ring on the engine case. The tensioner with no ring goes on top for the 4-6 cylinder head, the tensioner with no ring goes on the bottom.

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