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Hey everybody I am finally getting around to replacing my timing chain tensioners on my 04 Altima 3.5 SE. My car has the infamous clicking noise when warming up and the whining noise under acceleration. :(

I now know how to replace the main tensioner but the camshaft tensioner shoes are pretty confusing and no one seems to have documented the swap all too well. The only what I saw it done was to replace the entire tensioning units for the cam shafts by removing the heads to get to a couple of Allen bolts. I have read that you can just replace the shoes for these tensioners but there is little to no documentation on how to remove the old shoes or compress the actuator for the tensioner.

Here's one of the tensioners with the worn and new shoes:


If anyone has any info, I would greatly appreciate it!
 

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You don't have to remove the heads, just the valve covers and the end cap. Under the end cap is where the screws are. If I remember right, they are 4mm.

The shoes on the tensioners snap into place but I recall someone saying they're not so easy to remove or install without damaging the shoe itself.
 
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