Quote:
Originally Posted by F30ed
Interesting that there are 2 versions of the tensioner. The one shown in ISTA print - old version. It is shorter and has weaker spring inside (it is spring loaded as someone said above). Newer version is a bit longer piston move and spring is stronger too. Slightly longer reach and slightly stronger spring may make a difference for the chain slack at engine start and thus consequent parasitic forces and vibrations. Replacing tensioner might be a cheap and fast change to prevent expensive engine damage.
(As always, just a theory)
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Hello nice find!
Do you know the part number of the new one and tightening torque for it?