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This is why i was planning on buying the HR Tensioner the next time i'm due for a tensioner replacement. I can't find the thread but can anyone tell me why the HR tensioners were cracking after little use? Was it the material it was made out of? I remember seeing it somewhere...on this forum or another one i forget. Not saying they're bad tensioners i'm just wondering who had problems with them and why...
It wasn't the material. A few of them had faulty internal check valves. It wouldn't allow the oil out which would then cause pressure inside to build and when the piston would get rammed in, the pressure would get so high that the housing would crack. All of those issues were addressed and the valves were changed a bit to prevent that from happening again.
 
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