Tensioning lever hole threads stripped
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In the process of replacing some components AGAIN!, found that threaded hole where tensioner bolts mounts the tensioner is stripped, any ideas on how to remedy? That oil pump cover is a pain to remove on vehicle.
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I'd imagine the easiest thing is to create new threads with a tap next size bigger than current size. You might have to drill/expand the hole on the tensioner as well.
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It will be stronger than the original if not the larger hole someone recommended. Plus te regional bolt size in the tensioner will work well.
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I thought of the helicoil immediately but upon further investigation I noticed there was still about a 1/2 " of threads left in the hole. So I found longer bolt from my German xtras bolt box - probably from a BMW, chased the threads and sized the bolt appropriately, voila!. Hind sight tells me that something so important as a bolt for this purpose should utilize as many threads as possible - common steel to aluminum oil pump cover. Next one I do I will probably use longer bolt.
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I suspect the longer bolt will strip out as well. Should have helicoiled it. Downside of tensioner failure is bent valves on both heads or a broke piston, dead engine.
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