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Tensioning lever hole threads stripped

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Old 01-26-2014, 07:33 AM
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Default Tensioning lever hole threads stripped

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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Old 01-26-2014, 10:49 AM
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Originally Posted by kcosh View Post
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.
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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Old 01-26-2014, 02:06 PM
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Originally Posted by kcosh View Post
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.
That's easy...helicoil.
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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Old 01-26-2014, 02:08 PM
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Originally Posted by tester123 View Post
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.
If u can do this you can helicoil it and don't have to mess with the tensioner.
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Old 01-26-2014, 06:21 PM
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Originally Posted by [email protected] View Post
If u can do this you can helicoil it and don't have to mess with the tensioner.
I must say, never used it. But will keep in mind for future .
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Old 01-28-2014, 02:36 AM
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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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Old 01-28-2014, 04:43 AM
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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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