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| Stripped female thread on drivetrain oil dipstick https://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=13948 |
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| Author: | ckmisiu [ Sun Apr 26, 2015 10:04 pm ] |
| Post subject: | Stripped female thread on drivetrain oil dipstick |
Hi guys, I managed to strip the female thread of the bearing cover for the drivetrain oil dipstick today while prepping the boat for the season. I looked online and the replacement part is ~300$... I still don't understand why the female thread is aluminum vs. the stainless steel dipstick, sounds backwards to me. My boat is a 2005 200 horizon with a volvo penta 5.0 V8 gxi. The replacement part is #19 bearing cover part#: 3854401 Anyway, anybody have any luck with using a helicoil? If so what size? Any recommendations as to how to proceed? I'll be reaching out to my marina mechanic tomorrow to see what he says. Thanks |
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| Author: | LouC [ Mon Apr 27, 2015 5:57 am ] |
| Post subject: | Re: Stripped female thread on drivetrain oil dipstick |
I'd go and post this on the Volvo I/O forum over at the iboats forums, I bet someone has done this before.... I have heard of this happening on some of these, maybe the grade of aluminum they used was too soft or they should have installed a helicoil or similar in the first place. I know that on my OMC Cobra, there are inserts installed in various areas to keep that from happening. |
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| Author: | skidaddytn [ Mon Apr 27, 2015 8:04 am ] |
| Post subject: | Re: Stripped female thread on drivetrain oil dipstick |
been there, done that. Helicoil works as good OR better as having a new top cover. Also makes it harder to strip it again. I took my cover off and took it to a shop, they put the helicoil in there for me for 20 bucks. Its probably not hard to do this yourself, but I did not want to buy an entire kit and tools. Keep in mind, the dipstick only goes in at VERY LOW torque (hindsight 20/20 right?) It is measured in inch/lbs. I can't remember the torque 10 in/lbs maybe? Be careful not to lose the shims when you take the top cover off-- not necessarily easy to lose, but if you will be taking it to a shop, keep track of them and make sure they all get put back... also when you bolt top cover back on, use even pressure on all bolts applied a little at a time similar to how you put lug nuts back on... If you go the other route and buy a NEW top cover... keep in mind it will probably need to be re-shimmed. The shims were measured for your existing top cover and there are slight differences from cover to cover. |
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| Author: | ckmisiu [ Thu Apr 30, 2015 5:25 pm ] |
| Post subject: | Re: Stripped female thread on drivetrain oil dipstick |
I ended up bringing it in to my marina mechanic. He put a helicoil in there for 30$ and it is good to go. Thanks for all the help! |
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