Whichever one it was, never had an issue with it. 

Sent from my iPhone

> On Oct 25, 2020, at 11:28 PM, OK Don via Mercedes <mercedes@okiebenz.com> 
> wrote:
> 
> One of the 300D 2.5T's you got from me had the epoxy fix for that exact
> bolt - I don't remember which one.
> 
>> On Sun, Oct 25, 2020 at 11:25 PM OK Don <okd...@gmail.com> wrote:
>> 
>> It depends on how long you expect him to keep the car. If it will be
>> replaced in a year or two, use the thread fixing epoxy, if longer, do it
>> right with a helicoil.
>> 
>> On Sun, Oct 25, 2020 at 6:02 PM Kaleb Striplin via Mercedes <
>> mercedes@okiebenz.com> wrote:
>> 
>>> My biggest concern with that is getting the hole drilled straight.
>>> Probably would need to remove the radiator to have more room to work.
>>> 
>>> On 10/25/2020 5:48 PM, OK Don via Mercedes wrote:
>>>> Having done all of the above, I would helicoil it.
>>>> 
>>>> On Sun, Oct 25, 2020 at 5:43 PM Kaleb Striplin via Mercedes <
>>>> mercedes@okiebenz.com> wrote:
>>>> 
>>>>> I do not think I am going to helicoil it.  I see the potential to make
>>>>> it much worse.  I see several folks on the forums mentioning they just
>>>>> coated the threads with JB Weld and it has been fine. I also have seen
>>>>> this Locktite thread repair and thought about trying it.  Basically you
>>>>> coat the bolt with a release agent, then mix the 2 part epoxy.  Coat
>>> the
>>>>> bolt with it then run the bolt in the hole for 5 minutes.  After 5
>>>>> minutes, remove the bolt and then let the epoxy set for 30 minutes
>>>>> before then screwing the bolt in.  Supposedly it it forms new threads
>>>>> using the bolt as the pattern.
>>>>> 
>>>>> 
>>>>> 
>>> https://www.amazon.com/Loctite-442-28654-4-80ml-Thread-Stripped/dp/B000WSEUII
>>>>> 
>>>>> 
>>>>> On 10/25/2020 5:38 PM, OK Don via Mercedes wrote:
>>>>>> My next concern would be cleaning up the shavings after tapping and
>>>>>> installing the helicoil. I have first hand experience with this from
>>>>>> helicoiling a head hold down stud in a VW case once - despite out best
>>>>>> efforts at containing and then removing the chips, the engine seized
>>> in
>>>>>> about a mile or two. Tear-down revealed lots of aluminum shavings in
>>> the
>>>>>> crank bearings.
>>>>>> I read a tip on an airplane forum the other day where he
>>>>>> recommended filling the area with shaving cream before drilling,
>>> tapping,
>>>>>> and breaking off the tang of the helicoil, then vacuuming it out
>>>>>> afterwards. He claimed that you get all the chips out and that the
>>>>> shaving
>>>>>> cream (soap) doesn't hurt anything. I've never tried this, YMMV.
>>>>>> 
>>>>>> It's a metric thread, use a pair of calipers and measure the diameter
>>> ---
>>>>>> If you don't have a pair of calipers, I can recommend this set (the HF
>>>>> ones
>>>>>> died early and were not repeatable)
>>>>>> 
>>>>> 
>>> https://www.amazon.com/gp/product/B001AQEZ2W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
>>>>>> I like them so much that I bought two, one for each side of the
>>> hangar so
>>>>>> I'm running back and forth all the time looking for them.
>>>>>> 
>>>>>> On Sun, Oct 25, 2020 at 4:04 PM Kaleb Striplin via Mercedes <
>>>>>> mercedes@okiebenz.com> wrote:
>>>>>> 
>>>>>>> Any idea what size helicoil it would be?
>>>>>>> 
>>>>>>> On 10/25/2020 4:01 PM, G Mann via Mercedes wrote:
>>>>>>>> Time for a Helicoil thread repair kit.
>>>>>>>> That mounting is a high stress area, with a repeated high failure
>>>>> rate..
>>>>>>> It
>>>>>>>> needs full thread contact and regular inspection of the bolt for
>>>>> working
>>>>>>>> loose.
>>>>>>>> 
>>>>>>>> Spend the money and time to repair the thread, It should last for a
>>>>> good
>>>>>>>> while... Don't repair it, just kluge it with JB or something, and
>>> when
>>>>> it
>>>>>>>> lets go and the pulley/ belt/ fan eats whatever is handy at highway
>>>>>>>> speed... you get to buy lots of new parts and labor...
>>>>>>>> 
>>>>>>>> Your call... Helicoil repair kit would be mine..
>>>>>>>> 
>>>>>>>> On Sun, Oct 25, 2020 at 1:52 PM Kaleb Striplin via Mercedes <
>>>>>>>> mercedes@okiebenz.com> wrote:
>>>>>>>> 
>>>>>>>>> Working on my fathers 98 e300 doing routine maintenance. Noticed
>>> the
>>>>>>> belt
>>>>>>>>> tensioner was cockeyed. Typical. On this car the tensioner was
>>> loose
>>>>>>> with
>>>>>>>>> the PO and he I believe used some lock tight and tightened it back
>>>>> down.
>>>>>>>>> The threads were somewhat stripped out. I was aware at some point
>>> it
>>>>>>> could
>>>>>>>>> become an issue. When I removed the bolt it was tight, not loose so
>>>>> I’m
>>>>>>>>> sure the tensioner is just worn out. When I go to replace it I
>>> don’t
>>>>>>> think
>>>>>>>>> I’m going to be able to crank down on it like normal.  It appears
>>> the
>>>>>>> first
>>>>>>>>> half of the threads are stripped so it’s just grabbing with the
>>> back
>>>>>>> half.
>>>>>>>>> Think I should clean it up real good and used either red or blue
>>>>>>> locktite?
>>>>>>>>> What about JB welding it? What about running a tap down the hole to
>>>>>>> clean
>>>>>>>>> it up? Anybody know what size it would be or if that would even
>>> work?
>>>>>>> See
>>>>>>>>> photos and video below.
>>>>>>>>> 
>>>>>>>>> https://youtu.be/cWiG0ihny0M
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> Sent from my iPhone
>>>>>>>>> _______________________________________
>>>>>>>>> http://www.okiebenz.com
>>>>>>>>> 
>>>>>>>>> To search list archives http://www.okiebenz.com/archive/
>>>>>>>>> 
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>>>>>>>>> 
>>>>>>>>> 
>>>>>>>> _______________________________________
>>>>>>>> http://www.okiebenz.com
>>>>>>>> 
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>>>>>>>> 
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>>>>>>>> 
>>>>>>> _______________________________________
>>>>>>> http://www.okiebenz.com
>>>>>>> 
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>>>>>>> 
>>>>>>> 
>>>>> _______________________________________
>>>>> http://www.okiebenz.com
>>>>> 
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>>>>> 
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>>>>> 
>>>>> 
>>> 
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>>> 
>> 
>> --
>> OK Don
>> 
>> "Whenever you find yourself on the side of the majority, it is time to
>> pause and reflect." Mark Twain
>> 
>> “Basic research is what I’m doing when I don’t know what I am doing.”  
>> Wernher
>> Von Braun
>> 2013 F150, 18 mpg
>> 2017 Subaru Legacy, 30 mpg
>> 1957 C182A, 12 mpg - but at 150 mph!
>> 
> 
> 
> -- 
> OK Don
> 
> "Whenever you find yourself on the side of the majority, it is time to
> pause and reflect." Mark Twain
> 
> “Basic research is what I’m doing when I don’t know what I am doing.”  Wernher
> Von Braun
> 2013 F150, 18 mpg
> 2017 Subaru Legacy, 30 mpg
> 1957 C182A, 12 mpg - but at 150 mph!
> _______________________________________
> http://www.okiebenz.com
> 
> To search list archives http://www.okiebenz.com/archive/
> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 


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