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peet500
Samba Member
Joined: December 13, 2010
Posts: 1
Location: germany near cologne
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 Posted: Wed Jun 11, 2014 6:01 pm Post subject: Need Help, please see the pic -my engl.is maybe not the best |
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I am coming from germany being now in Alaska and wanted to change the sparkplugs on my T2 Bus, than I found on the second cylinder the following cuver over the sparkplug, it is not a heliocoil and it comes out with my sparkpl. so if I want to change I need this part, because I can not split the sparkpl. from this.- so can someone tell me where I can buy it and how I call it
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52736
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Wed Jun 11, 2014 6:08 pm Post subject: |
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Welcome, there's a few different names for those and each one is slightly different, the common one is called a Timesert. There may be differences on the thread pitch between brands as well so compare carefully before attempting any installation. You may get those off by heating them with a torch but you'll still have to be careful with the threads.
If you have 2 or more already and 2 came out you may want to consider removing the heads and having the holes welded up for retapping to the correct size.
That normal plug needs regapping before installation and if it was dropped you'll want to get a new one.
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 52290
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| Posted: Wed Jun 11, 2014 6:55 pm Post subject: |
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Wrap some boot leather around the threads and grab them with a pair of vise grips, channel locks, or a small pipe wrench. If you apply some JB Weld to the insert before screwing it back into the head it may stay in place next time.
You might even be able to put some JB Weld on the threads as is and then screw the plug back in. Run the engine briefly to warm the heads a bit once an hour or so and then after 4-6 hours see if the plug will screw out leaving the insert behind. |
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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12846
Location: San Jose, California, USA
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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12846
Location: San Jose, California, USA
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| Posted: Thu Jun 15, 2017 7:25 pm Post subject: Re: Heli-Coil Spark Plug Thread Repair, Save A Thread |
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url=https://www.thesamba.com/vw/forum/viewtopic.php?p=7239382#7239382]Heli-Coil Spark Plug Thread Repair, Save A Thread[/url]
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jtauxe 
Samba Member
Joined: September 30, 2004
Posts: 5967
Location: Los Alamos, New Mexico, USA
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| Posted: Fri Jun 16, 2017 7:28 am Post subject: |
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| busdaddy wrote: |
| You may get those off by heating them with a torch but you'll still have to be careful with the threads. |
Not in this case -- the damage is done. You can see how the threads on the right have already been attacked with pliers or something, so those are no longer salvagable. That plug should go back in.
Best he can do (besides welding and retapping) is to find a new matching insert and use that.
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 52290
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| Posted: Fri Jun 16, 2017 8:42 am Post subject: |
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| jtauxe wrote: |
| busdaddy wrote: |
| You may get those off by heating them with a torch but you'll still have to be careful with the threads. |
Not in this case -- the damage is done. You can see how the threads on the right have already been attacked with pliers or something, so those are no longer salvagable. That plug should go back in.
Best he can do (besides welding and retapping) is to find a new matching insert and use that. |
Pretty sure the one on the right isn't damaged but was made that way.  |
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Angus II
Samba Member
Joined: June 01, 2016
Posts: 719
Location: Mammoth Lakes Ca. 93546
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| Posted: Fri Jun 16, 2017 10:27 am Post subject: Re: Need Help, please see the pic -my engl.is maybe not the best |
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Hello, peet500. And welcome to the madness...
Your best bet would be to go with the "Time-Sert" tread repair system. For, it flares the insert for a better bond/hold (less likely to pull out when changing plugs. As yours did). It is by far the better choice for thread repair.
Aircooled.net has them and the tool to rent. They have the standard sized Time-Sert and/or the "Big Time-Sert" for previous repaired holes...
Give Aircooled.net a call. You will be looking at PN #5141S tool and #51407 insert for the big/oversized repair kit.. For the standard repair PN# 4412 for tool and either PN# 44111 for 3/4" long plug or 44127 1/2" long plug treads.. The standard will most likely work for you, Your plugs and inserts came out when removing the plugs, not blow out from messed up/stripped out spark plug hole treads.
That ever repair kit you use, Make sure that you use an insert with a collar on it (like the middle picture). You don't want to drop an insert into the cylinder. Then, it is pull the engine time.....
Good Luck with the repair and happy adventures.. If you make it too Yosemite NP in California, look me up. I'm on the east side.... |
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