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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 3:16 am Post subject: Type IV Oil Drain Plug |
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Hello! My drain bolt helicoil insert broke. I want to replace with a Time-Sert insert. Does anyone know the drain hole thread length. I'm guessing I should order the 12.7 mm length.
Also, do I need to go one size bigger? It currently uses a 14 mm bolt. The bolt hole did not strip. The helicoil failed.
Thanks! _________________ 1985 VANAGON GL Digijet
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lil-jinx Samba Member
Joined: August 14, 2013 Posts: 1547 Location: New Brunswick,Canada
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Tcash Samba Member

Joined: July 20, 2011 Posts: 12846 Location: San Jose, California, USA
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Posted: Wed Apr 08, 2015 5:51 am Post subject: Re: 2.0L Type IV Oil Drain Hole Thread Length |
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Manfreds78bay wrote: |
Hello! My drain bolt helicoil insert broke. I want to replace with a Time-Sert insert. Does anyone know the drain hole thread length. I'm guessing I should order the 12.7 mm length.
Also, do I need to go one size bigger? It currently uses a 14 mm bolt. The bolt hole did not strip. The helicoil failed.
Thanks! |
Which part are you referring to.
thanks to mayor ratwell
Good luck
Tcash |
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poptop tom Samba Member

Joined: July 27, 2004 Posts: 1607 Location: The Hoosier State
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Posted: Wed Apr 08, 2015 6:19 am Post subject: |
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I'm pretty sure he's talking about the completely separate oil drain bolt located on the case half opposite the cover plate.
Is it even on that diagram? _________________ '76 Deluxe Campmobile |
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aerosurfer Samba Member

Joined: March 25, 2012 Posts: 1603 Location: Indianapolis, IN
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Posted: Wed Apr 08, 2015 6:22 am Post subject: |
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Drain plug.... for all us 'Merican bus owners is what he referring too. And no, it is not depicted on the above schematic _________________ Rebuild your own FI Harness..My Harness
77 Westy 2.0L Rockin and Rolling Resto!
72 Sportsmobile (sold)
79 Tran$porter... Parts car money machine (gone) |
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 7:16 am Post subject: |
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I'm guessing it's #44 plugs into it. I'm referring to the whole in the case. Not the plug/bolt. _________________ 1985 VANAGON GL Digijet
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poptop tom Samba Member

Joined: July 27, 2004 Posts: 1607 Location: The Hoosier State
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Posted: Wed Apr 08, 2015 7:22 am Post subject: |
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Manfreds78bay wrote: |
I'm guessing it's #44. There is only one oil drain plug folks. While you can drain from the strainer cover, that's not what it's called. |
#44 looks like the oil pressure relief spring, bolt etc. _________________ '76 Deluxe Campmobile |
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 7:24 am Post subject: |
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poptop tom wrote: |
Manfreds78bay wrote: |
I'm guessing it's #44. There is only one oil drain plug folks. While you can drain from the strainer cover, that's not what it's called. |
#44 looks like the oil pressure relief spring, bolt etc. |
I'm talking about the hole in the case. I just need to figure out the length of the insert. _________________ 1985 VANAGON GL Digijet
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Amskeptic Samba Member

Joined: October 18, 2002 Posts: 8586 Location: All Across The Country
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Posted: Wed Apr 08, 2015 9:05 am Post subject: |
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lil-jinx wrote: |
Why not just get anorher cover plate for it? |
Because the Type 4 engine has a dedicated drain that has nothing to do with any cover plate. Way too many of these things are showing up all stripped out, what is with people?!? Just because some Jiffy Lube Horror Story crops up about a drain plug falling out, does not mean that they are prone to falling out. It means that someone didn't tighten the thing in the slightest.
17mm/19mm/6mm allen ... Drain plug 12 ft/lbs FINE
13mm ... Strainer Nut 9 ft/lbs FINE
10mm ... Taco Plate Bolts 5 ft/lbs FINE (really) _________________ www.itinerant-air-cooled.com
www.facebook.com/groups/324780910972038/ |
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 9:17 am Post subject: |
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Amskeptic wrote: |
lil-jinx wrote: |
Why not just get anorher cover plate for it? |
Because the Type 4 engine has a dedicated drain that has nothing to do with any cover plate. Way too many of these things are showing up all stripped out, what is with people?!? Just because some Jiffy Lube Horror Story crops up about a drain plug falling out, does not mean that they are prone to falling out. It means that someone didn't tighten the thing in the slightest.
17mm/19mm/6mm allen ... Drain plug 12 ft/lbs FINE
13mm ... Strainer Nut 9 ft/lbs FINE
10mm ... Taco Plate Bolts 5 ft/lbs FINE (really) |
Colin, oh wise one, I know you must know the answer to my quest for knowledge. Is 12.7mm the correct length for the insert and should I get 16mm kit or stay with the 14mm kit? Remember the helicoil broke. Any suggestions would be great. _________________ 1985 VANAGON GL Digijet
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aeromech Samba Member

Joined: January 24, 2006 Posts: 17610 Location: San Diego, California
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Posted: Wed Apr 08, 2015 9:28 am Post subject: |
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Why don't you stick something in the hole and measure it? _________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 9:32 am Post subject: |
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aeromech wrote: |
Why don't you stick something in the hole and measure it? |
I was hoping someone had done this and could chime in that has done this before. Because I doubt the inserts and the available sizes are going to match up perfectly. _________________ 1985 VANAGON GL Digijet
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aeromech Samba Member

Joined: January 24, 2006 Posts: 17610 Location: San Diego, California
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Posted: Wed Apr 08, 2015 9:35 am Post subject: |
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Try calling an engine builder like Headflow Masters or Suburban. _________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 9:44 am Post subject: |
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aeromech wrote: |
Try calling an engine builder like Headflow Masters or Suburban. |
Okay thanks. _________________ 1985 VANAGON GL Digijet
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raygreenwood Samba Member
Joined: November 24, 2008 Posts: 23067 Location: Oklahoma City
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Posted: Wed Apr 08, 2015 9:55 am Post subject: |
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Manfreds78bay wrote: |
aeromech wrote: |
Try calling an engine builder like Headflow Masters or Suburban. |
Okay thanks. |
Give me an hour or so. I have a case open on my workbench at home.
If you are going to use a TimeSert....or EZLock...which you should because Helicoils have no business anywhere on this engine or in aluminum that is less than T6 hardness in my experience......then you need to make sure that the installed depth is spot on (with a timesert)...because if not, the expansion flange at the end of the bore that locks the insert into the bore....will stand proud of the case....and not let all of your oil drain. It will not be much...but will leave a layer of oil about .050" deep in there.
Personally if I had to replace that thread I would lock a bolt in there and leave it alone until its time to rebuild and split the case. Then I would use an oversized EZlock that is bottomed into its bore, peened in with lock tight so its a thick wall insert and flush inside the case.
Ray |
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 10:13 am Post subject: |
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raygreenwood wrote: |
Manfreds78bay wrote: |
aeromech wrote: |
Try calling an engine builder like Headflow Masters or Suburban. |
Okay thanks. |
Give me an hour or so. I have a case open on my workbench at home.
If you are going to use a TimeSert....or EZLock...which you should because Helicoils have no business anywhere on this engine or in aluminum that is less than T6 hardness in my experience......then you need to make sure that the installed depth is spot on (with a timesert)...because if not, the expansion flange at the end of the bore that locks the insert into the bore....will stand proud of the case....and not let all of your oil drain. It will not be much...but will leave a layer of oil about .050" deep in there.
Personally if I had to replace that thread I would lock a bolt in there and leave it alone until its time to rebuild and split the case. Then I would use an oversized EZlock that is bottomed into its bore, peened in with lock tight so its a thick wall insert and flush inside the case.
Ray |
Thanks, Ray. That is good advice. But the engine was recently rebuilt and they neglected to look at the drain plug. So she is going to be this way for a few miles. I would appreciate any advice as to the best way to get the time-sert installed correctly and I think it would be good for the site as well.
Thanks! _________________ 1985 VANAGON GL Digijet
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 10:43 am Post subject: |
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The EZ-LOK look like an easier install. I might go that route. _________________ 1985 VANAGON GL Digijet
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raygreenwood Samba Member
Joined: November 24, 2008 Posts: 23067 Location: Oklahoma City
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Posted: Wed Apr 08, 2015 2:03 pm Post subject: |
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I measured the thread depth on one of my cases at .518". Ray |
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Manfreds78bay Samba Member

Joined: February 27, 2009 Posts: 807 Location: PNW
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Posted: Wed Apr 08, 2015 2:28 pm Post subject: |
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raygreenwood wrote: |
I measured the thread depth on one of my cases at .518". Ray |
Perfect. 12.7mm it is. _________________ 1985 VANAGON GL Digijet
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Tcash Samba Member

Joined: July 20, 2011 Posts: 12846 Location: San Jose, California, USA
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Posted: Wed Apr 08, 2015 2:59 pm Post subject: |
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