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Who.Me? 
Samba Member
Joined: July 14, 2014
Posts: 2206
Location: UK (South)
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 Posted: Sat Dec 12, 2020 6:54 am Post subject: Oil pressure relief valve questions |
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Two questions..
Can the rearmost oil pressure relief valve cover plug be removed without draining the oil?
Is it OK to use sealant on that plug? The previous builder had used blue sealant. The manual says not to use sealant, so I just used a new crush washer when I rebuilt the engine. It weeps. Tightening it hasn't helped.
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Andy
Looking for info on my truck's history. Are you from Campbell California or nearby. Do you recognise it? ... http://www.thesamba.com/vw/forum/viewtopic.php?t=636786 |
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Dale M.
Samba Member
Joined: April 12, 2006
Posts: 20378
Location: Just a tiny bit west of Yosemite Valley
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| Posted: Sat Dec 12, 2020 8:19 am Post subject: Re: Oil pressure relief valve questions |
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Yes you can remove the plug without losing/draining oil...
Sealant should not be needed as there is a "compression" (crush) gasket between the "plug" and case...
Dale
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“Fear The Government That Wants To Take Your Guns" - Thomas Jefferson.
"Kellison Sand Piper Roadster" For Street & Show.
"Joe Pody Sandrover" Buggy with 2180 for Autocross (Sold)
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All suggestions and advice are purely my own opinion. You are free to ignore them if you wish ...
Last edited by Dale M. on Sat Dec 12, 2020 8:20 am; edited 1 time in total |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 31361
Location: Hot Arizona
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| Posted: Sat Dec 12, 2020 8:19 am Post subject: Re: Oil pressure relief valve questions |
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| Who.Me? wrote: |
| Can the rearmost oil pressure relief valve cover plug be removed without draining the oil? |
A little oil will seep out, not bad.
| Who.Me? wrote: |
| Is it OK to use sealant on that plug? The previous builder had used blue sealant. The manual says not to use sealant, so I just used a new crush washer when I rebuilt the engine. It weeps. Tightening it hasn't helped. |
A new crush washer "should" be enough to prevent leakage there. But I cannot say that a little RTV there wouldn't help sometimes.
Are you using the dummm, stooopid stock slotted plug or an aftermarket hex plug or allen-head plug???
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1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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Who.Me?
Samba Member
Joined: July 14, 2014
Posts: 2206
Location: UK (South)
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| Posted: Sat Dec 12, 2020 10:55 am Post subject: Re: Oil pressure relief valve questions |
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Thanks both.
I've been using the original one with the slot that's too big to get a screwdriver in, so you can't easily tighten it. I didn't know that anyone made a replacement. I'll have a look. Any recommendations?
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Andy
Looking for info on my truck's history. Are you from Campbell California or nearby. Do you recognise it? ... http://www.thesamba.com/vw/forum/viewtopic.php?t=636786 |
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Dale M.
Samba Member
Joined: April 12, 2006
Posts: 20378
Location: Just a tiny bit west of Yosemite Valley
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| Posted: Sat Dec 12, 2020 11:05 am Post subject: Re: Oil pressure relief valve questions |
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| Who.Me? wrote: |
Thanks both.
I've been using the original one with the slot that's too big to get a screwdriver in, so you can't easily tighten it. I didn't know that anyone made a replacement. I'll have a look. Any recommendations? |
They make one with hex socket ...
I just brazed a hex nut onto mine.....
Sources....
http://vwparts.aircooled.net/Allen-Relief-Spring-Plug-Each-113-115-431-p/113-115-431.htm
http://vwparts.aircooled.net/Relief-Spring-Plug-GASKET-Each-18-X-22mm-N138174-p/n138174.htm
Dale
_________________
“Fear The Government That Wants To Take Your Guns" - Thomas Jefferson.
"Kellison Sand Piper Roadster" For Street & Show.
"Joe Pody Sandrover" Buggy with 2180 for Autocross (Sold)
============================================================
All suggestions and advice are purely my own opinion. You are free to ignore them if you wish ... |
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74 Thing
Samba Member
Joined: September 02, 2004
Posts: 7390
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| Posted: Sat Dec 12, 2020 11:47 am Post subject: Re: Oil pressure relief valve questions |
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| For the stock slotted screws that are somewhat stripped you can purchase a socket that has the wider fitting to remove (I don't remember the name offhand you will have to search for it), or you can take a long screwdriver and angle it to one of the edges of the screw and tap it with a hammer until it loosens up. |
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Who.Me?
Samba Member
Joined: July 14, 2014
Posts: 2206
Location: UK (South)
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| Posted: Sat Dec 12, 2020 11:51 am Post subject: Re: Oil pressure relief valve questions |
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Thanks. Found them for sale over here as 'type 3' plugs, but they say they fit type 1 engines too.
Cheers
Andy
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Andy
Looking for info on my truck's history. Are you from Campbell California or nearby. Do you recognise it? ... http://www.thesamba.com/vw/forum/viewtopic.php?t=636786 |
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UK Luke 72
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Joined: September 07, 2011
Posts: 2867
Location: Little Britain
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GARRICK.CLARK
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Joined: June 30, 2012
Posts: 1267
Location: Lancashire UK
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| Posted: Sat Dec 12, 2020 12:56 pm Post subject: Re: Oil pressure relief valve questions |
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| I've had to have the seating surface of the case were the metal O ring compresses against spot faced on the last couple of rebuilds due to corrosion. |
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