Oil leak....whats this??

KevinsKamper · Posted: Fri Nov 28, 2014 3:17 pm Post subject: Oil leak....whats this??

Hi, New Westfalia owner here and first time poster.....picked up a 1990 one owner van last week, searched for months and found a real nice example 15 min from my house!....anyway have been spending the past week going over the vehicle and getting familiar with it. I have a service manual on order but hasn't arrived yet so here goes my 1st question...What is the slotted disc in this picture?...it appears the motor has a oil leak coming from this part and was wondering what it is and if its a easy fix like a rubber O ring or gasket.....any info appreciated!....Kevin

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djkeev · Posted: Fri Nov 28, 2014 3:19 pm Post subject:

Oil pressure relief valve
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ftp2leta · Posted: Fri Nov 28, 2014 5:52 pm Post subject:

welcome.

Like stated it's the oil pressure relief valve.

Inside there is a spring so it's on tension. It's not a soft O-ring but a metal ring.

You will have to remove this one and if I remember right you will loose oil.

Dry it with brake cleaner, go buy a product called "The Right Stuff"

Put some on thread and let it dry for a day before putting oil back

It will NEVER leak again

Trust me

Ben
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IdahoDoug · Posted: Fri Nov 28, 2014 7:17 pm Post subject:

I would drive it for a while and be sure it is not something above leaking down before messing with it. You have a very clean looking engine. Perhaps the seller steam cleaned the engine before putting it up on the market. There is a large o ring on the oil cooler that is above that point, and that's also to the rear of several common leaks where airflow on the road would deposit it. Dry it off and above it, and drive for a bit before concluding that the lowest point on the engine is also the source of an oil leak.

DougM
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the joker · Samba Member Joined: October 12, 2006 Posts: 1287

make sure it's leaking from there, sometimes oil travels to and from weird places check around the top of the eng maybe coming from the dizzy o ring

KevinsKamper · Posted: Sat Nov 29, 2014 6:25 am Post subject:

Thanks guys!....I have cleaned the area and am confident its the source of the leak.....Ben, I have some Right stuff and will try your suggestion, now to get the plug out!....

AtlasShrugged · Posted: Sat Nov 29, 2014 8:14 am Post subject:

Could be the sealing ring on the oil pressure relief threaded plug...they really don't leak very often. If you are going to replace the sealing ring, install a new pressure relief spring too. Part number for the spring 021.115.421B..$5.50 and the sealing ring N.013.829.3 $1.78 from Van Cafe. Your old spring is probably original. There is a spec for the length of the spring..the springs are always partially collapsed after a couple of decades. Cheap enough parts and may help with oil pressure issues in the future.

A more probable suspect for your oil leak is the oil pressure warning switch just above the oil pressure relief plug and the oil cooler gasket. There is a blind plug inserted into the engine case up there too. Those blind case plugs will leak. Clean the plug area with brake clean and use JB Weld over the plug if that is your problem. The blind plug is concealed by the rear engine support and is just below the threaded boss in the engine case.

Here is a picture of your oil leak area..the blind plug, the oil pressure switch and oil cooler gasket area.

KevinsKamper · Posted: Sat Nov 29, 2014 8:46 am Post subject:

thanks Atlas, I will check out that area....good info..Kevin

61Scout · Posted: Sat Nov 29, 2014 10:15 am Post subject:

Drag link socket works well for install/removal.

-Kevin
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Wildthings · Samba Member Joined: March 13, 2005 Posts: 52379

I would just try and tighten what you have before going on a buying spree. I just have a large diameter hardened washer I ground down the fit the slot and use a pair of vicegrips to turn it. Crude but effective.

Looks like someone may have tried to tighten yours with a punch.

Welding or brazing a nut to the plug is another solution. I don't think you need to drain the oil from the engine when removing the plug, others may know better.

KevinsKamper · Posted: Sat Nov 29, 2014 11:03 am Post subject:

I will try the drag link socket idea....my local sears didn't have one in stock so I ordered one on line.....for what its worth I tried to see if it was loose and couldn't get it to move with a screwdriver. Kevin

the joker · Samba Member Joined: October 12, 2006 Posts: 1287

where in mass are you?

mark your calender for transporterfest Oct 2015 brookline

check or replace your fuel lines Cool

buy two new fire extiqusters VW Logo

welcome to the madness

KevinsKamper · Posted: Sat Nov 29, 2014 6:24 pm Post subject:

Thanks Joker...I'm down near Attleboro/ Rhode Island line....will mark my calendar.....got new fuel lines and coolant hoses on order...its in very good shape but needs updating 25 yr old components......Kevin

Tobias Duncan · Posted: Tue Sep 22, 2015 4:58 pm Post subject:

I have an oil leak that looks just like this one.
Mine was not tight at all when I put a screwdriver to it.
Do you need to drain the oil for this?
How did the OPs come out?
So many questions...

AtlasShrugged · Posted: Tue Sep 22, 2015 5:55 pm Post subject:

Tobias Duncan · Posted: Tue Sep 22, 2015 6:09 pm Post subject:

Thanks Atlas , it was not so much loose as just barely snug. I was sure it was leaking but I cranked it down then cleaned the area with brake cleaner and took it around the block.

Crawled under and it was bone dry. However you can see nice little droplet forming nearby....
Any idea where that one might be coming from?
The aforementioned oil pressure sensor?

AtlasShrugged · Posted: Wed Sep 23, 2015 7:11 am Post subject:

Very well could be the oil pressure switch..look at the switch from up top with a flashlight..when they leak they are wet with oil.

borninabus · Posted: Wed Sep 23, 2015 9:09 am Post subject:

the drip is on the oil pump cover.
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Tobias Duncan · Posted: Wed Sep 23, 2015 7:49 pm Post subject:

Tobias Duncan · Posted: Wed Sep 23, 2015 7:50 pm Post subject:


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