Date: Fri, 26 Jan 2007 22:07:37 +0000
Reply-To: dhaynes@OPTONLINE.NET
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dennis Haynes <dhaynes@OPTONLINE.NET>
Subject: Re: Puking Oil from Oil Cooler
In-Reply-To: <7.0.1.0.0.20070126163840.01a589e0@umassd.edu>
Content-Type: text/plain; charset=us-ascii
You need to replace the o-ring between the oil cooler and the engine case. The oil may be a bit thick for the temperature, especially if you did not allow time for the oil to warm up, (recent discussion). Yes, in very cold weather, you need to drive slowly until the oil thins a bit. Most likely, the oil cooler nut loosened and/or the o-ring got hard from heat and age and the excess pressure caused it to fail. The Fram filter was not the cause.
Note that the Castro Syntec is not a "true" synthetic so it does not have the quite the same cold weather benefits as say Mobil 1. I would recommend the Mobil 1 Ow-40, European formulae for temps regularly below freezing. The 10w-30 will work for starting but may be a problem for extended high speed travel.
Dennis
----- Original Message -----
From: Richard Golen
Date: Friday, January 26, 2007 4:55 pm
Subject: Puking Oil from Oil Cooler
To: vanagon@GERRY.VANAGON.COM
> Hi,
>
>
> Today, the temp here on the seacoast of SE Massachusetts has
> been in
> the teens, actually this am it was zero!
>
> I went to take my 87 Westy out for a little drive this
> afternoon, and
> as I pulled out of the parking spot, I noticed a large puddle of oil
> where the van was parked. I crawled under the engine and noticed that
> the oil was coming out of from between the oil cooler and the
> engine block.
>
> Last night, when it was 25 degrees out, I drove the van and it didn't
> puke oil. I'm assuming its because of the frigid temperatures.
>
> I'm not sure what the exact problem is, but here's a potential list:
>
> 1. Oil too thick - it currently has 10w-50 Castrol synthetic in it
>
> 2. O ring between the block and the oil cooler has become "stiff"
> from the cold and not sealing properly
>
> 3. It has a Fram filter...somewhere I recall a post a number of years
> ago about VW and Mann filters having a pressure release spring inside
> to aid in cold starting...
>
> 4. The problem is all of the above.
>
> Does anyone recall the discussion about non-VW filters and pressure
> relief springs??
>
> I'm tossing the idea of dumping the 10-50 and putting in 10-30
> for now....
>
> Any suggestions, comments, etc?
>
>
> Thanks.
>
>
> Ric
>
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