<VV> Oil leak diagnosis - cooler adapter?

[kcvair at netscape.com]

Similar problem with my '69 several years ago was cracked rear housing.  How did I discover it after looking for a long period of time?  Thanks to LC I cleaned area real well and used a drinking straw filled with flour and blew it onto the area.  Let car run for a period of time and any small amount of oil will show up in short order.  Only fix was to replace the housing.  Ken Clark

--- hmlinc at sbcglobal.net wrote:

From: "J R Read_HML" <hmlinc at sbcglobal.net>
To: "Doug Mackintosh" <dougmackintosh at yahoo.com>,	"Virtual Vairs" <virtualvairs at corvair.org>
Cc:
Subject: Re: <VV> Oil leak diagnosis - cooler adapter?
Date: Sun, 17 Sep 2006 21:42:01 -0500

If you don't see oiled down the side of the oil filter and you are sure the 
cooler seals are not leaking...  then....  Likely a rear housing leak... 
Gasket?  Oil pump cover?  Oil pressure regulator?  A crack?  Other?

Spray the area down with brake clean and then watch.

You call it the "nut catcher?"  I call it the hell hole.

Later, JR


----- Original Message ----- 
From: "Doug Mackintosh" <dougmackintosh at yahoo.com>
To: "Virtual Vairs" <virtualvairs at corvair.org>
Sent: Sunday, September 17, 2006 9:27 PM
Subject: <VV> Oil leak diagnosis - cooler adapter?


> I've been chasing an oil leak on my daughter's Spyder. Park it and it 
> drips from the bottom of the nut catcher and LH lower shroud. Fairly fast 
> "nuisance" leak, probably a few drops an hour.
>
>  There are no puddles inside the shroud. I see oil forming in the crack 
> between the left hand side of the nutcatcher and the LH lower shroud. Once 
> it collects enough oil, it disappears and reappears as a drop on the 
> bottom of the nutcatcher or shroud.
>
>  It was still dripping (formed about 3-4 drops while I was replacing the 
> LH thermostat) today even though it had not been started since yesterday.
>
>  A few weeks ago I replaced the oil cooler seals since that was the only 
> thing I thought of that would leak in the observed location. The only 
> other thing that makes sense is the oil cooler adapter gasket.
>
>  Does anyone have some other ideas or something I haven't tried to isolate 
> the source?
>
>  Thanks!
>
>
> -- Doug Mackintosh
>  Corsa member since 1996
>  Corsa/NC member since 1996,  Virtual Vairs member
>  Corvair owner 1969-1971 and 1996-on
>
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