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Subject:Re: oil pressure diagnosis.
From:Allan Streib
Date:Mon, 19 Oct 2009 19:31:19 -0400

Bill MacLachlan <billmacla@GMAIL.COM> writes:

> (1) oil weight  too thin- should be 20/50 not 10/40

10/40 is not *so* thin, should be fine for an I4 except in the hottest
conditions.  I don't think this is your cause of low idle pressure.

> (2) is this a symptom of worn main bearings too? It wouldn't surprise
> me.

Could be, though the worn oil pump hypothesis is plausible also.

Allan
--
1991 Vanagon GL