Hi Bulley,
    Ok GM which vanagon owners manual do you have that is suggesting 10w40
as acceptable oil for a vanagon? It is not in any of my water cooled
operators manuals. The bentley bible oil chart on c17, v8 doesn't list it
either.  Few if any car manufactures recommend 10w40 as acceptable motor oil
for the last 10 -15 years. I agree with your 20-50 but switch to 10w30 or
5w30 in winter.
Darrell

----- Original Message -----
From: Bulley <gmbulley@BULLEY-HEWLETT.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, April 26, 1999 10:52 AM
Subject: Re: Oil Light on at idle only when hot

> Depending on where you are (temperature outdoors), 10w30 is too thin.
>
> Check your owner's manual, there is a little graph to guide your oil
> choice. Consider using 20w50 spring-fall in the lower 48, and 10w40
> winters, and year round North of the 48th parallel. You might want to
> consider sticking with the Mann filters, too.
>
> G. Matthew Bulley
> Bulley-Hewlett & Associates
> www.bulley-hewlett.com
> Cary, NC USA
> 888.468.4880 tollfree
>
>
> -----Original Message-----
> From:   Leif [SMTP:lpaulsen@CMCFLEX.COM]
> Sent:   Monday, April 26, 1999 1:38 PM
> To:     vanagon@GERRY.VANAGON.COM
> Subject:        Re: Oil Light on at idle only when hot
>
> > I'd be curious to know what brand of oil filter and weigh of oil you are
> > running.
>
>
> oil is FredMeyer 10W30, filter is Fram regular.  I have bought the Mann
> filters from Ron but haven't installed them, as I am just finishing the
> heads.
>
>
> Leif Paulsen
> '86 Syncro "4BY-THOR"
>