this oil pressure relief kit may solve the problem

https://www.vancafe.com/021115411-421AFT-p/021115411-421aft.htm

On Fri, Apr 5, 2019 at 11:28 AM thewestyman <zolo@foxinternet.net> wrote:

> Using 20/50 oil and Mann oil filter.
>
> *From:* Dan N
> *Sent:* Friday, April 05, 2019 9:50 AM
> *To:* thewestyman
> *Cc:* Vanagon Mailing List
> *Subject:* Re: 2000 rpm buzzer of oil pressure
>
> what oil grade and brand of oil filter do you use?
>