At 01:28 PM 5/29/2011, Rocket J Squirrel wrote:

>My FLAPS have a replacement oil pressure switch. It is a BWD S4026.
>Website says compatible with: "Vanagon Campmobile, H4 - 1.9L vin B
>1915cc type DH - MFI GAS OHV"
>
>I can't find any more information about this part.

How much more information would you like?  1.9l type DH engine,
that's you.  Multipoint fuel injected overhead valve gasoline to
boot.  They're not likely to tell you it's a .3 bar switch.

>I'm going to assume it fits. The threads look the same. If it doesn't
>work I'm no worse off than I am now unless it needs more than 0.3 bar to
>shut off the oil pressure lamp, then I'll be confused.

As everyone knows, sometimes FLAPS listings are in error; but I think
you're being paranoid here.

>I believe it was the forward inner tin-holding fastener. Goes on the
>exhast manifold flange. It's a skirted nut that takes a 12mm wrench. Not
>much clearance there, I don't know if a 13mm head would fit.

Ah so.  No doubt it was 13mm when it was put on, but exhaust nuts
tend to shrink over time.  Mine look like little models of Mt. Fuji.

>Well, here is my simple 9-step troubleshooting process.

I wasn't implying the switch was good, merely that the verdigris on
the terminal may not prevent you re-using it with the new switch.  Of
course a new terminal and a working boot would be better.

Yrs,
d