Date:         Tue, 3 Nov 2009 08:17:18 -0700
Reply-To:     John Bange <jbange@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John Bange <jbange@GMAIL.COM>
Subject:      Re: A few "new" Engine Questions: (Oil Change interval - Lifter
              noise)
In-Reply-To:  <c803c1a70911030550v74ef6e3dk2ac10df0a5072bec@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

> The second thing i wanted to ask is about lifter noise. I've heard a lot
> about it here over the years but have never experienced it (or at least I
> don't think I have) - well I think I am experiencing this now - can anyone
> explain the sound this would make?
>

CLACK CLACK CLACK CLACK CLACK CLACK CLACK CLACK CLACK CLACK!

Sounds very mechanical, like a metal part somewhere inside the engine being
lightly hammered... which technically is the case, I suppose. Very similar
to pre-detonation pinging, but completely regular, rather than chaotic. It
clacks exactly once every two crank revolutions.
As the lifter pumps up, it fades to a duller CLUP CLUP CLUP noise and then
gradually goes away--- if your lifters are OK.

--
John Bange
'90 Vanagon - "Lastwagen"
'90 Vanagon GL - "Wiesel"