Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: valve lash adjustment
From:Max Wellhouse
Date:Wed, 29 Aug 2001 05:34:09 -0500

I always considered  zero clearance to be the point at which I could not
rotate the pushrod with my fingers.  Did I get that from this list, or did
John Muir's spirit send that along in a dream the other night?

DM&FS
----- Original Message -----
From: "Vanagon Man" <puzerewski@MSN.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, August 28, 2001 6:15 PM
Subject: Re: valve lash adjustment

> > As I adjusted the valves for each cylinder a second time I could feel a
> > difference in the lifter action as I made the final 1/4 turn of each
adj.
> > screw.  Some of the lifters felt very firm, others felt spongy.  What
does
> > this mean?
>
> Did you watch what was hapenning as you do the final 1/4 turn?  If you
watch
> the rocker (most likely) the firm valves the rocker was pushing toward the
> valve stem. (this is what is supposed to happen) on the spongy ones, the
> rocker probably was going towards the push rod, thus meaning the lifter
was
> not fully pumped.  I use a tiny little screwdriver to "feel exactly where
> the adjustment screw is hitting the valve stem, then go the 1/4 turn....if
> it turns firm, the lifter is pumped........if it is easy going, i back off
> to .006 and come back a few days later to get it right.
>
>
> Ps...be sure to watch it run in the driveway a few minutes to see any
valve
> cover leaks!!!!!!
> >