The valve would remain microscopically open when the engine was at
operating temp. This is what I've been told in the past.

--t

On Sun, Dec 13, 2015 at 11:42 PM, thewestyman <zolo@foxinternet.net> wrote:

> What happens if someone adjusted them three full turns?  Just asking.
> Can they be over adjusted?
> Zoltan
>
>
>
> -----Original Message-----
> From: Dennis Haynes
> Sent: Sunday, December 13, 2015 9:28 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Valve adjustment advice
>
> Why are you touching the adjusters on a running engine?
> Before doing an adjustment you want to set the engine at TDC for the
> compression stroke of the cylinder you want to adjust before loosening
> them.
> That way you will feel when the tension is off the pushrod without getting
> anything so loose the push rod can fall out. If you do get them too loose
> and they fall out of the cup in the lifter you have to be very careful to
> get the rod seated in the lifter cup and rocker socket. Then you want to
> take up the slack and then turn another 2 turns. You will see the lifter
> push the valve open slightly. Turn engine to next cylinder and repeat.
> After
> all are adjusted wait an hour or so they can bleed down a bit. The engine
> may be hard starting as some of the valves may not close. Once it starts
> and
> warms up the lifters should adjust and all should be good. If this is a
> high
> mileage motor you may want to inspect or just replace the adjusting screws.
> They wear in pattern and often wear the valve stem to match. When you turn
> them this wear path will be miss aligned and this can tear up the screw or
> worse the valve stem.
>
> So will suggest setting the valves with some lash like in the solid lifter
> days. Resist this temptation. The will have a bad rocker geometry and make
> for a noisy engine. If something is wrong it will need to be fixed. A valve
> adjustment is only effective after someone screws it up and it gets noticed
> and fixed before major damage is done.
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Robert Clemmer
> Sent: Sunday, December 13, 2015 6:29 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Valve adjustment advice
>
> Bentley says to back out the adjusting screw until it is flush with the
> rocker arm, then turn engine to TDC on #1 and start from there.
>
>
>
> If I back out the screws that far, don't I run the risk of the pushrods
> dropping out of the lifters?
>
>
>
> Bob C
>