How easy is valve adjustment to do yourself?  With regular shop tools and
a little know how?
Would you happen to know what the most common cause of idle fluctuation?
It hunts idle all the time cold or warm?

On Mon, 20 Dec 1999 08:26:51 -0500 Bob Donalds <bostneng@fcl-us.net>
writes:
>Shortlidge D Joel wrote:
>>
>>         What is the easiest way to adjust the valves of the wasser
>leaker?  What
>> should I do if they still will not seat right?  They currently not
>making
>> any valve clatter and I think they many be to tight.  What should my
>next
>> course of action be if that does not get them to seal right?
>>
>> ___________________________________________________________________
>
>Joel
>    I have gotten to the point that I am shipping all my rebuilt
>engines
>with hydraulic lifters with the valves adjusted to .006ths clearance.
>the reason for this is that when the new engines warms up with the
>valves preloaded stay open causing low manifold vacuum and poor
>performance. Hydraulic lifters are not bleeding down as expected. I
>now
>tell my customers that they need to do a compression test before and
>after the engine has had the the lifters preloaded and they preload
>at
>there own risk! I have spoken with Greg at Gregs repair he reports
>compression tests before and after backing off my customers preloaded
>valve adjustment with gains of 20 pounds across the board.  There has
>been no report of lifters failng because of valve adjuster lash
>(clearance) my own van has run this way for 2 years. Its not clear
>why
>this is happening but I have an article posted at my web site that
>goes
>into more detail. I have personaly backed off the adjusters for the
>editor of the vanagon manual and cured his low vacuum and low
>compression readings in his own vanagon.
>
>Bentley says
>       Bentley gets its info from VW and passes it along without
>passing
>> jugdement they have told me they do not feel free to modify thats
>been
>> handed to them without a tech bulletin to back it up even when I
>have
>> proven to them that there is a better way
>
>      I spoke to Ken at vanagain he told me he had heard of meet or
>show
>where someone tested the vacuum readings of all the vanagons that
>showed
>up and they all had low manifold vacuum can anybody else report on
>that?
>
>      while we are on the subject valves I hear that there are sodium
>valve for sale but the only valves I have found listed are stelite
>faced
>they do have an S next to the part number these may be mistaken for
>sodium any leads, part numbers and phone numbers
>
>Bob Donalds
>http://www.bostonengine.com

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