Burping an engine?

[rocco16v at netzero.net (L F)]

It works.
Remember: a SMALL hole! 
.062" dia or so is all it takes...

Larry
  ----- Original Message ----- 
  From: shawn f 
  To: T. Reed 
  Cc: scirocco list 
  Sent: Monday, October 13, 2003 5:32 PM
  Subject: Re: Burping an engine?


  Really drill a hole in your thermostat to help this probkem? I am rebuilding
  an engine, and well be refilling the system in the near future. So i will do
  this if it seems to work.....
  ----- Original Message ----- 
  From: "T. Reed" <treed2@u.washington.edu>
  To: "Julie Macfarlane" <juliemac57@hotmail.com>
  Cc: <scirocco-l@scirocco.org>
  Sent: Monday, October 13, 2003 6:42 PM
  Subject: Re: Burping an engine?


  Yeah.. you missed that VW cooling systems are a huge headache!

  But seriously.. all you can do preventatively is fill the radiator and the
  block through the upper rad hose (sounds like you did that) and drill a
  hole in your thermostat to help purge trapped air.

  Now that you've already filled with water and coolant you might want to
  try a third method that doesn't require you to drain and refill. It does
  assume, however, that there is air trapped in your upper radiator hose.
  You can tell that there is if it's all poofy and when you squeeze it, it
  fights back.

  Heat the car up until it almost boils over, then kill it and pop the
  hood. With a pair of channel locks carefully compress the upper rad hose
  spring clamp and squeeze the bloated hose with your other hand. You should
  be able to bend it just right so that a small spray of hot air and a
  little steam comes out (no water!) from around the lip of the hose. Keep
  doing this (3-4 times if you have a lot of air) until air no longer comes
  out. Then do a couple heating and cooling cycles to let the rest of the
  air work its way out naturally.

  Check your progress by heating the car up and feeling for relatively
  uniform temperature across the radiator. If one side is ice cold, you've
  still got trapped air (or a different problem).

  Enjoy.

  -Toby

  On Mon, 13 Oct 2003, Julie Macfarlane wrote:

  > I filled the engine from the top hose as well as from the bottle. TRhe
  > engine boiled and a fountain of coolant came out. Did I miss some thing?
  >
  >
  >
  > Julie Macfarlane
  > Menlo Park Research & Development
  > Internet Application Developer
  > www.menloparkrandd.com
  > www.montgomeryweb.org
  > Amsterdam NY
  >
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