Odd cooling problem

[rocco16v at netzero.net (L F)]

Once the engine is off, the source of heat is gone and temperatures start to drop, not rise.
Think about it.

Larry
  ----- Original Message ----- 
  From: Calimus 
  To: Captnbr@aol.com 
  Cc: Scirocco-L@scirocco.org 
  Sent: Wednesday, September 10, 2003 1:07 PM
  Subject: Re: Odd cooling problem


  When the car is running, the system is presurized and is also moving and
  being cooled, so it behaves.  Once the car is off, the coolent isn't
  flowing anymore so it isn't being cooled.  This causes a rise in
  temerpature of the coolent and a rise in pressure since as things heat
  up, they tend to expand.  Since the cap appears to be faulty with higher
  pressures, it's allowing the system to puke at higher pressure levels.

  How's that for ya, a bit technical, but without all the big words that
  make me sound like I know what I'm talking about?  Hope that helps.

  William

  Captnbr@aol.com wrote:
  > 
  > In a message dated 9/10/2003 3:46:04 PM Eastern Standard Time,
  > brian_wagner@sbcglobal.net writes:
  > 
  > <<Replace the coolant cap.>>
  > 
  > That's what I was thinking and hoping the problem is.  But can someone get
  > technical with me and explain why it will only spill out after I turn off the
  > engine?  If the cap is faulty why wouldn't it lose coolant while the engine is
  > running?  The fan stays on high speed after I shut the engine off so the fan is
  > running when the coolant comes out.  Thanks again.
  > 
  > Brian 86 16v
  > 98 Jetta GLX Vr6
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  88' Scirocco 16v (Crabby 16v)
  89' Cabriolet 8v (dead bunneh) RIP 8/25/03
  71' Karmann Ghia (air sucker)

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