[Vwdiesel] air in fuel line

[James Hansen]

Yep.
when the thermal valve thingy gets old, the o-ring on the top gets poor. 
  Since it's held in with a hairpin, you can't really put more pressure 
on it to get it to seal better, so I wound up wedging a thin wedge of 
wood under the hairpin, so it presses down better on the thermo-valve. 
Problem gone.
-james

LBaird119 at aol.com wrote:
>   A few months back, Dad called my cell, stuck on the side of the road.  
> The Passat would idle, drive a bit, starve out and die.  Same bubbles 
> issue.  We fussed, fought and messed with the thermo recycler valve 
> thingy.  Finally checked price on a filter and valve.  Yeesh!  Hose 
> connection 
> type filter was about half and no valve too.  He just put in an A2 type 
> filter 
> and a brass hose-hose barb tying the return line back to the tank full time.
> Clamped all the connections and away it went with not a single bubble in 
> the lines anymore.  :-)
>      Loren
> 
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