[Vwdiesel] Still chasing an air leak, only there now when engine is hot

[Sandy Cameron]

At 10:16 AM 10/10/2007 -0700, you wrote:
>So, my fuel line air leak is only there when the motor
>is warmed up, when starting cold and for the first 5
>minutes or so around town, no stumble, no bubbles.
>But, when the engine compartment is heated up, the
>bubbles slowly come back.
>
>Conclution.
>My air leak is being caused by heat expansion and the
>source is somewhere in the engine compartment??
>

does your fuel filter have a white plastic thing on top that the return line
passes thru
It has a flimsy O ring in the filter fitting that is a notorious leaker.
Sometimes just repositioning it will stop the leak,mor arrange the return
lines to releive any strain on the device.

Sandy