Frank:
You do it both with the car running and not running. With the car shut off, you discover how long the vacuum lasts. When its running and you have vacuum problems, you can bet it some serious leaks.
Don
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DAILY DRIVERS:
'84 300DT 298k (Aubrey's)
'99.5 Jetta TDI IV 251k (Julie's)
'97 Jetta TDI 127k (Amber's)
'97 Jetta TDI 186k (Matt's)
'96 Passat TDI 237k (Don's
'84 300D 211k Mint (Arne- Undergoing Greasecar Conversion)
SOLD:
'82 240D 229k (Matt's - Converted-300DT w/ 4 speed
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