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help find vacuum leak?/stupid human tricks revisited

In message <199706161917.PAA11085@hammurabi.nh.ultra.net> Huw Powell writes:

>> Audi recommend (but not in North America, or they might get sued) an unlit 
>> propane torch.
> After all the jeers when I suggested it months back, it was refreshing for
> me to find, in a troubleshooting column in some 8 page industry rag (for
> auto repair shops) a reference to the "standard propane method" of finding
> vacuum leaks.  Just do it outside, wear goggles and gloves, and make sure
> there's film in the camera....

I'll go with the "outside", or at least well ventilated.  But the torch only 
needs to be on a low setting, and there aren't many open spark areas in an Audi 
engine bay.  Really works, though, especially on the mass sensor to turbo hose.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club