11-04-2019, 07:45 AM
Yeah, there is not supposed to ne a petcock valve there, but like Michael said it may be leaking. Another place to look for a leak would be at your air pressure regulator. Had to replace mine a few years ago as it was leaking badly.
Clarke and Elaine Hockwald
1982 Newell Classic, 36', 6V92 TA
2001 VW Beetle Turbo
Cannondale Tandem
Cannondale Bad Boy
Haibike SDURO MTB
http://whatsnewell.blogspot.com