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Regarding my previous question: "Where exactly is the air purge valve (petcock) for the fuel system on the M809 series trucks?" Several trips through the search engine mention the valve but I could find no photos and no specific description of its location, only instructions to "open it" when...

I hear you! Amazingly, the brakes are firm and no leaks detected but due to the age, I'll have to work my way through them. The A1 has the drop-down sides, lucky guy.

God, I hope you're right. Ok gang, first question- Using the Operator's TM for the M809, I drained some fuel/water/sediment out of the fuel/water separator. (Pg. 3-15, item E, service fuel/water separator.) Page 3-16 describes opening the air purge drain cock in the engine compartment to...

Well stick around. I need people to tell me "You're doing it wrong" while I try to get it road worthy.

The 5 ton sub-forum is seriously lacking in love for the old 809 series. The 900s are getting all the glory. :wink: Seriously though, I run a fix-it thread not just to show others what I'm going, but to help me keep my thoughts and processes straight and to document what I'm doing for my own...