nunan Posted September 23, 2008 Share Posted September 23, 2008 hey all, i'm using my airlift on a 00 f550 and was just wondering if anyone knows what the specs are for a leak? like if it loses so many inches of vacuum over a certain period its a leak or not. thanks Quote Link to comment Share on other sites More sharing options...
Shlep Posted September 23, 2008 Share Posted September 23, 2008 As far as I know it's not supposed to lose any vacuum. Quote Link to comment Share on other sites More sharing options...
SteveS Posted September 24, 2008 Share Posted September 24, 2008 That would be my guess, too. On the one that we have the valve and seal seem to be pretty reliable, so I wouldn't expect leakage from there. Now if you are expecting it to hold vacuum overnight, that might be too much to expect. What are you seeing? Quote Link to comment Share on other sites More sharing options...
nunan Posted September 25, 2008 Author Share Posted September 25, 2008 over an hour it lost about 1-2 psi. turned out to be a bad hose clamp, replaced it and held vacuum fine Quote Link to comment Share on other sites More sharing options...
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