naviathan Posted September 18, 2006 Share Posted September 18, 2006 Summer is over and I'm finally working on my A/C, makes a lot of sense...Anyhow: First off, I have the autotemp system and I know how horrible it is. Fortunately everything works on mine except the power servo. I spent several hours last night going over the system. There's a few things I don't understand. The power servo isn't getting vacuum so I started tracing the lines around using the FSM. What is the purpose of the lock valve? It has a vacuum input, but it doesn't allow any kind of vacuum through? After the lock valve there's a line that runs to the bypass vacuum selector. This component has three lines on it. One that runs to the power servo, one from the branch off the vacuum tank and the last one from the lock valve. Everything is in place and seems to be working, but I'm still not getting any vacuum to the power servo. Has anyone had any experience with this type of problem? Quote Link to comment Share on other sites More sharing options...
roger.svoboda Posted September 18, 2006 Share Posted September 18, 2006 the 81 daily driver? is it turbo? Helps if we know some basic facts about the car as Z's vary with year and intake system. Quote Link to comment Share on other sites More sharing options...
naviathan Posted September 18, 2006 Author Share Posted September 18, 2006 The 81, earlier models didn't have autotemp control, just the ZX. Quote Link to comment Share on other sites More sharing options...
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