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Hey everyone, I'm Paul and I'm new to this forum. I have a 1985 300zxt with some problems. First, the A/C only blows hot air but i have already done some research and i discovered it's a vacuum line problem. So i replaced all the vacuum lines that deal with the A/C EXCEPT the one line that goes through the firewall on the passenger side. The line broke halfway while i was trying to pull it out of the firewall with the new hose attached to it. So now with the old hose out, i tried feeding the new hose in through the firewall from the engine bay and i can't seem to get it to drop down to where i can reach it from the passenger side. Any ideas? Also my fuel gauge kind of works. When it has a full tank it, it reads full. But right about when 3 gallons are used up from full, the gauge goes all the way down to empty. Can this be the fuel sender? If so how do I fix this problem?

Thanks for all your help
 

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Z31 know-it-all
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1,023 Posts
For the vacuum line, use a coat hanger or similar.

For the fuel gauge, replace the fuel level sending unit. You get to it in the trunk.
 

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Z31 know-it-all
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1,023 Posts
then the easiest way is to pull the dash.
 
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