300ZX (Z31) Performance / Technical Discussions related to Turbo charging, Supercharging, Engine, ECU, exhaust, and etc. performance enhancements and Techical related.

Heater vacuum hose through passenger side firewall

Old Nov 10, 2018 | 08:13 PM
  #1  
sagekh's Avatar
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Heater vacuum hose through passenger side firewall

I’m currently replacing my vacuum lines with silicone.
There’s a line that runs from the vacuum canister through the passenger side firewall (Black with red stripe from the factory)
I’ve removed the passenger side carpet and got way under there and still can’t see the line or what it connects to. Don’t really want to remove the dash to access it.
Does anyone have any pictures or recommendations on how I can reach this from below? Getting annoyed with my heat only coming from 2 vents lol
Old Jul 23, 2019 | 08:11 PM
  #2  
Donn144's Avatar
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Joined: Jan 2014
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Did you ever complete the job?
I am about to do mine..thx

Also, am I to get 4mm sized tubing?
Did you run it down where the old tubing is\was or did you just run it above to make it easy?
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