NAS 110 A/C Heater Mixer Vacuum Hose - Defender Source
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  #1  
Old March 30th, 2016, 03:41 PM
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Dennis Yard
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NAS 110 A/C Heater Mixer Vacuum Hose

Has anyone removed and replaced the hard yellow plastic vacuum line from the A/C & Heater box in the engine bay, through the bulkhead, to the heat/cool mixer control? I need some tips on the topic before any work is started. The line has hardened and broken off on the engine bay side. It appears to be a very big job to replace.

I was able to order some generic silicone vacuum hose with 2 mm ID and 4 mm ID which seems to replace the size needed.

Also is there a diagram which shows this line and its routing to behind the dashboard? There is none in the repair manual.
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  #2  
Old April 2nd, 2016, 12:06 PM
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Dennis Yard
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  #3  
Old April 2nd, 2016, 12:27 PM
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Hi Dennis
Try Bob Smith at California Auto Haus in Encinitas
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  #4  
Old April 4th, 2016, 10:44 AM
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Dennis Yard
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Thanks. Will give him a call.

BTW, check out the LRCSD Facebook page for our next trip to Death Valley in a couple weeks.
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Old April 4th, 2016, 11:18 AM
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Its just a regular vacuum line so whatever you get just re-route. You can remove the grey front fascia on the dash and you can route the line behind there where the current line is run. That gray piece comes out by first removing the air vents and then removing the screws behind some of them that hold that piece to the dash. You should also loosen the binnacle and remove the end cap on the PS.

Alternatively - you can try to just remove the dash cover but i don't recall if there would be enough room to get to the air/vent control assemble to detach and re-attach that line.

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