nz_z31

Hi im new to the z club i currently own an 83' z31 and am having issues with the digital climate control pannel, its only blowing air to the windscreen, how can i change where the air flow goes to? the A/C belt is not currently attached. please help

NismoPick

Welcome to ZDriver!

Download the FSM for free: XenonZ31 Reference
Check vacuum lines for cracks.

FYI... the Z31 model started in 1984.

shogunb

welcome,

Beautiful car!

your seat belt tag should reveal your year model...looks like an 84

After reviewing the FSM you may have to replace/tape/trim some vacuum lines to get the proper airflow. dont know how long youve had her and what the PO did...

my question is...the same one on bourbon street...why dont you take your tops off?

weather is great here in NC hope you get the prob fixed...

respectfully,

Shogunb

PredatorZ

Like my 84, it was actually made in the summer of 83. Like any new model car, this summer you will be able to buy a 2014 model. I'm guessing that's where you got the 83 from, maybe.

PredatorZ

The climate control and all the associated venting is controlled by vacuum, a leak in any of the lines will cause issues. Check the lines under the hood, are they brittle, cracked or stiff at all, if so, replace them. many times just the ends will fray or crack, just trimming of a short piece will give you a fresh good end to connect back up. If the lines are in an over all bad condition, just go to a parts store with a small piece and ask for 20 feet or so (just guessing). Obviously only replace one piece at a time, only a crazy person would pull all the vacuum lines off at once...

TylerL

I recently purchased my 3rd 300zx (85 Turbo, 5spd, all digital, climate control package, etc...) My AC would only blow on defrost and from the floor vents. When it was extremely hot, it would intermittently blow out of the dash vents.

Well upon doing some investigating, I found that someone had removed the interior ambient temp sensor located between the t-tops in the headliner. These aspirator fans/temp sensors are known to wear out and make a grinding, squeaking, rattling sound. Apparently it was doing that so the prior owner just removed it.

I purchased a new sensor from 300zxpartsforyou.com and now my A/C works like a champ! Couldn't be happier

AZ-ZBum

Hi. You are aware other countries also got the Z31 and some of them consider the model year to have started in 1983, right? Especially if they got a Japanese import like Australians do all the time?

Seeing as how his handle is "NZ_Z31", I'm going to put money on him being in New Zealand.

AZ-ZBum

Number 1. Attach the AC belt.
Number 2. Replace ALL the vacuum lines, starting with those in the engine bay.
Number 3. The digital controls on the climate system were crap. You really can't control where the air comes out. The computer does all that for you.

nz_z31

Thanks for the replies i have orderd some parts from 300zxpartsforyou.com idler bracket and pulley to get the A/C running i have replace the vacuum lines.. so il wait for the parts for now. also having problem with the engine stalling when all the electrics are on i was thinking Idle-up solenoid or alternator? also my automatic trans takes a while to change gear even into drive when warm
and sometimes dosnt change gear when it should if i put my foot down..
any help would be appreciated,
My z31 is registered as a 1983 z and yes i am from New Zealand
theres only like 5-10 z31s in nz and parts are hard to find, ownd my car for about a month now.

nz_z31

bump

nz_z31

Hi everyone, i am still having issues with my climate control, i have replaced all the vacuum lines, does anyone know what the Climate Control / ASCD Vacuum Pump does? it looks like it has one connector and a tube that pumps air to the ground.. also does anyone know where the amb temp sensor is located for the climate control? my amb temp displays -49.
i have not connected my a/c belt yet.. possibly sized or faulty cluch, not sure if this adds to the problem. please help!