Pac_Man Posted June 21, 2013 Share Posted June 21, 2013 Hi everyone, Recently my uncle has helped me to tackle the issue of my heater not working. Upon taking out the glovebox and center console to get an idea of what's happening (or rather what isn't), we noticed a couple things. - The cable that is actuated by the temperature control seems to be rusty and isn't moving. It's also bent. The one I'm referring to is the one that's behind the passenger side dash, not the one that's connected directly to the switch on the control panel. - The hoses for the inlet and outlet of the heater core should be replaced. I was hoping to replace the heater core while we were at it because i'm almost positive it's original, but the hoses would need to be replaced at the same time. - The heater control valve seems to be pretty worn out and may not be functioning. I'm not entirely sure what this part is actually called or what its specific functions are, but there is some sort of spring mechanism attached to it. My uncle is fairly certain it's some kind of thermostat. It's the part that is shown in this picture: And of course, finding these parts has been nearly impossible. I found hoses for the inlet and outlet of the heater core on ebay, but they're over $20 each. I've only found the heater valve in one place and it's priced at $200 there. As for the temperature linkage, I haven't been able to find anything. I'm not sure if this is because I don't know the proper names or perhaps these parts are just impossible to find. Can anyone help point me in the direction of where to buy these parts? Thanks - Brandon Quote Link to comment Share on other sites More sharing options...
takayuki Posted June 22, 2013 Share Posted June 22, 2013 New datsun parts sells the heater control valve for 117. http://www.new-datsun-parts.com/datsun-240Z-parts-interior1.html Quote Link to comment Share on other sites More sharing options...
Pac_Man Posted June 22, 2013 Author Share Posted June 22, 2013 Thanks! I've never heard of this website before but it looks like I'll have to keep it bookmarked for the future. Do you happen to know if that valve is actuated by the cable that's connected to the temperature control? Quote Link to comment Share on other sites More sharing options...
takayuki Posted June 23, 2013 Share Posted June 23, 2013 Yes. It is cable controlled... on cars without a/c as far as I know Quote Link to comment Share on other sites More sharing options...
78Z/250GTO Posted June 23, 2013 Share Posted June 23, 2013 I too ran into this problem on my build. My solution was to replace the valving system with the old 240Z type mechanical valve and hook it to the slide control via a cable. the only drawback is that the slide control lever worka in reverse. cold is hot and hot is cold. this I can live with Jim Quote Link to comment Share on other sites More sharing options...
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