Subject	Check to make sure your heater core valve is actually open
Posted by	YlwPrlZTT on January 20, 2014 at 7:33 PM
	This message has been viewed 505 times.
In Reply To	Help mehhh 1990 n/a No Heat & Overheating posted by SugaDaddySpence on January 18, 2014 at 04:23 PM
Message	when you have heat selected. On drivers side in the foot well (you have to lie upside down) above the gas pedal on your left if you take a flashlight you should be able see the heater core. Right on the side of it there is a small valve that has a rod attached to it. I'm guessing you have a manual climate control. This rod is attached the the air mix door motor. When you select the heat the air mix door motor shifts and opens the water cock valve at the same time. Mine died some time ago so I have to manually open and close the valve to have heat. If you look at the valve to feel it, if it is pointing towards the front of the car that is open, if it is pointing towards drivers side it is closed. Check that first. You can also feel the heater core if it gets hot or not. Also your mode select door motor is also probably dead. That's why you can't change where the air is blowing. Here : [ http://www.courtesyparts.com/300zx-parts-z32-1990-1996/genuine-nissan-parts/body-electrical/270-heater-blower-unit/-c-882_883_923_940.html ] 27115 is the valve 27733N is the air mix door motor 27733M is the mode motor
Follow Ups	Help mehhh 1990 n/a No Heat & Overheating - SugaDaddySpence 16:23:19 01/18/14 Re: Help mehhh 1990 n/a No Heat & Overheating - wh0sjeff 02:51:39 01/19/14 Check to make sure your heater core valve is actually open - YlwPrlZTT 19:33:10 01/20/14
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