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Thread: Heater Control Valve and Engine Side Heater Hoses

  1. 02-12-2013 #1
    marvelous240Z
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    Default Heater Control Valve and Engine Side Heater Hoses

    Hi Guys. I'm in the process of stripping down my 71' 240Z for bodywork and paint and while I have the interior disassembled and dashboard out I wanted to replace my Heater Control Valve and Engine Side Heater Hoses. My question is if I disconnect the hoses from the engine is coolant going to come pouring out? Do I need to drain the radiator before I perform this task?

    I attached some pictures of my progress in breaking down the car. Looking to send it off on Monday to the body shop. Can't wait!!!
    Click image for larger version.  Name: IMG_1063.jpg  Views: 275  Size: 144.6 KB  ID: 61066Click image for larger version.  Name: IMG_0981.jpg  Views: 136  Size: 144.3 KB  ID: 61067Click image for larger version.  Name: IMG_0984.jpg  Views: 96  Size: 121.7 KB  ID: 61068Click image for larger version.  Name: IMG_1024.jpg  Views: 115  Size: 139.1 KB  ID: 61069Click image for larger version.  Name: IMG_1029.jpg  Views: 72  Size: 120.9 KB  ID: 61070Click image for larger version.  Name: IMG_1073.jpg  Views: 133  Size: 130.6 KB  ID: 61071
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  2. 02-12-2013 #2
    djwarner
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    Yes, so drain the radiator.
    1971 240Z HLS30A 17574 L24-021025
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