C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
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Old May 13, 2006 | 09:10 AM
  #1  
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jbusmc1986
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From: long island NY
St. Jude Donor '06
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what would be required to change over my stock 99 frc hvac to a dual zone climate control hvac system?
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Old May 13, 2006 | 12:15 PM
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I think all you need to do is replace the base control unit with a dual zone unit. From what I understand, the rest of the system is the same. You already have the seperate temperature control doors. Can anyone verify this?
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Old May 13, 2006 | 12:33 PM
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Default Probably pricey...

You'd probably have to replace the control head ($750) in the dashboard, replace the blower motor resistor with the blower motor control module (if it will fit in the same location) and whatever else is necessary to control the hot water flow through the heater core and the AC compressor. I believe this would be true, unless you can get dual zone without automatic temperature control (RPO CJ2)???????
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Old May 13, 2006 | 01:37 PM
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I understand it is not practical. It is a lot more than the control head. New wiring harness and new actuator at a minimum. And when you get done, you will have a less reliable system.
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Old May 13, 2006 | 07:01 PM
  #5  
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jbusmc1986
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From: long island NY
St. Jude Donor '06
Default hvac

never mind then... thanks guys, I am very new to the vette world, I just got mine yesterday and am just learning everything that I can now, I guess I will just sell the dual zone hvac that I came across.
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