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C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Heater core question

   
Old Nov 19, 2022 | 06:18 AM
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Default Heater core question
92 vert LT1 Wlectronic HVAC control...No Heat

I have the FSM and it shows No control valve before or after the core hoses( book 1, 6B30-47.. I keep searching and see mentions of this control valve..

I am going to flush the core today, but would like "clarification" on the valve.

Thanks
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Old Nov 27, 2022 | 11:04 AM
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AFAIK the heater control valve was only on the early C4s. I think in 1988 the did away with it, and relied strictly on the damper doors to control cabin heat.
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