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C4 Corvettes, 1984 - 1996
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Heater core question

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Heater core question

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Old

Nov 19, 2022 | 06:18 AM

#1

rberge12

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Joined: Mar 2022

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From: Lubbock, Texas

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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

#2

DanZ51

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Joined: Jun 2005

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From: Wallingford Vermont

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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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