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90-96 Corvette HVAC Programmer Vacuum Connector Rebuild Service
Posted by Bryan Thompson on
It's 2025, and your 1990-1996 Corvette HVAC Programmer is starting to age. The power supply capacitors have failed, or they will. The solenoid air filters have rotted away. And the vacuum connector has likely started to leak. The vacuum functionality of the programmer is responsible for how air routes through the air box. It selects fresh air vs recirculated air. It facilitates the defrost modes. Finally, it determines the vent(s) where the air is delivered - top vent, bottom vent and/or front vents. Vacuum System Problems The plastic used in the factory vacuum connector assembly can become heat- and age-damaged....