C4 Corvette HVAC Programmer Module Rebuilding Service

1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996

This is a rebuilding service for a C4 HVAC Programmer Module which can be installed on any of the following Corvette models:

The C4 HVAC (Heating, Ventilation, and Air Conditioning) Programmer Module is a component in the fourth generation of the Chevrolet Corvette (C4), a sports car produced between 1984 and 1996.

The purpose of the C4 HVAC Programmer Module is to control the operation of the car’s heating and air conditioning system. It is responsible for maintaining the desired temperature and regulating the flow of air to the cabin.

The C4 HVAC Programmer Module also contains diagnostic features that can help identify problems with the heating and air conditioning system. For example, it can display error codes that can help a mechanic pinpoint the root cause of a malfunction.

Overall, the C4 HVAC Programmer Module plays a critical role in maintaining the comfort and safety of the car’s occupants by regulating the temperature and air flow in the cabin.

How does the HVAC Programmer Module break?

The HVAC programmer module houses vacuum control solenoids and the blend door motor controller. Vibration can cause the solder joints to break down, while excessive heat can cause the electrolytic capacitors to fail.

This rebuilding service will fix the common symptoms listed below:

• • Switching between air selections is not working properly.
  • Cold air blows from the vents when heat is selected, or hot air blows when A/C is selected.

Option Code: C68

Engines: L98, LT1, LT4

GM Part Numbers:

The following has been pulled from our Terms & Conditions.

CORE CHARGE POLICY

Corvette Salvage requires a core charge deposit when specific used and rebuilt parts are purchased. When purchasing an item with a core charge attached to it, the following two conditions must be satisfied for the core charge deposit to be returned:

• 60 days from the purchase of the original item, the original core must be returned to the Corvette Salvage facility. Shipping costs for core returns are the customer’s responsibility. Cost Of Delivery or Postage Due packages will be refused
• The returned core must pass rebuilding inspection tests. Corvette Salvage reserves the right to determine if a part is rebuildable. If a part is deemed not rebuildable, return shipment will be at customer expense.

Core returns can be shipped to the following address:

Dino’s Corvette Salvage, LLC

3545 Hwy 43 North

Picayune, MS 39466