Here's what's involved:
* Finding the right kit: You'll need a complete air conditioning kit specifically designed for a 1979 Chevy Scottsdale. These are often available from classic car parts suppliers. The kit will usually include the compressor, condenser, evaporator, hoses, dryer, and control components. Be prepared to pay a considerable amount for a quality kit. Some kits are universal, requiring more custom fabrication.
* Modifying the truck: The truck wasn't designed for A/C, so you'll likely need to:
* Fabricate mounting brackets: For the compressor, condenser, and evaporator.
* Cut holes: To accommodate the evaporator core, usually under the dash. This requires precision to avoid damaging other components.
* Install new wiring: To power the A/C system components, potentially including adding a relay and fuse.
* Routing hoses and lines: This will require careful planning and potentially custom fabrication to fit the system neatly.
* Modify the firewall: Potentially. This might be required for the evaporator core or hoses.
* Refrigerant and vacuum: The system will need to be properly evacuated and charged with refrigerant (R134a is the most common now). This requires specialized equipment.
* Mechanical knowledge: A good understanding of automotive mechanics, especially HVAC systems, is beneficial. You'll be working with refrigerant, which requires proper handling and safety precautions. Improper handling can be dangerous.
* Cost: Expect a substantial cost. The kit itself, labor (if you're paying someone), and any unforeseen modifications could easily reach several thousand dollars.
In summary: While it's *possible*, adding A/C to a 1979 Scottsdale is a complex project. Unless you have significant mechanical experience and the right tools, it's highly recommended to seek the help of a qualified mechanic specializing in classic car restoration. The cost might be high, but the end result - cool air in your classic truck - is worth it for many.
