Discover Chevrolet Silverado 1500 Pu Hvac System Cost & Best Chevrolet Silverado 1500 Pu Auto Air Conditioning. Maintaining the heating and air conditioning system in your Chevrolet Silverado 1500 ensures a comfortable ride, regardless of external temperatures. To extend the system?s lifespan, regularly replace the cabin air filter to prevent debris from clogging the system and perform periodic coolant flushes for optimal performance. Be alert to signs that indicate replacement is necessary, such as weak airflow or unusual noises, which could signify a failing blower motor or compressor. When selecting a new system, choose between automatic and manual climate control, each offering distinct features like temperature precision or simpler operation. High-quality materials and professional installation are key to ensuring the longevity and efficiency of your Silverado's climate control system, enhancing vehicle value and driving pleasure.