Order Chevrolet Astro Van Engine Temperature Control Sensor & Chevrolet Astro Van AC Ambient Temperature Sensor Locate Chevrolet Astro Van AC Sensors. Maintaining the AC sensors in your Chevrolet Astro Van is pivotal for a comfortable ride, as they regulate cabin temperature and trigger necessary adjustments. To ensure longevity, routinely clean sensor surfaces to prevent dust and grime buildup, which can cause malfunctions. Signs that your sensors may need replacement include inconsistent cooling or a non-responsive system. When selecting a new sensor, opt for OEM-grade quality to guarantee compatibility and durability. For installation, gently connect the sensor to avoid damaging delicate components, and always ensure it's correctly positioned to accurately measure cabin temperatures. With the right care and quality parts, your AC system will keep you cool for miles to come.