To save fuel and limit the need for future repairs, flush your system at least once a year. Prepare Your Vehicle for the AC Flush. Park on even ground somewhere safe where you have room to work, leaving the engine in idle and engaging the brake. Ensure th

Auto air conditioning systems may require flushing after a catastrophic failure of the compressor, since debris from the failed unit can scatter throughout the closed system. This debris will be the broken parts of compressor—reed valves, piston rings,

Always flush the AC system whenever you replace or remove the AC compressor, or whenever there is any contamination in the system. Every time remove and inspect the orifice tube. From the orifice tube, you can see the AC system’s condition. If you see a