Download ISSUE Some vehicles may experience white flakes coming from the A/C vents when the blower motor is engaged. This may be caused by flux utilized in the manufacturing process of the evaporator core. ACTION Follow the Service Procedure steps to correct the condition. SERVICE PROCEDURE Hazard and Risk Warnings for White Flakes WARNING MAY CAUSE EYE AND RESPIRATORY TRACT IRRITATION. PROLONGED REPEATED EXPOSURE MAY CAUSE BONE DAMAGE (FLUOROSIS) AND HARM TO THE RESPIRATORY SYSTEM (BASED ON ANIMAL DATA). • Avoid inhaling dust. • Avoid contact with eyes. • Store away from acids. • Wash thoroughly after handling. • Avoid release to the environment. NOTE THE USE OF DUST PROOF GOGGLES, CHEMICAL RESISTANT GLOVES (PVC) AND DUST MASK IS RECOMMENDED. Clean A/C Ducts: 1. Remove floor duct trim. 2. Using masking tape, connect one end of the vacuum cleaner hose to the floor duct on driver side. 3. Tape closed all the other floor duct openings. 4. Obtain about two feet (61 cm) of rubber vacuum line large enough to fit the end of a small shop air blowgun.