FAW-Volkswagen Apologizes for Sagitar Air Conditioning System Emitting White Powder

[Corporate Apology] FAW-Volkswagen has issued a public apology regarding the issue of white powder being emitted from the air vents of Sagitar vehicles and has committed to replacing the evaporators free of charge and providing a 15-year warranty.

Key Development: Affected Vehicles Produced Between September 2025 and January 2026

It has been confirmed that the issue stems from residual hydrophilic coating fluid accumulating in the air conditioning evaporator, which dries and forms white particles. Third-party testing identified the substance as polyvinyl alcohol, which is harmless to humans.

Key Data: Over 2,400 Complaints Filed on Mao Platform

Owners have consistently reported that the white powder appears immediately upon using the air conditioning in their new vehicles. Some encountered uncooperative after-sales service or were even asked to sign non-disclosure agreements, sparking public concern.

Strategic Root Cause: Cost-Cutting Pressures Driving Regression in Manufacturing Processes

Similar issues have repeatedly occurred across multiple brands’ internal combustion engine and new energy vehicles. The root cause lies in suppliers abandoning the mature pre-coated flat tube plus flux-free brazing process in favor of cheaper alternatives to reduce costs.