Toyota Tundra belt squealing and AC light blinking issue under investigation on Toyota Tundra

Some Toyota Tundra owners report experiencing belt squealing, which may be attributed to issues with the belt or the tensioner. These owners often find that inspecting the belt and tensioner for wear and tear is a crucial first step. Additionally, switching to gatorback belts has been noted to resolve many chirping issues related to idler pulleys. When the belt squeals specifically with the AC turned on, it could indicate a malfunctioning AC compressor. Furthermore, some owners report an AC light blinking, which might suggest problems with the compressor or other AC system components. In such cases, replacing the compressor, along with the clutch and boot, may be necessary to fix the issue. Owners are advised to check the compressor when the engine is cool to ensure it turns smoothly, as this can aid in diagnosing the problem. Regular maintenance and prompt repairs are recommended to prevent further complications with the Toyota Tundra's AC system and belt functionality.