Check the pulleys for alignment, freedom of rotation and damage. Repair or install new components if necessary. For additional information, refer to: Accessory Drive Belt (303-05B Accessory Drive - 2.2L Duratorq - Td4, Removal and Installation) / Accessory Drive Belt Tensioner (303-05B Accessory Drive - 2.2L Duratorq - Td4, Removal and Installation) / Accessory Drive Belt Idler Pulley (303-05B Accessory Drive - 2.2L Duratorq - Td4, Removal and Installation).
Check the FEAD belt for contamination. If contaminated, install a new belt. For more information, refer to: Accessory Drive Belt (303-05B Accessory Drive - 2.2L Duratorq - Td4, Removal and Installation).
Check the correct application of the FEAD belt
FEAD belt not holding tension
FEAD belt cracking or damage
The tensioner is worn or damaged
Inspect the FEAD belt for cracks or damage. Install a new belt if necessary. For more information, refer to: Accessory Drive Belt (303-05B Accessory Drive - 2.2L Duratorq - Td4, Removal and Installation).
Check the FEAD belt tensioner for proper operation or damage. Install a new FEAD belt tensioner if necessary. For more information, refer to: Accessory Drive Belt Tensioner (303-05B Accessory Drive - 2.2L Duratorq - Td4, Removal and Installation).
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