Symptom Chart: FEAD
| Condition | Possible Sources | Actions |
|---|---|---|
| V-Ribbed serpentine drive belt with cracks across ribs | Accessory drive belt | INSPECT the belt for cracks. Up to 15 cracks in a rib over a distance of 100 mm (3.937 in) can be considered acceptable. If cracks exceed this standard, install a new accessory drive belt. REFER to Accessory Drive Belt - 2.0L GTDI or REFER to Accessory Drive Belt - 3.5L Ti-VCT or REFER to Accessory Drive Belt - 3.5L GTDI . |
| V-Ribbed Serpentine Belt With excessive buildup (piling) in the V-grooves of the belt. | Accessory drive belt | The condition of the V-ribbed drive belt should be compared against the illustration and appropriate action taken. 1. Small scattered deposits of rubber material. This is not a concern, therefore, installation of a new belt is not required. 2. Longer deposit areas building up to 50% of the rib height. This is not considered a durability concern, but it can result in excessive noise. If noise is apparent, install a new accessory drive belt. REFER to Accessory Drive Belt - 2.0L GTDI or REFER to Accessory Drive Belt - 3.5L Ti-VCT or REFER to Accessory Drive Belt - 3.5L GTDI . 3. Heavy deposits building up along the grooves resulting in a possible noise and belt stability concern. If heavy deposits are apparent, install a new accessory drive belt. REFER to Accessory Drive Belt - 2.0L GTDI or REFER to Accessory Drive Belt - 3.5L Ti-VCT or REFER to Accessory Drive Belt - 3.5L GTDI . |
| V-Ribbed Serpentine Belt With Chunks of Rib Missing | Accessory drive belt | INSPECT the accessory drive belt. There should be no chunks missing from the belt ribs. If the belt shows any evidence of this, install a new accessory drive belt. REFER to Accessory Drive Belt - 2.0L GTDI or REFER to Accessory Drive Belt - 3.5L Ti-VCT or REFER to Accessory Drive Belt - 3.5L GTDI . |
| Damaged pulley grooves | INSPECT the accessory drive belt pulley grooves for damage. INSTALL a new pulley or component as necessary. | |
| Accessory drive belt noise, squeal, chirping or flutter | Defective/worn or incorrect accessory drive belt | REPAIR or INSTALL new parts as necessary. |
| Misaligned pulley(s) | ||
| Pulley runout | ||
| Damaged or worn accessory drive component or idler | ||
| Fluid contamination of accessory drive belt or pulleys | ||
| Damaged or worn accessory drive belt tensioner | REFER to Accessory Drive . | |
| Damaged pulley grooves | INSPECT the accessory drive belt pulley grooves for damage. INSTALL a new pulley or component as necessary. | |
| Accessory drive component failure | CHECK the accessory drive components. INSTALL new components as necessary. | |
| Premature accessory drive belt wear | Defective or incorrect accessory drive belt | GO to Pinpoint Test A . |
| Misaligned pulley(s) | ||
| Pulley runout | ||
| Damaged accessories | ||
| Incorrectly installed drive belt | ||
| Fluid contamination | ||
| Damaged pulley grooves | INSPECT the accessory drive belt pulley grooves for damage. INSTALL a new pulley or component as necessary. |
