Symptom Chart
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
| Condition | Possible Sources | Action |
|---|---|---|
| Accessory drive belt cracking (over 15 cracks in a rib over a distance of 100 mm [4.0 in]) | Accessory drive belt | INSPECT the accessory drive belt. REFER to Inspection and Verification in this article. INSTALL a new accessory drive belt as necessary. Refer to Accessory Drive Belt . |
| Accessory drive belt chunking | Accessory drive belt | INSPECT the accessory drive belt. REFER to Inspection and Verification in this article. INSTALL a new accessory drive belt as necessary. Refer to Accessory Drive Belt . |
| 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 Misaligned pulley(s) Pulley runout Damaged or worn accessory drive component or idler Fluid contamination of accessory drive belt or pulleys |
REFER to Component Tests , Drive Belt - Noise/Flutter in this article. REPAIR or INSTALL new parts as necessary. |
| Damaged or worn accessory drive belt tensioner | REFER to Component Tests , Belt Tensioner - Mechanical and Belt Tensioner - Dynamics in this article. INSTALL a new accessory drive belt tensioner as necessary. Refer to Accessory Drive Belt Tensioner . | |
| 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. | |
| Accessory drive belt idler pulley bearing failure | INSPECT the accessory drive belt idler pulley for freedom of rotation and damage. INSTALL a new accessory drive belt idler pulley as necessary. | |
| Premature accessory drive belt wear | Defective or incorrect accessory drive belt Misaligned pulley(s) Pulley runout Damaged accessories Incorrectly installed drive belt Fluid contamination |
REFER to Component Tests , Drive Belt - Noise/Flutter and Drive Belt - Incorrect Installation in this article. REPAIR or INSTALL new parts as necessary. |
| Damaged pulley grooves | INSPECT the accessory drive belt pulley grooves for damage. INSTALL a new pulley or component as necessary. | |