B13.21-0024-09
1 | Poly-V belt | 2 | Reversing pulley | 3 | Reversing pulley |
Warning | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. | |
Topical note | Notes on self-locking nuts and bolts | ||
| Remove/install | ||
1 | Open the engine compartment | The access to perform maintenance and repair works varies according to the manufacturer and the body type. | |
2 | Remove the acoustic encapsulations | ||
3 | Slacken the poly-V belt (1) and remove it from the inversion pulleys (2, 3) | ||
Belt drive routing diagram | |||
| Check | ||
4 | Check the conditions of the poly-V belt (1) and replace it if necessary. | ||
| Damage profiles for a poly-V belt | ||
5 | Remove the inversion pulley (2) | Guide pulley screw on crankcase | |
6 | Remove the inversion pulley (3) | Guide pulley screw on alternator holder | |
7 | Install in reverse order |
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