Note: Replacement of the accessory drive belt and timing belt is described in Chapter 2.
1. Belt tension is adjusted by automatic tensioners. However, the tension should be checked periodically along with the condition of the belt. To gain access to the belt, raise the vehicle and remove the right underbody guard. If necessary, turn the crankshaft using the bolt of its pulley.
2. Feel the belt with your fingers along its entire length, checking for cracks and delamination (see illustrations). Also check the belt for any scuffs or polished areas. The belt should be inspected from both sides, which means it needs to be twisted. At the same time, make sure that there is no rust, cracks or burrs on the pulleys. The presence of shallow perpendicular cracks on the working surface of the belt is allowed. If these cracks do not extend beyond the boundaries of one rib, are not very deep and their number does not exceed 15 per 10 cm of the belt length, there is no need to replace the belt.
18.2a. Wear of the edges of the drive belt ribs
18.2b. Transverse cracks (D) on the back side of the belt and delamination of the ribs (E)
18.2c. Fraying of side ribs (F), cracks (H) and delamination of side ribs (G)
18.2d. Rib separation (J), cracks (K)
18.2e. Timing belt damage A. Cracks in the coating, transverse fractures; B. Lateral wear; C. Cord wear; D. Cracks on the teeth
3. Make sure that the belt is correctly positioned on the pulleys and gears.
4. Replace the drive belt if necessary (see Chapter 2).
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5. The tension is checked using a special device.