General information
1. The operations for removing and installing a multi-rib drive belt are in most cases similar for all engines, the differences are determined only by the variants of the tension roller arrangement and the associated features.
Note: The procedure for removing the tensioner/roller is described in Section 8.
2. The multi-rib belt is designed to drive auxiliary units such as the generator, water pump and air conditioner pump unit. Depending on the engine model and configuration, the number of drive units may vary, and accordingly the belt length will be different - be careful when buying a new belt for your car. Before removing the belt, it is recommended to draw a diagram of its tension.
3. If the belt is to be reused, mark it with a marker before removing it from the pulleys (in the form of an arrow) to determine the direction of rotation of the multi-rib belt during subsequent installation.
Note: The belt rotates clockwise when viewed from the belt drive side of the engine.
If a previously used belt is installed without observing the direction of rotation, it will be subject to increased wear and tear and will quickly fail.
Engines Z10XE/Z10XEP/Z12XE/Z14XEP
1. Disconnect the cable from the negative terminal of the battery (see Chapter 5), remove the air cleaner (see Chapter 4) and the right front wheel.
2. Remove the multi-rib belt cover, on Corsa-Eco models, in addition, it is necessary to remove the engine crankcase protection (see Section 5).
3. Remove the right engine mount (see Section 5).
4. To loosen the multi-rib belt, use the center bolt of the tension roller (see accompanying illustration), for which, using a special key KM-6131, press the roller in the direction of the arrow and fix it with the locking rod KM-6130. Then remove the belt.
7.4. Loosening the Multi-Rib Belt Tension (using the example of the Z10XEP engine with a CV)
5. When installing, place the multi-ribbed belt on the drive pulleys. Using a wrench, lightly press the tension roller in the direction of the arrow (see illustration 7.4) and remove the locking rod. Then slowly turn the key clockwise - the multi-rib belt will be tightened.
6. Install all removed components and lower the vehicle onto its wheels.
Engines Z13DT/Z14XE/Z16XE/Z16SE/Z17DT/Z17DTL/Z17DTH/Z18XE
Note: On these engines, removal of the right engine mount, air cleaner and front wheel is not required.
7. On the Z18XE engine, first unscrew the 3 screws and remove the air guide sleeve, and then the multi-rib belt cover (see accompanying illustration).
7.7. Fastening bolts (1) rivet (2) of the multi-rib belt cover and screws (indicated by arrows) air guide hose mounts on Z18XE engine
8. On Z14XE/Z16XE/Z16SE/Z18XE/Z17DT/Z17DTL/Z17DTH engines, the center bolt of the tension roller is used to loosen the multi-rib belt (see accompanying illustration), for which, using a regular wrench (15 mm) or a KM-913-A wrench, press the roller in the direction of the arrow and fix it with a KM-6130 locking rod. Then remove the belt.
7.8. After squeezing the tension roller using the KM-913-A key (2), fix the tensioner with the special KM-6130 device (1) (using the Z18XE engine as an example)
Note: On some 1.7L engine versions the roller lock is not provided. After removing the belt, slowly loosen the roller tension and remove the key from the tensioner.
9. Removing the multi-rib belt on Z13DT engines is done in a similar manner, but a different special key is used to loosen it (see illustration 7.9a). The method of fixing the roller using the KM-6130 rod is shown in Illustration 7.9b.
7.9a. Releasing the tension of the multi-rib belt (1) of the Z13DT diesel engine: 2. Special key |
7.9b. Fixing the tension roller of the multi-rib belt with the locking rod KM-6130 (3) on the Z13DT engine |
10. The procedure for installing the multi-rib belt is given in paragraphs 5 and 6 (see above).

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