Location of generator mounting bolts
A – generator adjusting bolt;
B – bolt for fastening the generator adjusting bar to the engine;
C and D – generator mounting bolts
The service life of the auxiliary drive belt depends on its correct tension. However, do not overtighten the auxiliary drive belt, as this may damage the generator bearings.
Check the condition of the belt along its entire length. If there is wear, fraying or cracks, the belt must be replaced. It is advisable to have a spare drive belt of the appropriate type in the car.
1. Loosen the generator upper mounting nut and the bracket mounting bolt, then, moving the generator toward the engine, loosen the auxiliary drive belt and remove it from the pulleys.
2. Install the auxiliary drive belt onto the pulleys and adjust its tension.
3. To adjust, loosen the upper generator mounting nut and bracket mounting bolt.
4. Using a block of wood, push the generator away from the engine and adjust the tension of the auxiliary drive belt.
5. After adjusting the tension, tighten the upper generator mounting nut and bracket mounting bolt.
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6. The belt tension is considered correct if, when pressing with your thumb on the middle of the belt branch itself between the generator and the crankshaft pulley or water pump, the belt deflection is 10 mm (left - on CVH engines, right - on OHV engines).