Tensioning the alternator drivebelt

To refit, reverse the procedure for removal.

Tensioning the alternator drivebelt

• Slacken the alternator attachment bolts;
• insert a lever between the alternator and the motor to tension the belt;
• tighten the alternator attachment bolts;
• periodically check the tension, every 20,000 km. If the load is below 25 daN, reset the tension to 35 - 45 daN.

Replacing and checking tension of alternator belt

• Undo the alternator attachment bolts (see procedure on previous page);
• remove the engine rpm sensor;
• withdraw and replace the belt;
• check that the belt tension is 50 - 60 daN, measured using tool 1895762000;
• run the engine for 15 minutes, allow it to cool down for a further 15 minutes and check that the tension is 40 - 50 daN; if the tension is less, reset it to 50 - 60 daN.