Contents: Removal ↡ Belt tension ↡
Removal
Loosen the fan belt and remove it. Depending on the vehicle model, it may be necessary to first remove the fan belts of other accessories, such as the air conditioning compressor belt.
Engine type 110 with 55 A alternator
Loosen the nuts (1, 2, 3).
Turn the tension bolt on the front of the generator to the left and loosen the fan belt tension.
Caution: On vehicles with air conditioning, turn the tension bolt (4) to the right using a 6 mm square head screw (view along the arrow, if looking from below).
Engine type 110 with 80 A alternator
Loosen the nut (1) on the rear wall of the alternator.
Loosen the bolt (3).
Turn the tension bolt (4) to the left, thereby loosening the tension of the fan belt.
Belt tension
By turning the tension bolt to the right, move the alternator away from the engine, thereby tightening the fan belt.
in the workshop, the fan belt tension level is checked with a special tool. A new belt is tensioned to level 30, while a previously used belt is tensioned to level 20-25.
If there is no such tool, you should press the belt between the pulleys with your thumbs. The belt should bend by about 5 mm, otherwise you should adjust the tension again. You should check the degree of tension of the fan belt with a measuring device.
Tighten the mounting bolts and nuts.