Alternator - water pump drive belt

• Check that the values measured using the special tool are within the specified limits.

NOTE: The belt may be retensioned after a brief running-in period, as follows:

• bring the engine to normal operating temperature;
• turn off the engine and wait for it to cool down;
• retension the belt to the specified value.

• If the belt tensioning values are incorrect, proceed as follows:

1. Working from the engine compartment, slacken the three screws fastening the power steering pump support bracket.
2. Slacken the locknut, then turn the micrometric tensioner screw until the specified belt tension is obtained.
3. Tighten the micrometric belt tensioner locknut and the three screws fastening the power steering pump support bracket.

• To change the power steering pump drive belt, adapt the above-mentioned procedure appropriately.

Alternator - water pump drive belt

Checking and tensioning

• Set the car on a lift and raise it.

1. Proceeding as illustrated, measure the tension of the belt using tool no. 1.824.018.000 (C.2.0131).

• Check that the values measured using the special tool are within the specified limits.

NOTE: The belt may be retensioned after a brief running-in period, as follows:

• bring the engine to normal operating temperature;
• turn off the engine and wait for it to cool down;
• retension the belt to the specified value.

• If the belt tensioning values are incorrect, proceed as follows:

1. Slacken the two bolts fastening the alternator to the support brackets.
2. Slacken the locknut, then turn the micrometric tensioner screw until the specified belt tension is obtained.
3. Tighten the micrometric belt tensioner locknut and the two bolts fastening the alternator.

• To change the alternator - water pump drive belt, adapt the above-mentioned procedure appropriately.