The charging rate of the alternator should be checked when an alternator is charging the battery too much. The charging rate of the alternator should be checked when an alternator is not charging the battery enough. Make reference to the Specifications module in order to find all testing specifications for the alternators and regulators.
No adjustment can be made in order to change the rate of charge on the alternator regulators. If the rate of charge is not correct, a replacement of the regulator is necessary.
Tightening The Alternator Pulley Nut
Illustration 1 g01247292
Tools for tightening the alternator pulley nut
(1) 8T-9293 Torque Wrench
(2) 261-0444 Adapter
(3) 2P-8267 Hex Bit Socket
(4) 8H-8517 Combination Wrench (1-1/8 inch)
(5) 8T-5314 Adapter Socket
Tighten the nut that holds the pulley with the tools shown. Refer to the Specifications module for the torque.