In the article, we will consider the disassembly and assembly of the generator, as well as the replacement of generator parts

We remove the generator from the car, as described in the previous article

Mazda 6 car alternator repair

Unscrew the nut securing the alternator pulley, keeping the pulley from turning

Mazda 6 car alternator repair

Remove the pulley from the shaft

Apply marks on the generator body

We unscrew the bolts and, gently prying with a screwdriver, remove the cover of the diode bridge of the generator

Mazda 6 car alternator repair

Remove the insulator

Mazda 6 car alternator repair

Mazda 6 car alternator repair

Unscrew the mounting bolts and remove the brush holder with brushes

Mazda 6 car alternator repair

Mazda 6 car alternator repair

We unscrew the screw, bend the contact and remove the voltage regulator

Mazda 6 car alternator repair

Mazda 6 car alternator repair

We unscrew the fastening bolts and, prying with a screwdriver, remove the cover from the generator drive side

Mazda 6 car alternator repair

Remove the rotor

Mazda 6 car alternator repair

Check the resistance on the rotor windings by connecting the tester to slip rings

Resistance should be 3-5 ohms.

If the ohmmeter readings tend to infinity, there is a break in the windings. In this case, you need to replace the rotor

Mazda 6 car alternator repair

Checking the short circuit of the rotor winding to ground

We connect one probe of the tester to the pole piece of the rotor, and the other in turn to the slip rings

The measured resistance must be infinite, otherwise we replace the rotor

Mazda 6 car alternator repair

To replace the front bearing of the rotor, unscrew the screws securing the pressure plate

Mazda 6 car alternator repair

Remove the plate

Mazda 6 car alternator repair

Press the bearing out of the cover

Mazda 6 alternator repair

Using a mandrel of a suitable size, we press in the bearing

Install all parts in reverse order

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