How To Repair Ford Alternator

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Rebuilding an alternator is a fairly elementary process, which anyone with basic automotive noesis can accomplish. Although the construction of some brands volition vary slightly, the basic anatomy of an alternator consists of the aforementioned components.^[i] Follow these steps equally you acquire how to rebuild an alternator.

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1. 1

   Disconnect the battery leads.

2. ii

   Remove the air cleaner for easier to access the alternator.

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3. 3

   Marker the placement of the electrical leads before removing them.

4. 4

   Disconnect the electric leads. ^[ii]

5. 5

   Remove the vehicle's serpentine belt. ^[3]

6. 6

   Remove the mounting bolts and familiarize yourself with their placement.

7. seven

   Pull the alternator out.

8. viii

   Remove the plastic comprehend from the back of the unit of measurement by unscrewing it.

9. 9

   Audit the bearing. If it does not seem snug, or makes racket when information technology spins, it will have to be replaced.

10. x

    Replace the bearing, if necessary, before moving on.

11. 11

    Disengage the screw which holds the resistors in place.

12. 12

    Pay careful attending to the placement of each wire before disconnecting any.

13. 13

    Replace the rectifier by prying out the soldered leads and then disengage the mounting screws.

14. 14

    Pull the rectifier out.

15. fifteen

    Install the new rectifier by replacing the mounting screws. Solder the lead wires to reconnect them.

16. 16

    Reinstall the screw which separates the rectifier from the brush associates.

17. 17

    Supplant the brushes past first undoing the screws which hold each brush assembly in identify. Remove the brushes from their channels.

18. 18

    Make clean the expanse of the armature shaft that the brushes contact.

19. 19

    Assure that the spring for each new castor is direct at the dorsum, pushing into the brush slot. Install the replacement brushes.

20. xx

    Remove the voltage regulator by first removing the screw from the lesser brush assembly. Remove the screw that holds the lead into the grounding screw.

21. 21

    Install the replacement voltage regulator by replacing the screws mentioned in the previous pace.

22. 22

    Utilize an ohmmeter to assure that the diodes are receiving the proper electric current.

23. 23

    Replace the plastic cover every bit well equally both of the resistors.

24. 24

    Put the alternator dorsum in the vehicle.

25. 25

    Reconnect the electric leads assuring that you're installing them properly.

26. 26

    Replace the serpentine belt. ^[4]

27. 27

    Reinstall the air cleaner and verify that the belt tension and mounting bolts are right.

28. 28

    Inspect the heat shield at the back of the alternator to verify that information technology is properly installed.

29. 29

    Reinstall the bombardment leads.

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Add New Question

• Question

  Where do I buy the alternator kit for a 1997 BMW?

  

  If you know how to rebuild it, wait for the rebuild kit in your local car parts shop or go on motorcar-parts.com. You tin buy a used one with warranty for less than what you would pay for a new one or a remanufactured one.

• Question

  How do I fix the alternator of a 2004 Honda CRV?

  

  You're better off replacing your alternator instead of fixing information technology.

• Question

  What if it is not charging the battery?

  

  Remove ane of the battery terminals, if the auto turns off, most likely it's the alternator. If you lot can bulldoze it, go to the mechanic or auto parts store, they will most probable check information technology for gratuitous. The meter should read xiv amps while information technology's running, don't let them sell you an alternator and observe out later it was the battery.

• Question

  What alternator is used in a 1985 Chevy 305, small block?

  

  Whatsoever GM from 1979 to 1986, as long as the bolts line up like yours practice. If you can't find one, try car-parts.com, they ship right to your firm or you can pick it upwardly. You shouldn't have to pay more than about $25-35.

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Video

• When installing a new volt regulator, be sure to utilize thermal grease to the dorsum of the apparatus.

• You may notice it helpful to accept photos, or draw diagrams of, the electrical leads and mounting bolts. It is critical that they are properly reinstalled.

• Consult the owner's transmission for the specifics about your vehicle's alternator brand.

• Alternator parts are all fairly cheap at your local auto parts store.

• Be careful not to over torque the mail, which serves as the main lead, from the brush set. This could cause information technology to break.

• In some alternators, the rectifier will exist found pressed into the rear half of the alternator'south frame.

• Information technology may exist helpful to disconnect but 1 wire at a time in gild to replace them correctly.

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