How to Change an Alternator Bearing on a 2003 Honda Civic 1.5 EXI

This article covers how to change the alternator bearings on a Honda.

Difficulty: Moderate

Instructions

Things You'll Need:

• Hand tools
• Long paper clip
• Pullers
• Hammer
• Bearing/bushing drivers

1. 

   Remove the four through bolts.

2. 

   Heat the rear bearing with a 1000 watt hair drier for about five minutes. Looking to heat it to about 130 degrees.

3. 

   Mark the housing halves with a scratch using a screwdriver. Then use two screwdrivers to carefully pry the halves apart. Be careful not to damage the stator with the tip of the screwdriver.

4. 

   Clamp the rotor in a soft jawed vice and remove the pulley nut.

5. 

   Remove the rotor using a puller.

6. 

   Remove the rear bearing with a puller

7. 

   Use a hand type press to install new rear bearing. Apply pressure only to the inner race.

8. 

   Next remove the front bearing retainer plate.

9. 

   Drive out the front bearing with a brass punch and a hammer.

10. 

    Using a hammer and the bearing/bushing driver, drive the new front bearing into the housing.

11. 

    Reinstall the front bearing plate.

12. 

    Reinstall the front pulley nut and torque to 80 ft. lbs.

13. 

    Straighten the long paperclip out until perfectly straight. Push the brushes back in and insert the long paperclip to hold them into place.

14. 

    Reassemble the two halves and reinsert the four through bolts. Then remove the long paperclip. Turn alternator by hand and check to make sure it rotates freely and smoothly.

Tips & Warnings

• Do not damage stator with screwdriver.