Honda CR-V: Alternator Removal and Installation

Removal

1. Make sure you have the anti-theft code for the audio system and the navigation system (if equipped), then write down the XM radio presets.

2. Disconnect the negative cable from the battery first, then disconnect the positive cable.

3. Remove the drive belt.

4. Remove the drive belt auto-tensioner.

5. Remove the three bolts securing the alternator.

Honda CR-V. Charging System

6. Disconnect the alternator connector (A), BLK wire (B), and harness clamp (C) from the alternator, then remove the alternator.

Honda CR-V. Charging System

Installation

1. Connector the alternator connector (A), BLK wire (B), and harness clamp (C) to the alternator.

Honda CR-V. Charging System

2. Tighten the three bolts securing the alternator.

Honda CR-V. Charging System

3. Install the drive belt auto-tensioner.

4. Install the drive belt.

5. Connect the positive cable to the battery first, then connect the negative cable.

6. Enter the anti-theft code for the audio system and the navigation system (if equipped), then enter the XM radio presets.

7. Set the clock.

Alternator Overhaul

Exploded View

Honda CR-V. Charging System

Special Tools Required

NOTE: Refer to the Exploded View as needed during this procedure.

1. Test the alternator and regulator before you remove them.

2. Remove the alternator.

3. If the front bearing needs replacing, remove the pulley locknut with a 10 mm wrench (A) and a 22 mm wrench (B). If necessary, use an impact wrench.

Honda CR-V. Charging System

4. Remove the harness stay and the three flange nuts from the alternator.

Honda CR-V. Charging System

5. Remove the end cover.

Honda CR-V. Charging System

6. Remove the brush holder.

Honda CR-V. Charging System

7. Remove the four bolts, then remove the rear housing assembly (A), and washer (B).

Honda CR-V. Charging System

8. If you are not replacing the front bearing, go to step 13. Remove the rotor from the drive end housing.

Honda CR-V. Charging System

9. Inspect the rotor shaft for scoring, and inspect the bearing journal surface in the drive end housing for seizure marks.

10. Remove the front bearing retainer plate.

Honda CR-V. Charging System

11. Drive out the front bearing with a brass drift and hammer.

Honda CR-V. Charging System

12. With a hammer, driver, and attachment, install a new front bearing in the drive end housing.

Honda CR-V. Charging System

Alternator Brush Inspection

13. Measure the length of both brushes (A) with vernier calipers (B).

Alternator Brush Length

Standard (New): 10.5 mm (0.41 in.) Service Limit: 1.5 mm (0.06 in.)

Honda CR-V. Charging System

Rotor Slip Ring Test

14. Check for continuity between the slip rings (A).

Honda CR-V. Charging System

15. Check for continuity between each slip ring and the rotor (B) and the rotor shaft (C).

Alternator Reassembly

16. If you removed the pulley, put the rotor in the drive end housing, then tighten its locknut to 110 N*m (11.2 kgf*m, 81.0 Ibf*ft).

17. Remove any grease or any oil from the slip rings.

18. Put the rear housing assembly and drive end housing/rotor assembly together, tighten the four through bolts.

19. Push the brushes (A) in, then insert a pin or drill bit (B) (about 1.6 mm (0.06 in.) diameter) to hold them there.

Honda CR-V. Charging System

20. Install the brush holder, and pull out the pin.

Honda CR-V. Charging System

21. Install the end cover.

22. After assembling the alternator, turn the pulley by hand to make sure the rotor turns smoothly and without noise.

23. Install the alternator and drive belt.

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