Honda Odyssey 2004. Manual — part 29
*07
*08
09
Rectifier Test
4-36
Charging System
Alternator Overhaul (cont’d)
A
07749-0010000
07746-0010300
B’
A
B
B
B
B
C
B’
C
B
B
B
B
A
1
1
2
3
4
1
4
3
2
1
16. Support the stator housing in a vise, and drive out
the front bearing with a brass drift (A) and hammer.
17. With a hammer and the special tools, install a new
front bearing in the stator housing.
18. Check for continuity in each direction, between the
B terminal (A) and P terminals (B), and between the
E terminal (C) and P terminals (B) of each diode pair.
All diodes should have continuity in only one
direction. Because the rectifier diodes are designed
to allow current to pass in one direction, and the
rectifier is made up of eight diodes (four pairs), you
must test each diode in both directions for
continuity with an ohmmeter that has diode
checking capability: a total of 16 checks.
• If any diode failed, replace the rectifier assembly.
(Diodes are not available separately.)
• If all the diodes are OK, go to step 19.
03/07/29 09:08:13 61S0X050_040_0036
*09
*10
*11
Alternator Brush Inspection
Alternator Brush Length
Standard (New): 10.5 mm (0.41 in.)
Service Limit:
1.5 mm (0.06 in.)
Rotor Slip Ring test
Stator Test
4-37
A
B
A
B
C
A
B
19. Measure the length of both brushes (A) with a
vernier caliper (B).
• If either brush is shorter than the service limit,
replace the brush assembly.
• If the brush length is OK, go to step 20.
20. Check that there is continuity between the slip rings
(A).
• If there is continuity, go to step 21.
• If there is no continuity, replace the alternator.
21. Check that there is no continuity between each slip
ring (A) and the rotor (B) and the rotor shaft (C).
• If there is no continuity, go to step 22.
• If there is continuity, replace the alternator.
22. Check that there is continuity between each pair of
leads (A).
• If there is continuity, go to step 23.
• If there is no continuity, replace the alternator.
23. Check for no continuity between each lead and the
coil core (B).
• If there is no continuity, go to step 24.
• If there is continuity, replace the alternator.
24. Reassemble the alternator in reverse order of
disassembly, and note these items:
• Be careful not to get any grease or oil on the slip
rings.
• If you removed the pulley, tighten its locknut to
111 N·m (11.3 kgf·m, 81.7 lbf·ft) when you
reinstall it.
03/07/29 09:08:14 61S0X050_040_0037
01
S0X4AZAA14100012901LAAT00
Exploded View - 2002-2004 models
4-38
Charging System
Alternator Overhaul (cont’d)
REAR BEARING
ROTOR
BEARING RETAINER
FRONT BEARING
DRIVE-END HOUSING
PULLEY
PULLEY LOCKNUT
REAR HOUSING ASSEMBLY
BRUSH HOLDER
ASSEMBLY
TERMINAL INSULATOR
END COVER
REAR BEARING COVER
SEAL RING
SEAL RING
03/07/29 09:08:15 61S0X050_040_0038
*01
*02
*03
*04
Special Tools Required
4-39
A
B
A
B
A
B
• Driver 07749-0010000
• Attachment, 42 x 47 mm 07746-0010300
NOTE: Refer to the Exploded View as needed during
this procedure.
1. Test the alternator and regulator before you
remove them (see page 4-22).
2. Remove the alternator (see page 4-27).
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.
4. Remove the three flange nuts and the insulator
from the alternator.
5. Remove the end cover (A) and seal ring (B).
6. Remove the brush holder (A) and seal ring (B).
(cont’d)
03/07/29 09:08:16 61S0X050_040_0039
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