Acura RSX Honda Integra. Manual — part 28
01
S6M6A11A14100012901LAAT00
Exploded View - K20A3 Engine
4-48
Charging System
Alternator Overhaul
BEARING RETAINER
FRONT BEARING
DRIVE-END HOUSING
PULLEY LOCKNUT
PULLEY
TERMINAL INSULATOR
REAR HOUSING
ASSEMBLY
REAR BEARING
ROTOR
−
−
02
03
04
05
Special Tools Required
Alternator Disassembly
4-49
A
C
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 4-39).
2. Remove the alternator (see page 4-46).
3. Remove the four through bolts.
4. Heat the rear bearing seat with a 1,000 W hair drier
for about 5 minutes (129
140 °F, 50
60 °C).
5. Separate the rear housing from the drive-end
housing by inserting a flat tip screwdriver into the
openings and prying them apart.
NOTE: Be careful not to damage the stator with the
tip of the screwdriver.
6. Separate the rear housing (A) and drive-end
housing (B) with the stator (C) attached to the rear
housing.
(cont’d)
06
07
08
09
4-50
Charging System
Alternator Overhaul (cont’d)
7. If you are not replacing the front bearing and/or
rear bearing, go to step 15. Clamp the rotor in a
soft-jawed vise, then remove the pulley locknut.
8. Remove the rotor using a puller as shown.
9. Inspect the rotor shaft for scoring, and inspect the
bearing journal surface in the drive-end housing for
seizure marks.
• If either the rotor or drive-end housing is
damaged, replace the alternator.
• If both the rotor and the drive-end housing are
OK, go to step 10.
10. Remove the rear bearing using the puller as shown.
11. Use a hand press to install the new rear bearing.
Apply pressure only on the inner race to avoid
damaging the bearing.
10
11
12
13
Alternator Brush Inspection
Alternator Brush Length
Standard (New): 15.5 mm (0.61 in.)
Service Limit:
1.5 mm (0.06 in.)
4-51
07749-0010000
07746-0010300
12. Remove the front bearing retainer plate.
13. Support the drive-end housing in a vise, and drive
out the front bearing with a brass drift and hammer.
14. With a hammer and the special tools, install a new
front bearing in the drive-end housing.
15. Measure the length of both brushes with vernier
calipers.
• If either brush is shorter than the service limit,
replace the rear housing assembly.
• If brush length is OK, go to step 16.
(cont’d)
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