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vii. Remove parking gear from output shaft.
viii. Remove seal rings from output shaft.
44. Remove needle bearing from transmission case.
45. Remove revolution sensor from transmission case.
CAUTION:
Do not subject it to impact by dropping or hitting it.
Do not disassemble.
Do not allow metal filings, etc., to get on the sensor's
front edge magnetic area.
Do not place in an area affected by magnetism.
46. Remove reverse brake snap ring (fixing plate) using 2 flat-
bladed screwdrivers.
NOTE:
Press out snap ring from the transmission case oil pan side gap
using a flat-bladed screwdriver, and remove it using a another
screwdriver.
47. Remove reverse brake retaining plate from transmission case.
Check facing for burns, cracks or damage. If necessary,
replace the plate.
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AT-312
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48. Remove N-spring from transmission case.
49. Remove reverse brake drive plates, driven plates and dish
plates from transmission case.
Check facing for burns, cracks or damage. If necessary,
replace the plate.
50. Remove snap ring (fixing spring retainer) using a flat-bladed
screwdriver.
51. Remove spring retainer and return spring from transmission
case.
52. Remove seal rings from drum support.
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53. Remove needle bearing from drum support edge surface.
54. Remove reverse brake piston from transmission case with com-
pressed air. Refer to AT-292, "
Oil Channel" .
CAUTION:
Care should be taken not to abruptly blow air. It makes pis-
tons incline, as the result, it becomes hard to disassemble
the pistons.
55. Remove D-rings from reverse brake piston.
56. Use a pin punch [4 mm (0.16 in) dia. commercial service tool] to
knock out retaining pin.
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10. Install servo assembly in transmission case.
11. Using a pair of snap ring pliers, install snap ring to transmission
case.
12. Install D-rings in reverse brake piston.
CAUTION:
Do not reuse D-rings.
Apply ATF to D-rings.
13. Install reverse brake piston in transmission case.
14. Install needle bearing to drum support edge surface.
CAUTION:
Apply petroleum jelly to needle bearing.
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15. Install seal rings to drum support.
CAUTION:
Do not reuse seal rings.
Apply petroleum jelly to seal rings.
16. Install spring retainer and return spring in transmission case.
17. Set the SST on spring retainer and install snap ring (fixing spring
retainer) in transmission case while compressing return spring.
CAUTION:
Securely assemble them using a flat-bladed screwdriver so
that snap ring tension is slightly weak.
18. Install reverse brake drive plates, driven plates and dish plates
in transmission case.
CAUTION:
Take care with order of plates.
Snap ring (1)
Retaining plate (2)
Drive plate (3)
Driven plate (4)
Dish plate (5)
Drive plate/Driven plate: 6/6
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19. Assemble N-spring.
20. Install reverse brake retaining plate in transmission case.
21. Install snap ring in transmission case.
22. Measure clearance between retaining plate and snap ring. If not
within specified clearance, select proper retaining plate.
23. Install needle bearing to transmission case.
CAUTION:
Take care with the direction of needle bearing. Refer to
AT- 2 9 5 , "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .
Apply petroleum jelly to needle bearing.
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Specified clearance A
Standard: 0.7 - 1.1mm (0.028 - 0.043 in)
Retaining plate
Refer to AT- 3 6 7 , "
Reverse Brake" .
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27. Install needle bearing in drum support.
CAUTION:
Take care with the direction of needle bearing. Refer to
AT- 2 9 5 , "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .
Apply petroleum jelly to needle bearing.
28. Install direct clutch assembly in reverse brake.
CAUTION:
Make sure that drum support edge surface and direct clutch
inner boss edge surface come to almost same place.
29. Install high and low reverse clutch assembly in direct clutch.
30. Using a flat-bladed screwdriver, align the drive plate.
31. Install high and low reverse clutch hub, mid sun gear assembly
and rear sun gear assembly as a unit.
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40. Install band servo anchor end pin and lock nut in transmission
case.
CAUTION:
Do not reuse band servo anchor end pin.
41. Install brake band in transmission case.
CAUTION:
Assemble it so that identification to avoid incorrect installa-
tion faces servo side.
42. Install front sun gear to front carrier assembly.
CAUTION:
Apply ATF to front sun gear bearing and 3rd one-way clutch
end bearing.
43. Install needle bearing to front sun gear.
CAUTION:
Apply petroleum jelly to needle bearing.
44. Adjust brake band tilting using a clip so that brake band contacts
front sun gear drum evenly.
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