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AT-320
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
4. Remove end bearing (2) from forward one-way clutch (3).(1): Forward clutch hub
5. Remove forward one-way clutch from forward clutch hub.
INSPECTION
Rear Internal Gear and Forward Clutch Hub
Check rubbing surfaces for wear or damage. Replace if necessary.
(1): Rear internal gear
(2): Forward clutch hub
End Bearings and Forward One-way Clutch
• Check end bearings (1) for deformation and damage. Replace if
necessary.
• Check forward one-way clutch (2) for wear and damage. Replace if
necessary.
ASSEMBLY
SCIA7026E
SAT255D
SCIA5881J
SCIA7027E
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REPAIR FOR COMPONENT PARTSAT-321
< SERVICE INFORMATION >
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1. Install forward one-way clutch on forward clutch hub. CAUTION:
Be careful with the directi on of forward one-way clutch.
2. Install end bearing (2) on forward one-way clutch (3). (1): Forward clutch hub
3. Install thrust washer on rear internal gear. CAUTION:
Align pawls of thrust washer with holes of rear internal
gear.
4. Install end bearing (1) on rear internal gear (2).
5. Install forward clutch hub on rear internal gear. CAUTION:
• Check operation of forward one-way clutch.
Hold rear internal gear and turn forward clutch hub.
Check forward clutch hub for correct locking and unlock-
ing directions.
• If not as shown, check the instal lation direction of forward
one-way clutch.
SAT976H
SCIA7026E
SCIA3690E
SCIA7028E
AAT426
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AT-322
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
Output Shaft, Output Gear, Idler Gear, Reduction Pinion Gear and Bearing Retainer
INFOID:0000000005928300
COMPONENTS
HR16DE engine models
SCIA5883J
1. Idler gear 2. Idler gear bearing 3. Reduction pinion gear adjusting
shim
4. Reduction pinion gear bearing 5. Reduction pinion gear 6. Output shaft bearing
7. Seal ring 8. Bearing retainer 9. Output shaft
10. Seal ring 11. Output gear adjusting spacer 12. Output gear bearing
13. Output gear 14. Lock nut
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REPAIR FOR COMPONENT PARTSAT-323
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MR18DE engine models
DISASSEMBLY
1. Remove seal rings (1) from output shaft (2) and bearing retainer (3).
• HR16DE engine models
SCIA7944E
1. Lock nut 2. Idler gear3. Idler gear bearing
4. Reduction pinion gear adjusting shim 5. Reduction pinion gear bearing 6. Reduction pinion gear
7. Seal ring 8. Snap ring9. Radial needle bearing
10. Bearing retainer 11. Thrust needle bearing 12. Seal ring
13. Output shaft 14. Output shaft bearing15. Output shaft adjusting shim
JPDIA0288ZZ
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AT-324
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
• MR18DE engine models
2. Remove output shaft bearing according to the following procedures.
a. HR16DE engine models
i. Set output shaft bearing inner race (1) on suitable tool (A) and set suitable tool (B) on output shaft (2), and oress output shaft to
remove output shaft bearing inner race.
CAUTION:
• Set a suitable tool (A) on output shaft bearing inner race.
ii. Set Tool (A) on output shaft bearing outer race, and remove out- put shaft bearing outer race from bearing retainer (1).
b. MR18DE engine models
i. Remove output shaft bearing from output shaft with suitable tools.
CAUTION:
• Always replace bearing with a new one when removed
• Do not damage output shaft.
3. Remove output gear bearing (HR16DE engine models) or radial bearing (MR18DE engine models) according to the following
procedures.
a. HR16DE engine models
SCIA7992E
SCIA7041E
Tool number A: KV381054S0 (J-34286)
SCIA7993E
SAT165F
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REPAIR FOR COMPONENT PARTSAT-325
< SERVICE INFORMATION >
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i. Insert suitable tool (A) between the mating surfaces of output gear (1) and output gear bearing inner race (2), and enlarge the
gap.
CAUTION:
Be careful not to damage output gear (1).
ii. Set suitable tool (B) on output gear (1), and remove output gear bearing inner race (2) with a suitable tool (C) as shown.
iii. Set Tool (A) on output gear bearing outer race (1), and remove output gear bearing outer race from bearing retainer (2).
b. MR18DE engine models
i. Remove snap ring (1) using suit able tool from bearing retainer
(2).
ii. Remove radial needle bearing from bearing retainer (1) using Tool (A).
SCIA7042E
SCIA7043E
JSDIA0241ZZ
Tool number A: KV381054S0 (J-34286)
SCIA7993E
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AT-326
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
4. Insert a suitable tool (A) between the mating surfaces of idlergear (1) and idler gear bearing inner race (2), and enlarge the
gap.
CAUTION:
Be careful not to damage idler gear (1).
5. Set suitable tool (B) on idler gear (1), and remove idler gear bearing inner race (2) with a suitable tool (C) as shown.
6. Remove idler gear bearing outer race from transaxle case using Tool.
7. Set Tool (A) to reduction pinion gear bearing inner race, press out reduction pinion gear bearing inner race from reduction pin-
ion gear.
8. Remove reduction pinion gear bearing outer race from transaxle case.
INSPECTION
Output Shaft, Idler Gear and Reduction Pinion Gear
Check for wear, damage or crack. Replace if necessary.
Bearings
SCIA7044E
Tool number : KV381054S0 (J-34286)
SCIA5390E
Tool number A: ST30031000 (J-22912-01)
SCIA7994E
SAT651D
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REPAIR FOR COMPONENT PARTSAT-327
< SERVICE INFORMATION >
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• Make sure bearings roll freely and are free from noise, cracks, pit- ting or wear. Replace if necessary.
CAUTION:
When replacing taper roller bearing, replace outer and inner
race as a set.
Seal Ring Clearance
• Install new seal rings (1) to output shaft (2) and bearing retainer (3).
- HR16DE engine models
- MR18DE engine models
• Measure clearance (A) between each seal ring and ring groove of output shaft. If not within allowable limit,replace output shaft.
• Measure clearance (A) between seal ring and ring groove of bearing retainer. If not within allowable limit,
replace bearing retainer.
ASSEMBLY
SPD715
SCIA7045E
SAT652D
Standard clearance and allowable limit:
Refer to AT-379, "
Output Shaft".
Standard clearance and allowable limit: Refer to AT-379, "
Bearing Retainer".
Revision: May 2010 2011 Versa