Page 5377 of 5598
MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB
TM-289
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
8. Remove seal rings from mid sun gear.
AssemblyINFOID:0000000006226934
1. Install seal rings to mid sun gear.
2. Install 2nd one-way clutch to rear sun gear.
3. Install snap ring to rear sun gear using a flat-bladed screwdriver. CAUTION:
Be careful not to scratch rear sun gear and 2nd one-way
clutch.
Be careful not to damage snap ring.
SCIA2861E
SCIA2861E
JSDIA1817ZZ
SCIA2859E
Revision: 2010 May2011 QX56
Page 5378 of 5598
TM-290
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
MID SUN GEAR, REAR SUN GEAR,
HIGH AND LOW REVERSE CLUTCH HUB
4. Install rear sun gear assembly to mid sun gear assembly.
5. Install needle bearing to high and low reverse clutch hub.
CAUTION:
Check the direction of need le bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
6. Install high and low reverse clutch hub to mid sun gear assem- bly.
7. Install snap ring to mid sun gear assembly using pair of snap ring pliers.
CAUTION:
Be careful not to exp and snap ring excessively.
8. Check operation of 2nd one-way clutch.
SCIA7018E
SCIA2857E
SCIA2856E
SCIA2855E
Revision: 2010 May2011 QX56
Page 5379 of 5598
![INFINITI QX56 2011 Factory Service Manual
MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB
TM-291
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
a. Hold mid sun gear and turn rear sun gear.
b. Ch INFINITI QX56 2011 Factory Service Manual
MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB
TM-291
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
a. Hold mid sun gear and turn rear sun gear.
b. Ch](/manual-img/42/57033/w960_57033-5378.png)
MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB
TM-291
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
a. Hold mid sun gear and turn rear sun gear.
b. Check 2nd one-way clutch for correct locking and unlocking directions.
CAUTION:
If not as shown in the figure, check installation direction of
2nd one-way clutch.
9. Install needle bearing and bearing races to high and low reverse clutch hub.
CAUTION:
Check the direction of needle bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
InspectionINFOID:0000000006226935
INSPECTION AFTER REMOVAL
2nd One-way Clutch
1. Hold mid sun gear and turn rear sun gear.
2. Check 2nd one-way clutch for correct locking and unlocking
directions. If necessary, replace 2nd one-way clutch.
High and Low Reverse Clutch Hub Snap Ring, Rear Sun Gear Snap Ring
Check for deformation, fatigue or damage. If necessary, replace the snap ring.
2nd One-way Clutch
Check frictional surface for wear or damage. If necessary, replace the 2nd one-way clutch.
Mid Sun Gear
Check for deformation, fatigue or damage. If necessary, replace the mid sun gear.
Rear Sun Gear
Check for deformation, fatigue or damage. If necessary, replace the rear sun gear.
High and Low Reverse Clutch Hub
Check for deformation, fatigue or damage. If nece ssary, replace the high and low reverse clutch hub.
SCIA3132E
SCIA5238E
SCIA3132E
Revision: 2010 May2011 QX56
Page 5380 of 5598
TM-292
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
HIGH AND LOW REVERSE CLUTCH
HIGH AND LOW REVERSE CLUTCH
Exploded ViewINFOID:0000000006226936
DisassemblyINFOID:0000000006226937
1. Remove bearing race from high and low reverse clutch drum.
2. Remove snap ring from high and low reverse clutch drum using
a flat-bladed screwdriver.
CAUTION:
Be careful not to scratch high and low reverse clutchdrum.
Be careful not to damage snap ring.
3. Remove drive plates, driven plates and retaining plate from high and low reverse clutch drum.
1. High and low reverse clutch drum 2. High and low reverse clutch driven
plate3. High and low reverse clutch retaining
plate
4. Snap ring 5. High and low reverse clutch drive plate6. Bearing race
SCIA5239E
SCIA5215E
SCIA2868E
Revision: 2010 May2011 QX56
Page 5381 of 5598
![INFINITI QX56 2011 Factory Service Manual
HIGH AND LOW REVERSE CLUTCHTM-293
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
AssemblyINFOID:0000000006226938
1. Install high and low reverse clutch drive plates, INFINITI QX56 2011 Factory Service Manual
HIGH AND LOW REVERSE CLUTCHTM-293
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
AssemblyINFOID:0000000006226938
1. Install high and low reverse clutch drive plates,](/manual-img/42/57033/w960_57033-5380.png)
HIGH AND LOW REVERSE CLUTCHTM-293
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
AssemblyINFOID:0000000006226938
1. Install high and low reverse clutch drive plates, high and low reverse clutch driven plates, and high and low reverse clutch
retaining plate in high and low reverse clutch drum.
CAUTION:
Check the order of plates.
2. Install snap ring in high and low reverse clutch drum using a flat- bladed screwdriver.
CAUTION:
Be careful not to scratch high and low reverse clutch
drum.
Be careful not to damage snap ring.
3. Install bearing race to high and low reverse clutch drum. CAUTION:
Check the direction of needle bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
InspectionINFOID:0000000006226939
INSPECTION AFTER REMOVAL
Check the following items. If necessary, replace high and low reverse clutch assembly.
High and Low Reverse Clutch Snap Ring
Check for deformation, fatigue or damage.
High and Low Reverse Clutch Drive Plates
Check facing for burns, cracks or damage.
High and Low Reverse Clutch Retaining Plate and Driven Plates
Check facing for burns, cracks or damage.
1: Snap ring
2 : Retaining plate
3 : Drive plate (five pieces)
4 : Driven plate (five pieces)
SCIA7134E
SCIA2868E
SCIA5215E
Revision: 2010 May2011 QX56
Page 5382 of 5598
![INFINITI QX56 2011 Factory Service Manual
TM-294
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
DIRECT CLUTCH
DIRECT CLUTCH
Exploded ViewINFOID:0000000006226940
DisassemblyINFOID:0000000006226941
1. Remove snap rings from direct clutch drum INFINITI QX56 2011 Factory Service Manual
TM-294
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
DIRECT CLUTCH
DIRECT CLUTCH
Exploded ViewINFOID:0000000006226940
DisassemblyINFOID:0000000006226941
1. Remove snap rings from direct clutch drum](/manual-img/42/57033/w960_57033-5381.png)
TM-294
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
DIRECT CLUTCH
DIRECT CLUTCH
Exploded ViewINFOID:0000000006226940
DisassemblyINFOID:0000000006226941
1. Remove snap rings from direct clutch drum using a flat-bladed
screwdriver.
CAUTION:
Be careful not to scratch direct clutch drum and direct
clutch retaining plate.
Be careful not to damage snap ring.
2. Remove direct clutch drive plates, direct clutch driven plates, direct clutch retaining plate and direct clutch dish plate from
direct clutch drum.
AssemblyINFOID:0000000006226942
1. Install direct clutch drive plates, direct clutch driven plates, directclutch retaining plate and direct clutch dish plate in direct clutch
drum.
CAUTION:
Check the order of plates.
1. Direct clutch drum 2. Direct clutch driven plate 3. Direct clutch retaining plate
4. Snap ring 5. Direct clutch drive plate 6. Direct clutch dish plate
SCIA6983E
SCIA2868E
1: Snap ring
2 : Retaining plate
3 : Drive plate (six pieces)
4 : Driven plate (six pieces)
5 : Dish plate
SCIA6951E
Revision: 2010 May2011 QX56
Page 5383 of 5598
DIRECT CLUTCHTM-295
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
2. Install snap rings in direct clutch drum using a flat-bladed screw- driver.
CAUTION:
Be careful not to scratch direct clutch drum and direct
clutch retaining plate.
Be careful not to damage snap ring.
InspectionINFOID:0000000006226943
INSPECTION AFTER REMOVAL
Check the following items. If necessary, replace direct clutch assembly.
Direct Clutch Snap Ring
Check for deformation, fatigue or damage.
Direct Clutch Drive Plates
Check facing for burns, cracks or damage.
Direct Clutch Retaining Plate and Driven Plates
Check facing for burns, cracks or damage.
SCIA2868E
Revision: 2010 May2011 QX56
Page 5384 of 5598
![INFINITI QX56 2011 Factory Service Manual
TM-296
< SERVICE DATA AND SPECIFICATIONS (SDS) [7AT: RE7R01B]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationIN INFINITI QX56 2011 Factory Service Manual
TM-296
< SERVICE DATA AND SPECIFICATIONS (SDS) [7AT: RE7R01B]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationIN](/manual-img/42/57033/w960_57033-5383.png)
TM-296
< SERVICE DATA AND SPECIFICATIONS (SDS) [7AT: RE7R01B]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000006226944
*1: Refer to
MA-10, "Fluids and Lubricants".
*2: The fluid capacity is the reference value.
Vehicle Speed at Which Gear Shifting OccursINFOID:0000000006226945
NORMAL MODE
Unit: km/h (MPH)
At half throttle, the accelerator opening is 4/8 of the full opening.
TOW MODE
Applied model 2WD 4WD
Transmission model code number 1XR1E 1XR1D
Stall torque ratio 1.93 : 1
Transmission gear ratio 1st 4.887
2nd 3.170
3rd 2.027
4th 1.412
5th 1.000
6th 0.864
7th 0.775
Reverse 4.041
Recommended fluid Genuine NISSAN Matic S ATF
*1
Fluid capacity10.0 liter (10-5/8 US qt, 8-3/4 Imp qt)*2
CAUTION:
Use only Genuine NISSAN Matic S ATF. Never mix with other ATF.
Using ATF other than Genuine NISSAN Matic S ATF will cause deterioration driveability and A/T durability, and may damage
the A/T, which is not covered by the INFINITI new vehicle limited warranty.
Gear position Throttle position
Full throttle Half throttle
D
1 → D256 – 60 (35 – 37) 42 – 46 (26 – 29)
D
2 → D389 – 97 (55 – 60) 73 – 81 (45 – 50)
D
3 → D4141 – 151 (88 – 94) 112 – 122 (70 – 76)
D
4 → D5205 – 215 (127 – 134) 134 – 144 (83 – 89)
D
5 → D6250 – 260 (155 – 162) 173 – 183 (108 – 114)
D
6 → D7250 – 260 (155 – 162) 206 – 216 (128 – 134)
D
7 → D6240 – 250 (149 – 155) 161 – 171 (100 – 106)
D
6 → D5240 – 250 (149 – 155) 130 – 140 (81 – 87)
D
5 → D4180 – 190 (112 – 118) 84 – 94 (52 – 58)
D
4 → D3126 – 136 (78 – 85) 58 – 68 (36 – 42)
D
3 → D266 – 74 (41 – 46) 30 – 38 (19 – 24)
D
2 → D123 – 27 (14 – 17) 10 – 14 (6 – 9)
Revision: 2010 May2011 QX56