clutch INFINITI QX56 2009 Factory Service Manual

TM-260
< DISASSEMBLY AND ASSEMBLY >
REPAIR FOR COMPONENT PARTS
3. Remove high and low reverse clutch hub from mid sun gearassembly.
a. Remove needle bearing from high and low reverse clutch hub.
4. Remove rear sun gear assembly from mid sun gear assembly.
a. Remove snap ring from rear sun gear using suitable tool.
SCIA2856E
SCIA2857E
SCIA2858E
SCIA2859E
Revision: December 20092009 QX56

REPAIR FOR COMPONENT PARTSTM-261
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
b. Remove 1st one-way clutch from rear sun gear.
5. Remove seal rings from mid sun gear.
INSPECTION
High and Low Reverse Clutch Hub Snap Ring, Rear Sun Gear Snap Ring
 Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the snap ring.
1st One-way Clutch
 Check frictional surface for wear or damage.CAUTION:
If necessary, replace the 1st one-way clutch.
Mid Sun Gear
 Check for deformation, fatigue or damage.CAUTION:
If necessary, replace the mid sun gear.
Rear Sun Gear
 Check for deformation, fatigue or damage.CAUTION:
If necessary, replace the rear sun gear.
High and Low Reverse Clutch Hub
 Check for deformation, fatigue or damage.CAUTION:
If necessary, replace the high and low reverse clutch hub.
ASSEMBLY
SCIA4633E
SCIA2861E
Revision: December 20092009 QX56

TM-262
< DISASSEMBLY AND ASSEMBLY >
REPAIR FOR COMPONENT PARTS
1. Install new seal rings to mid sun gear.CAUTION:
 Do not reuse seal rings.
 Apply petroleum je lly to seal rings.
2. Install 1st one-way clutch to rear sun gear. CAUTION:
Apply petroleum jelly to 1st one-way clutch.
3. Install snap ring to rear sun gear using suitable tool.
4. Install rear sun gear assembly to mid sun gear assembly.
5. Install needle bearing to high and low reverse clutch hub. CAUTION:
 Take care with the direction of needle bearing. Refer to
TM-229, "Location of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings".
 Apply petroleum jelly to needle bearing.
SCIA2861E
SCIA4633E
SCIA2859E
SCIA2858E
SCIA2857E
Revision: December 20092009 QX56

REPAIR FOR COMPONENT PARTSTM-263
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
6. Install high and low reverse clutch hub to mid sun gear assem- bly.
7. Install snap ring to mid sun gear assembly using suitable tool. CAUTION:
Do not expand snap ring excessively.
8. Check operation of 1st one-way clutch.
a. Hold mid sun gear and turn rear sun gear.
b. Check 1st one-way clutch for correct locking and unlocking directions.
CAUTION:
If not as shown, check installa tion direction of 1st one-way
clutch.
9. Install needle bearing and bearing races to high and low reverse clutch hub.
CAUTION:
 Apply petroleum jelly to needle bearing and bearingraces.
 Take care with order of bearing races.
High and Low Reverse ClutchINFOID:0000000004187494
COMPONENTS
SCIA2856E
SCIA2855E
SCIA3132E
SCIA5238E
Revision: December 20092009 QX56

TM-264
< DISASSEMBLY AND ASSEMBLY >
REPAIR FOR COMPONENT PARTS
DISASSEMBLY
1. Remove bearing race from high and low reverse clutch drum.
2. Remove snap ring from high and low reverse clutch drum usingsuitable tool.
3. Remove drive plates, driven plates and retaining plate from high and low reverse clutch drum.
INSPECTION
Check the following, and re place high and low reverse clutch assembly if necessary.
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.
ASSEMBLY
1. High and low reverse clutch drum 2. Driven plate 3. Retaining plate
4. Snap ring 5. Drive plate 6. Bearing race
SCIA5239E
SCIA5240E
SCIA2868E
Revision: December 20092009 QX56

REPAIR FOR COMPONENT PARTSTM-265
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
1. Install drive plates, driven plates and retaining plate in high and low reverse clutch drum.
CAUTION:
Take care with the order of plates.
2. Install snap ring in high and low reverse clutch drum using suit- able tool.
3. Install bearing race to high and low reverse clutch drum. CAUTION:
Apply petroleum jelly to bearing race.
Direct ClutchINFOID:0000000004187495
COMPONENTS
SCIA5241E
SCIA2868E
SCIA5240E
Revision: December 20092009 QX56

TM-266
< DISASSEMBLY AND ASSEMBLY >
REPAIR FOR COMPONENT PARTS
DISASSEMBLY
1. Remove snap rings from direct clutch drum using suitable tool.
2. Remove drive plates, driven plates and retaining plate fromdirect clutch drum.
INSPECTION
Check the following, and replace direct clutch assembly if necessary.
Direct Clutch Snap Rings
 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.
ASSEMBLY
1. Direct clutch drum 2. Driven plate 3. Retaining plate
4. Snap ring 5. Drive plate
SCIA5242E
SCIA2868E
Revision: December 20092009 QX56

REPAIR FOR COMPONENT PARTSTM-267
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
1. Install drive plates, driven plates and retaining plate in direct clutch drum.
CAUTION:
Take care with the order of plates.
2. Install snap rings in direct clutch drum using suitable tool.
SCIA5243E
SCIA2868E
Revision: December 20092009 QX56

ASSEMBLYTM-277
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
35. 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.
36. Install needle bearing in drum support. CAUTION:
Apply petroleum jelly to needle bearing.
37. Install high and low reverse clutch assembly in direct clutch.
38. Align the drive plate using suitable tool.
39. Install high and low reverse clutch hub, mid sun gear assembly and rear sun gear assembly as a unit.
SCIA5019E
SCIA5198E
SCIA2306E
SCIA3169E
SCIA5018E
Revision: December 20092009 QX56

TM-278
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
CAUTION:
Make sure that portion “A” of high and low reverse clutch
drum protrudes approximately 2 mm (0.08 in) beyond por-
tion “B” of rear sun gear.
40. Install needle bearing in rear carrier assembly. CAUTION:
Apply petroleum jelly to needle bearing.
41. Install bearing race in rear carrier assembly. CAUTION:
Apply petroleum jelly to bearing race.
42. Install rear carrier assembly in direct clutch drum.
SCIA3130E
SCIA2803E
SCIA5175E
SCIA2462E
Revision: December 20092009 QX56