clutch INFINITI QX56 2007 Factory Service Manual

REPAIR FOR COMPONENT PARTS
AT-269
< SERVICE INFORMATION >
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3. Remove high and low reverse clutch hub from mid sun gear
assembly.
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

AT-270
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
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
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SCIA2861E

REPAIR FOR COMPONENT PARTS
AT-271
< SERVICE INFORMATION >
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1. Install new seal rings to mid sun gear.
CAUTION:
• Do not reuse seal rings.
• Apply petroleum jelly 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
AT-237, "
Location of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings".
• Apply petroleum jelly to needle bearing.
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AT-272
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
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 installation 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 bearing
races.
• Take care with order of bearing races.
High and Low Reverse ClutchINFOID:0000000003532491
COMPONENTS
SCIA2856E
SCIA2855E
SCIA3132E
SCIA5238E

REPAIR FOR COMPONENT PARTS
AT-273
< SERVICE INFORMATION >
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DISASSEMBLY
1. Remove bearing race from high and low reverse clutch drum.
2. Remove snap ring from high and low reverse clutch drum using
suitable tool.
3. Remove drive plates, driven plates and retaining plate from high
and low reverse clutch drum.
INSPECTION
•Check the following, and replace 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
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SCIA5240E
SCIA2868E

AT-274
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
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:0000000003532492
COMPONENTS
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SCIA2868E
SCIA5240E

REPAIR FOR COMPONENT PARTS
AT-275
< SERVICE INFORMATION >
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DISASSEMBLY
1. Remove snap rings from direct clutch drum using suitable tool.
2. Remove drive plates, driven plates and retaining plate from
direct 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

AT-276
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
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.
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SCIA2868E

AT-286
< SERVICE INFORMATION >
ASSEMBLY
36. Install direct clutch assembly in reverse brake.
37. Install high and low reverse clutch assembly in direct clutch
assembly.
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.
CAUTION:
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SCIA2306E
SCIA3169E
SCIA5018E

ASSEMBLY
AT-287
< SERVICE INFORMATION >
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Check that portion A of high and low reverse clutch drum
protrudes approximately 2 mm (0.08 in) beyond portion 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.
43. Install needle bearing (rear side) in mid carrier assembly.
CAUTION:
Apply petroleum jelly to needle bearing.
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SCIA2462E
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