2006 INFINITI QX56 clutch

AT-284
REPAIR FOR COMPONENT PARTS
Revision: November 20092006 QX56
3. Install new oil pump housing oil seal to the oil pump housing
until it is flush with the face of oil pump housing using Tool.
CAUTION:

Do not reuse oil seal.

Apply ATF to oil seal.
4. Install oil pump housing in oil pump cover. Tighten oil pump housing bolts to the specified torque. Refer to AT- 2 5 0 , "
Compo-
nents" .
Front Sun Gear, 3rd One-Way ClutchECS00EOD
COMPONENTS
DISASSEMBLY
1. Remove snap ring from front sun gear using suitable tool. Tool number : ST33400001 (J-26082)
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1. Front sun gear
2. 3rd one-way clutch 3. Snap ring
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Revision: November 2009 2006 QX56
2. Remove 3rd one-way clutch from front sun gear.
INSPECTION
3rd One-way Clutch

Check frictional surface for wear or damage.
CAUTION:
If necessary, replace the 3rd one-way clutch.
Front Sun Gear Snap Ring

Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the snap ring.
Front Sun Gear

Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the front sun gear.
ASSEMBLY
1. Install 3rd one-way clutch in front sun gear.
CAUTION:
Apply ATF to 3rd one-way clutch.
2. Install snap ring in front sun gear using suitable tool.
3. Check operation of 3rd one-way clutch.
a. Hold oil pump assembly and turn front sun gear.
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S C I A 3 111 E
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AT-286
REPAIR FOR COMPONENT PARTS
Revision: November 20092006 QX56
b. Check 3rd one-way clutch for correct locking and unlocking
directions.
CAUTION:
If not as shown, check installation direction of 3rd one-way
clutch.
Front Carrier, Input Clutch, Rear Internal GearECS00EOE
COMPONENTS
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Revision: November 2009 2006 QX56
DISASSEMBLY
1. Compress snap ring using suitable tool.
2. Remove front carrier assembly and input clutch assembly from
rear internal gear.
3. Remove front carrier assembly from input clutch assembly.
a. Remove bearing race from front carrier assembly.
b. Remove needle bearing from front carrier assembly.
c. Remove snap ring from front carrier assembly.
CAUTION:
Do not expand snap ring excessively.
1. Seal ring 2. O-ring3. Needle bearing
4. Bearing race 5. Front carrier assembly6. Needle bearing
7. Snap ring 8. Snap ring9. Retaining plate
10. Driven plate 11. Input clutch drum12. Drive plate
13. Rear internal gear
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AT-288
REPAIR FOR COMPONENT PARTS
Revision: November 20092006 QX56
4. Disassemble input clutch assembly.
a. Remove O-ring and seal rings from input clutch assembly.
b. Remove needle bearing from input clutch assembly.
c. Remove snap ring from input clutch drum using suitable tool.
d. Remove drive plates, driven plates and retaining plate from input
clutch drum.
INSPECTION
Front Carrier Snap Ring

Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the snap ring.
Input Clutch Snap Ring

Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the input clutch assembly.
Input Clutch Drum

Check for deformation, fatigue or damage or burns.
CAUTION:
If necessary, replace the input clutch assembly.
Input Clutch Drive Plates

Check facing for burns, cracks or damage.
CAUTION:
If necessary, replace the input clutch assembly.
Input Clutch Retaining Plate and Driven Plates

Check facing for burns, cracks or damage.
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CAUTION:
If necessary, replace the input clutch assembly.
Front Carrier Assembly

Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the front carrier assembly.
Rear Internal Gear

Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the rear internal gear.
ASSEMBLY
1. Install input clutch.
a. Install drive plates, driven plates and retaining plate in input
clutch drum.
CAUTION:
Take care with order of plates.
b. Install snap ring in input clutch drum using suitable tool.
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AT-290
REPAIR FOR COMPONENT PARTS
Revision: November 20092006 QX56
c. Install needle bearing in input clutch assembly.
CAUTION:
Apply petroleum jelly to needle bearing.
d. Install new O-ring and new seal rings in input clutch assembly. CAUTION:

Do not reuse O-ring and seal rings.

Apply ATF to O-ring.

Apply petroleum jelly to seal rings.
2. Install front carrier assembly.
a. Install snap ring to front carrier assembly. CAUTION:
Do not expand snap ring excessively.
b. Install needle bearing in front carrier assembly. CAUTION:

Take care with the direction of needle bearing. Refer to
AT- 2 6 0 , "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .

Apply petroleum jelly to needle bearing.
c. Install bearing race in front carrier assembly. CAUTION:
Apply petroleum jelly to bearing race.
d. Install front carrier assembly to input clutch assembly.
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Revision: November 2009 2006 QX56
3. Compress snap ring using suitable tool.
4. Install front carrier assembly and input clutch assembly to rear
internal gear.
Mid Sun Gear, Rear Sun Gear, High and Low Reverse Clutch HubECS00EOF
COMPONENTS
DISASSEMBLY
1. Remove needle bearing and bearing races from high and lowreverse clutch hub.
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1. Needle bearing 2. Bearing race3. Snap ring
4. High and low reverse clutch hub 5. Needle bearing 6. Snap ring
7. 1st one-way clutch 8. Rear sun gear9. Seal ring
10. Mid sun gear
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