INFINITI QX4 2005 Factory Service Manual

AT-290
REPAIR FOR COMPONENT PARTS
Revision: October 20052005 QX56
2. Remove snap ring from mid sun gear assembly, using suitable
tool.
CAUTION:
Do not expand snap ring excessively.
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.
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REPAIR FOR COMPONENT PARTS
AT-291
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Revision: October 20052005 QX56
a. Remove snap ring from rear sun gear, using suitable tool.
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.
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AT-292
REPAIR FOR COMPONENT PARTS
Revision: October 20052005 QX56
CAUTION:
If necessary, replace the high and low reverse clutch hub.
ASSEMBLY
1. Install new seal rings from 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.
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REPAIR FOR COMPONENT PARTS
AT-293
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Revision: October 20052005 QX56
5. Install needle bearing to high and low reverse clutch hub.
CAUTION:

Take care with the direction of needle bearing. Refer to
AT-260, "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .

Apply petroleum jelly to needle bearing.
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 in illustration, 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.
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AT-294
REPAIR FOR COMPONENT PARTS
Revision: October 20052005 QX56
High and Low Reverse ClutchECS00CLA
COMPONENTS
DISASSEMBLY
1. Remove bearing race from high and low reverse clutch drum.
2. Remove snap ring from high and low reverse clutch drum, using
flat-bladed screwdriver.
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.
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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REPAIR FOR COMPONENT PARTS
AT-295
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Revision: October 20052005 QX56
High and Low Reverse Clutch Retaining Plate and Driven Plates

Check facing for burns, cracks or damage.
ASSEMBLY
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 flat-
bladed screwdriver.
3. Install bearing race to high and low reverse clutch drum.
CAUTION:
Apply petroleum jelly to bearing race.
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AT-296
REPAIR FOR COMPONENT PARTS
Revision: October 20052005 QX56
Direct ClutchECS00CLB
COMPONENTS
DISASSEMBLY
1. Remove snap rings from direct clutch drum, using flat-bladed
screwdriver.
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.
1. Direct clutch drum 2. Driven plate 3. Retaining plate
4. Snap ring 5. Drive plate
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REPAIR FOR COMPONENT PARTS
AT-297
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Revision: October 20052005 QX56
ASSEMBLY
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 flat-bladed screw-
driver.
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AT-298
ASSEMBLY
Revision: October 20052005 QX56
ASSEMBLYPFP:00000
Assembly (1)ECS00CLC
1. Use a drift [commercial service tool φ22 mm (0.87 in)] to drive
manual shaft oil seals into the transmission case until it is flush
as shown.
CAUTION:

Apply ATF to manual shaft oil seals.

Do not reuse manual shaft oil seals.
2. Install detent spring and spacer in transmission case. Tighten
bolt to the specified torque. Refer to AT-250, "
Components" .
3. Install manual shaft to transmission case.
4. Install parking rod to manual plate.
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ASSEMBLY
AT-299
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Revision: October 20052005 QX56
5. Install manual plate (with parking rod) to manual shaft.
6. Install new retaining pin into the manual plate and manual shaft.
a. Fit pinhole of the manual plate to pinhole of the manual shaft
using suitable tool.
b. Tap the retaining pin into the manual plate, using suitable tool.
CAUTION:

Drive retaining pin to 2mm (0.8 in) over the manual plate.

Do not reuse retaining pin.
7. Install new retaining pin into the transmission case and manual
shaft.
a. Fit pinhole of the transmission case to pinhole of the manual
shaft using suitable tool.
b. Tap the new retaining pin into the transmission case, using suit-
able tool.
CAUTION:

Drive retaining pin to 5 mm (0.20 in) over the transmis-
sion case.

Do not reuse retaining pin.
8. Install new O-rings to servo assembly.
CAUTION:

Do not reuse O-rings.

Apply petroleum jelly to O-rings.
9. Install return spring to servo assembly.
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