2004 INFINITI QX56 Ins

REPAIR FOR COMPONENT PARTS
AT-303
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Revision: August 20072004 QX56
CAUTION:
If necessary, replace the high and low reverse clutch hub.
ASSEMBLY
1. Install 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. Using a flat-bladed screwdriver, install snap ring to rear sun
gear.
4. Install rear sun gear assembly to mid sun gear assembly.
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AT-304
REPAIR FOR COMPONENT PARTS
Revision: August 20072004 QX56
5. Install needle bearing to high and low reverse clutch hub.
CAUTION:

Take care with the direction of needle baering. Refer to
AT- 2 7 1 , "
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. Using a snap ring pliers, install snap ring to mid sun gear
assembly.
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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REPAIR FOR COMPONENT PARTS
AT-305
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Revision: August 20072004 QX56
High and Low Reverse ClutchUCS002JO
COMPONENTS
DISASSEMBLY
1. Remove bearing race from high and low reverse clutch drum.
2. Using a flat-bladed screwdriver, remove snap ring from high and
low reverse clutch drum.
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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AT-306
REPAIR FOR COMPONENT PARTS
Revision: August 20072004 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. Using a flat-bladed screwdriver, install snap ring in high and low
reverse clutch drum.
3. Install bearing race to high and low reverse clutch drum.
CAUTION:
Apply petroleum jelly to bearing race.
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REPAIR FOR COMPONENT PARTS
AT-307
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Revision: August 20072004 QX56
Direct ClutchUCS002J P
COMPONENTS
DISASSEMBLY
1. Using a flat-bladed screwdriver, remove snap rings from direct
clutch drum.
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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AT-308
REPAIR FOR COMPONENT PARTS
Revision: August 20072004 QX56
ASSEMBLY
1. Install drive plates, driven plates and retaining plate in direct
clutch drum.
CAUTION:
Take care with the order of plates.
2. Using a flat-bladed screwdriver, install snap rings in direct clutch
drum.
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ASSEMBLY
AT-309
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Revision: August 20072004 QX56
ASSEMBLYPFP:00000
Assembly (1)UCS002JQ
1. As shown in the right figure illustration, 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.
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
mounting bolt to the specified torque. Refer to AT-261, "
Compo-
nents" .
3. Install manual shaft to transmission case.
4. Install parking rod to manual plate.
5. Install manual plate (with parking rod) to manual shaft.
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AT-310
ASSEMBLY
Revision: August 20072004 QX56
6. Install retaining pin into the manual plate and manual shaft.
a. Fit pinhole of the manual plate to pinhole of the manual shaft
with a pin punch.
b. Use a hammer to tap the retaining pin into the manual plate.
CAUTION:

Drive retaining pin to 2±0.5 mm over the manual
plate.

Do not reuse retaining pin.
7. Install retaining pin into the transmission case and manual shaft.
a. Fit pinhole of the transmission case to pinhole of the manual
shaft with a pin punch.
b. Use a hammer to tap the retaining pin into the transmission
case.
CAUTION:

Drive retaining pin to 5±1 mm over the transmis-
sion case.

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

Do not reuse O-rings.

Apply petroleum jelly to O-rings.
9. Install return spring to servo assembly.
10. Install servo assembly in transmission case.
11. Using snap ring pliers, install snap ring to transmission case.
12. Install D-rings in reverse brake piston.
CAUTION:

Do not reuse D-rings.

Apply ATF to D-rings.
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