2005 INFINITI QX4 Factory Service Manual

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Page 81 of 3419

INFINITI QX4 2005 Factory Service Manual AT-10
PREPARATION
Revision: October 20052005 QX56
PREPARATIONPFP:00002
Special Service ToolsECS00CDO
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated he

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INFINITI QX4 2005 Factory Service Manual PREPARATION
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—
(J-47002)
Transmission jack adapter kit
1. —
(J-47002-2)
Center bracket
2. —
(J-47002-3)
Adapter plate
3. —
(J-470

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INFINITI QX4 2005 Factory Service Manual AT-12
PREPARATION
Revision: October 20052005 QX56
Commercial Service ToolsECS00CDP
Tool nameDescription
Power toolLoosening bolts and nuts
DriftInstalling manual shaft seals
a: 22 mm (0.87 in) dia.
Dr

Page 84 of 3419

INFINITI QX4 2005 Factory Service Manual A/T FLUID
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Revision: October 20052005 QX56
A/T FLUIDPFP:KLE40
Changing A/T FluidECS00CDQ
Refer to MA-24, "Changing A/T Fluid" .
Checking A/T FluidECS0 0CD R
Refer to MA-

A/T FLUID
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Revision: October 20052005 QX56
A/T FLUIDPFP:KLE40
Changing A/T FluidECS00CDQ
Refer to MA-24, "Changing A/T Fluid" .
Checking A/T FluidECS0 0CD R
Refer to MA-22, "Checking A/T Fluid" .
A/T Fluid Cooler CleaningECS00CDS
Whenever an automatic transmission is repaired, overhauled, or replaced, the A/T fluid cooler mounted in the
radiator must be inspected and cleaned.
Metal debris and friction material, if present, can become trapped in the A/T fluid cooler. This debris can con-
taminate the newly serviced A/T or, in severe cases, can block or restrict the flow of A/T fluid. In either case,
malfunction of the newly serviced A/T may result.
Debris, if present, may build up as A/T fluid enters the cooler inlet. It will be necessary to back flush the cooler
through the cooler outlet in order to flush out any built up debris.
A/T FLUID COOLER CLEANING PROCEDURE
1. Position an oil pan under the automatic transmission's inlet and outlet cooler hoses.
2. Identify the inlet and outlet fluid cooler hoses.
3. Disconnect the fluid cooler inlet and outlet rubber hoses from the
steel cooler tubes or bypass valve.
NOTE:
Replace the cooler hoses if rubber material from the hose
remains on the tube fitting.
4. Allow any A/T fluid that remains in the cooler hoses to drain into
the oil pan.
5. Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999MP-AM006) into the cooler out-
let hose.
CAUTION:
Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.
Spray cooler cleaner only with adequate ventilation.
Avoid contact with eyes and skin.
Do not breath vapors or spray mist.
6. Hold the hose and can as high as possible and spray Transmis-
sion Cooler Cleaner in a continuous stream into the cooler outlet
hose until fluid flows out of the cooler inlet hose for 5 seconds.
7. Insert the tip of an air gun into the end of the cooler outlet hose.
8. Wrap a shop rag around the air gun tip and of the cooler outlet
hose.
SCIA3830E
SCIA3831E
SCIA3832E

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INFINITI QX4 2005 Factory Service Manual AT-14
A/T FLUID
Revision: October 20052005 QX56
9. Blow compressed air regulated to 5 - 9 kg/cm2 (70 - 130 psi) through the cooler outlet hose for 10 sec-
onds to force out any remaining fluid.
10. R

AT-14
A/T FLUID
Revision: October 20052005 QX56
9. Blow compressed air regulated to 5 - 9 kg/cm2 (70 - 130 psi) through the cooler outlet hose for 10 sec-
onds to force out any remaining fluid.
10. Repeat steps 5 through 9 three additional times.
11. Position an oil pan under the banjo bolts that connect the fluid cooler steel lines to the transmission.
12. Remove the banjo bolts.
13. Flush each steel line from the cooler side back toward the transmission by spraying Transmission Cooler
Cleaner in a continuous stream for 5 seconds.
14. Blow compressed air regulated to 5 - 9 kg/cm
2 (70 - 130 psi) through each steel line from the cooler side
back toward the transmission for 10 seconds to force out any remaining fluid.
15. Ensure all debris is removed from the steel cooler lines.
16. Ensure all debris is removed from the banjo bolts and fittings.
17. Perform AT-13, "
A/T FLUID COOLER CLEANING PROCEDURE" .
A/T FLUID COOLER DIAGNOSIS PROCEDURE
NOTE:
Insufficient cleaning of the cooler inlet hose exterior may lead to inaccurate debris identification.
1. Position an oil pan under the automatic transmission's inlet and outlet cooler hoses.
2. Clean the exterior and tip of the cooler inlet hose.
3. Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999MP-AM006) into the cooler out-
let hose.
CAUTION:
Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.
Spray cooler cleaner only with adequate ventilation.
Avoid contact with eyes and skin.
Do not breath vapors or spray mist.
4. Hold the hose and can as high as possible and spray Transmis-
sion Cooler Cleaner in a continuous stream into the cooler outlet
hose until fluid flows out of the cooler inlet hose for 5 seconds.
5. Tie a common white, basket-type coffee filter to the end of the
cooler inlet hose.
6. Insert the tip of an air gun into the end of the cooler outlet hose.
7. Wrap a shop rag around the air gun tip and end of cooler outlet
hose.
8. Blow compressed air regulated to 5 - 9 kg/cm
2 (70 - 130 psi)
through the cooler outlet hose to force any remaining A/T fluid
into the coffee filter.
9. Remove the coffee filter from the end of the cooler inlet hose.
10. Perform AT - 1 5 , "
A/T FLUID COOLER INSPECTION PROCE-
DURE" .
SCIA3831E
SCIA3833E
SCIA3834E

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INFINITI QX4 2005 Factory Service Manual A/T FLUID
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A/T FLUID COOLER INSPECTION PROCEDURE
1. Inspect the coffee filter for debris.
a. If small metal debris less than 1mm (0.040 i

Page 87 of 3419

INFINITI QX4 2005 Factory Service Manual AT-16
A/T CONTROL SYSTEM
Revision: October 20052005 QX56
A/T CONTROL SYSTEMPFP:31036
Cross-Sectional View (2WD models)ECS00CDT
1. Front planetary gear 2. Mid planetary gear 3. Rear planetary gear
4. D

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INFINITI QX4 2005 Factory Service Manual A/T CONTROL SYSTEM
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Revision: October 20052005 QX56
Cross-Sectional View (4WD models)ECS0 0CD U
1. Front planetary gear 2. Mid planetary gear 3. Rear planetary gear
4. D

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