2007 INFINITI FX35 ECU

ON-VEHICLE SERVICE AT-249
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Revision: 2006 July 2007 FX35/FX45
1. Install A/T fluid temperature sensor 2 to bracket.
2. Install A/T fluid temperature sensor 2 (with bracket) in control
valve with TCM, and then tighten A/T fluid temperature sensor 2
mounting bolt to the specified torque. Refer to AT- 2 3 9 , "
COM-
PONENTS" .
3. Connect A/T fluid temperature sensor 2 connector (1).
4. Securely fasten A/T fluid temperature sensor 2 harness with ter- minal clip ( ).
5. Install oil pan to transmission case.
a. Install oil pan gasket to oil pan. CAUTION:

Do not reuse oil pan gasket.

Install it in the direction to align hole positions.

Completely remove all moisture, oil and old gasket, etc. from oil pan mounting surface.
b. Install oil pan (3) (with oil pan gasket), clips (2) and brackets (1) (VK45DE) to transmission case.

: Vehicle front

: Bolt (22)
CAUTION:

Install it so that drain plug (4) comes to the position as
shown in the figure.

Be careful not to pinch harnesses.

Completely remove all moisture, oil and old gasket, etc.
from oil pan mounting surface.
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AT-262
ON-VEHICLE SERVICE
Revision: 2006 July 2007 FX35/FX45
INSTALLATION
CAUTION:
After completing installation, check A/T position, A/T fluid leakage and A/F fluid level. Refer to AT- 2 3 1 ,
"Checking of A/T Position" , AT- 1 3 , "Checking A/T Fluid" .
1. Install revolution sensor in transmission case, and then tighten revolution sensor mounting bolt to the specified torque. Refer to
AT- 2 5 9 , "
COMPONENTS" .
CAUTION:

Do not subject it to impact by dropping or hitting it.

Do not disassemble.

Do not allow metal filings, etc. to get on the sensor's front
edge magnetic area.

Do not place in an area affected by magnetism.
2. Connect revolution sensor connector.
3. Securely fasten revolution sensor harness with clip.
4. Apply recommended sealant (Genuine Anaerobic Liquid Gasket or equivalent. Refer to GI-48, "
Recommended Chemical Prod-
ucts and Sealants" .) to rear extension assembly as shown in
the figure.
CAUTION:
Completely remove all moisture, oil and old sealant, etc.
from transmission case and rear extension assembly
mounting surfaces.
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TRANSMISSION ASSEMBLY AT-267
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Revision: 2006 July 2007 FX35/FX45
10. Remove crankshaft position sensor (POS) from A/T assembly.
CAUTION:

Do not subject it to impact by dropping or hitting it.

Do not disassemble.

Do not allow metal filings, etc. to get on the sensor's front
edge magnetic area.

Do not place in an area affected by magnetism.
11. Remove starter motor. Refer to SC-19, "
Removal and Installa-
tion [VQ35DE Engine Models (2WD)]" .
12. Remove fluid cooler tube.
13. Remove rear plate cover. Refer to EM-30, "
Removal and Instal-
lation (2WD Models)" .
14. Remove rear cover plate. Refer to EM-30, "
Removal and Installation (2WD Models)" .
15. Turn crankshaft, and remove the four tightening bolts for drive plate and torque converter.
CAUTION:
When turning crankshaft, turn it clockwise as viewed from
the front of the engine.
16. Support A/T assembly with a transmission jack. CAUTION:
When setting the transmission jack, be careful not to allow
it to collide against the drain plug.
17. Remove rear engine mounting member with power tool.
18. Remove engine mounting insulator (rear).
19. Remove air breather hose. Refer to AT- 2 6 4 , "
Removal and Installation" .
20. Disconnect A/T assembly harness connector.
21. Remove A/T fluid charging pipe from A/T assembly.
22. Remove O-ring from A/T fluid charging pipe.
23. Plug up openings such as the A/T fluid charging pipe hole, etc.
24. Remove bolts fixing A/T assembly to engine assembly with power tool.
25. Remove A/T assembly from vehicle with a transmission jack.

Secure torque converter to prevent it from dropping.

Secure A/T assembly to a transmission jack.
INSPECTION
Installation and Inspection of Torque Converter

After inserting a torque converter to a A/T, be sure to check dis-
tance “A” to ensure it is within the reference value limit.
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Distance “A” : 25.0 mm (0.98 in) or more
SAT017B

AT-272
TRANSMISSION ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
26. Remove A/T assembly with transfer from vehicle.

Secure torque converter to prevent it from dropping.

Secure A/T assembly to a jack.
27. Remove transfer from A/T assembly. Refer to TF-44, "
Removal
and Installation" .
INSPECTION
Installation and Inspection of Torque Converter

After inserting a torque converter to a A/T, be sure to check dis-
tance “A” to ensure it is within the reference value limit.
INSTALLATION
Install the removed parts in the reverse order of the removal, while paying attention to the following work.

When installing A/T assembly to the engine assembly, attach the fixing bolts in accordance with the follow-
ing standard.
For VQ35DE models
For VK45DE models
*1 : No.2 bolt also secures A/T fluid charging pipe and washer.
*2 : No.4 bolt also secures bracket.
(A) : A/T to engine
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Distance “A”
VQ35DE models : 25.0 mm (0.98 in) or more
VK45DE models : 22.0 mm (0.87 in) or more
SAT017B
Bolt No. 1 2 3 4
Number of bolts 1 5 2 1
Bolt length
“ ”mm (in) 55 (2.17) 65 (2.56) 35 (1.38) 40 (1.57)
Tightening torque
N·m (kg-m, ft-lb) 75
(7.7, 55) 47
(4.8, 35) 34
(3.5, 25)
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Bolt No. 1 2*134*2
Number of bolts 4141
Bolt length mm (in) 70 (2.76) 70 (2.76) 65 (2.56) 70 (2.76)
Tightening torque
N·m (kg-m, ft-lb) 11 3
(12, 83) 74.0
(7.5, 55) 11 3
(12,83)
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DISASSEMBLY AT-297
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Revision: 2006 July 2007 FX35/FX45
15. Loosen lock nut and remove band servo anchor end pin from
transmission case.
16. Remove brake band from transmission case.

To prevent brake linings from cracking or peeling, do not
stretch the flexible band unnecessarily. When removing
the brake band, always secure it with a clip as shown in
the figure at right.
Leave the clip in position after removing the brake band.

Check brake band facing for damage, cracks, wear or
burns.
17. Remove mid carrier assembly and rear carrier assembly as a unit.
18. Remove mid carrier assembly from rear carrier assembly.
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AT-338
ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
14. Install needle bearing to drum support edge surface.
CAUTION:

Take care with the direction of needle bearing. Refer to
AT- 2 9 1 , "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .

Apply petroleum jelly to needle bearing.
15. Install seal rings to drum support. CAUTION:

Do not reuse seal rings.

Apply petroleum jelly to seal rings.
16. Install spring retainer and return spring in transmission case.
17. Set the SST on spring retainer and install snap ring (fixing spring retainer) in transmission case while compressing return spring.
CAUTION:
Securely assemble them using a flat-bladed screwdriver so
that snap ring tension is slightly weak.
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ASSEMBLY AT-355
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Revision: 2006 July 2007 FX35/FX45
g. Install control valve with TCM in transmission case.
CAUTION:

Make sure that turbine revolution sensor securely installs
turbine revolution sensor hole.

Hang down revolution sensor harness toward outside so
as not to disturb installation of control valve with TCM.

Adjust A/T assembly harness connector of control valve
with TCM to terminal hole of transmission case.

Assemble it so that manual valve cutout is engaged with
manual plate projection.
h. Install bolts A, B and C to control valve with TCM.

: Front
i. Tighten bolt 1, 2 and 3 temporarily to prevent dislocation. After that tighten them in order (1 → 2 → 3), and then tighten other
bolts to the specified torque. Refer to AT- 2 7 4 , "
Components" .

: Front
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Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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AT-356
ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
10. Connect A/T fluid temperature sensor 2 connector (1).
11. Securely fasten terminal cord assembly and A/T fluid tempera- ture sensor 2 harness with terminal clips ( ).
12. Connect revolution sensor connector.
13. Securely fasten revolution sensor 2 harness with terminal clip.
14. Pull down A/T assembly harness connector. CAUTION:
Be careful not to damage connector.
15. Install snap ring to A/T assembly harness connector.
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