Infiniti Q45. Manual — part 78
ON-VEHICLE SERVICE
AT-225
D
E
F
G
H
I
J
K
L
M
A
B
AT
ON-VEHICLE SERVICE
PFP:00000
Control Valve with TCM and A/T Fluid Temperature Sensor 2
NCS00119
COMPONENTS
1.
A/T
2.
Snap ring
3.
Sub-harness
4.
Control valve with TCM
5.
Bracket
6.
A/T fluid temperature sensor 2
7.
Oil pan gasket
8.
Oil pan
9.
Magnet
10. Drain plug
11.
Drain plug gasket
12. Oil pan mounting bolt
13. Terminal cord assembly
14. O-ring
SCIA5674E
AT-226
ON-VEHICLE SERVICE
CONTROL VALVE WITH TCM ASSEMBLY REMOVAL AND INSTALLATION
Removal
1.
Disconnect the battery cable from the negative terminal.
2.
Drain ATF through drain plug.
3.
Disconnect heated oxygen sensor 2 harness connector.
4.
Disconnect A/T assembly harness connector.
5.
Remove snap ring from A/T assembly harness connector.
6.
Push A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
7.
Remove oil pan and oil pan gasket.
8.
Check foreign materials in oil pan to help determine causes of
malfunction. If the ATF is very dark, smells burned, or contains
foreign particles, the frictional material (clutches, band) may
need replacement. A tacky film that will not wipe clean indicates
varnish build up. Varnish can cause valves, servo, and clutches
to stick and can inhibit pump pressure.
●
If frictional material is detected, perform A/T fluid cooler
cleaning. Refer to
AT-14, "A/T Fluid Cooler Cleaning"
SCIA5021E
SCIA5022E
SCIA2308E
SCIA5199E
ON-VEHICLE SERVICE
AT-227
D
E
F
G
H
I
J
K
L
M
A
B
AT
9.
Remove magnets from oil pan.
10. Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
11. Straighten terminal clips to free terminal cord assembly and A/T
fluid temperature sensor 2 harness.
12. Disconnect revolution sensor connector.
CAUTION:
Be careful not to damage connector.
13. Straighten terminal clip to free revolution sensor harness.
SCIA5200E
SCIA5023E
SCIA5446E
SCIA7518E
SCIA7525E
AT-228
ON-VEHICLE SERVICE
14. Remove bolts A, B and C from control valve with TCM.
15. Remove control valve with TCM from transmission case.
CAUTION:
When removing, be careful with the manual valve notch and
manual plate height. Remove it vertically.
16. Remove A/T fluid temperature sensor 2 with bracket from con-
trol valve with TCM.
17. Remove bracket from A/T fluid temperature sensor 2.
18. Remove O-ring from A/T assembly harness connector.
Bolt symbol
Length mm (in)
Number of bolts
A
42 (1.65)
5
B
55 (2.17)
6
C
40 (1.57)
1
SCIA5139E
SCIA5142E
SCIA5301E
SCIA5264E
SCIA5155E
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