Infiniti M45 (Y34). Manual — part 107
ON-VEHICLE SERVICE
AT-313
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
Remove oil pan and oil pan gasket.
5.
Remove magnets from oil pan.
6.
Check foreign materials in oil pan to help determine causes of
malfunction. If the A/T fluid is very dark, smells burned, or con-
tains foreign particles, the frictional material (clutches, band)
may need replacement. A tacky film that will not wipe clean indi-
cates 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-16, "A/T Fluid Cooler Cleaning"
.
7.
Disconnect terminal cord assembly connectors.
CAUTION:
Be careful not to damage connector.
8.
Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
SCIA2308E
SCIA5200E
SCIA5199E
SCIA3976E
SCIA4967E
AT-314
ON-VEHICLE SERVICE
9.
Remove terminal cord assembly connectors from bracket.
CAUTION:
Be careful not to damage connector.
10. Disconnect revolution sensor connector.
CAUTION:
Be careful not to damage connector.
11. Straighten terminal clips to free terminal cord assembly and rev-
olution sensor harness then remove terminal clips.
CAUTION:
Hang down terminal cord assembly and revolution sensor
harness toward outside so as not to disturb removal of con-
trol valve assembly.
12. Remove bolts A, B and C from control valve assembly.
13. Remove control valve assembly from transmission case.
CAUTION:
When removing, be careful with the manual valve notch and
manual plate height. Remove it vertically.
SCIA3977E
SCIA2313E
SCIA2314E
Bolt symbol
Length mm (in)
Number of bolts
A
42 (1.65)
5
B
55 (2.17)
6
C
40 (1.57)
1
SCIA2312E
SCIA3984E
ON-VEHICLE SERVICE
AT-315
D
E
F
G
H
I
J
K
L
M
A
B
AT
14. Remove A/T fluid temperature sensor 2 with bracket from con-
trol valve assembly.
15. Remove bracket from A/T fluid temperature sensor 2.
INSTALLATION
CAUTION:
After completing installation, check A/T fluid leakage and A/T fluid level. Refer to
,
1.
Install A/T fluid temperature sensor 2 in bracket.
2.
Install A/T fluid temperature sensor 2 in control valve assembly.
(With bracket.)
SCIA5126E
SCIA5127E
SCIA5128E
: 7.9 N·m (0.81 kg-m, 70 in-lb)
SCIA5126E
AT-316
ON-VEHICLE SERVICE
3.
Install control valve assembly.
a.
Install control valve assembly in transmission case.
CAUTION:
●
Make sure that turbine revolution sensor securely installs
turbine sensor hole.
●
Hang down terminal cord assembly and revolution sen-
sor harness toward outside so as not to disturb installa-
tion of control valve assembly.
●
Assemble it so that manual valve cutout is engaged with
manual plate projection.
b.
Install bolts A, B and C in control valve assembly.
c.
Tighten bolt 1, 2 and 3 temporarily to prevent dislocation. After
that tighten them in order (1
→
2
→
3), and then tighten other
bolts.
SCIA2479E
SCIA3984E
Bolt symbol
Length mm (in)
Number of bolts
A
42 (1.65)
5
B
55 (2.17)
6
C
40 (1.57)
1
SCIA2312E
: 7.9 N·m (0.81 kg-m, 70 in-lb)
SCIA3170E
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