Infiniti QX4 (R50). Manual — part 70
Removal
NBAT0214
SAT362IA
SAT163K
CAUTION:
When removing the A/T assembly from engine, first remove
the crankshaft position sensor (OBD) from the A/T assembly
lower side.
Be careful not to damage sensor edge.
— 4WD MODEL —
NBAT0214S01
1.
Remove battery negative terminal.
2.
Remove exhaust front and rear tubes.
3.
Remove fluid charging pipe from A/T assembly.
4.
Remove oil cooler pipe from A/T assembly.
5.
Plug up openings such as the fluid charging pipe hole, etc.
6.
Remove propeller shaft. Refer to PD-4, “Components”.
7.
Remove transfer control linkage from transfer. Refer to TF-119,
“Removal”.
I
Insert plug into rear oil seal after removing rear propeller
shaft.
I
Be careful not to damage spline, sleeve yoke and rear oil
seal.
8.
Remove A/T control cable from A/T assembly.
9.
Disconnect A/T solenoid, PNP switch, turbine revolution, revo-
lution and speedometer sensor harness connectors.
SAT148K
10. Remove starter motor. Refer to SC-18, “Removal and Installa-
tion”.
11. Remove bolts securing torque converter to drive plate.
I
Remove the bolts by turning crankshaft.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REMOVAL AND INSTALLATION
Removal
AT-277
SAT801C
12. Support A/T and transfer assembly with a jack.
13. Remove rear engine mounting member from body and A/T
assembly. Tighten rear engine mounting member to the speci-
fied torque. Refer to EM-59, “Rear Engine Mounting”.
14. Remove bolts securing A/T assembly to engine.
I
Secure torque converter to prevent it from dropping.
I
Secure A/T assembly to a jack.
15. Lower A/T assembly with transfer.
SAT553J
SAT544J
— 2WD MODEL —
NBAT0214S02
CAUTION:
I
Do not attach lifting cable to or place supporting fixture
under companion flange at rear of A/T (shown in the fig-
ure at left) when lifting/lowering A/T.
I
Be sure to attach lifting cable to rear engine mounting or
dynamic damper location when lifting/lowering A/T.
1.
Remove battery negative terminal.
2.
Remove exhaust front and rear tubes.
3.
Remove fluid charging pipe from A/T assembly.
4.
Remove oil cooler pipe from A/T assembly.
5.
Plug up openings such as the fluid charging pipe hole, etc.
6.
Remove propeller shaft. Refer to PD-4, “Components”.
7.
Remove A/T control cable from A/T assembly.
8.
Disconnect A/T and speedometer sensor harness connectors.
9.
Remove starter motor. Refer to SC-18, “Removal and Installa-
tion”.
10. Remove gusset and rear plate cover securing engine to A/T
assembly.
11. Remove bolts securing torque converter to drive plate.
I
Remove the bolts by turning crankshaft.
12. Support A/T assembly with a jack.
13. Remove rear engine mounting member from body and A/T
assembly. Tighten rear engine mounting member to the speci-
fied torque. Refer to EM-59, “Rear Engine Mounting”.
14. Remove bolts securing A/T assembly to engine.
15. Pull A/T assembly backwards.
I
Secure torque converter to prevent it from dropping.
I
Secure A/T assembly to a jack.
16. Lower A/T assembly.
SAT977H
Installation
NBAT0107
I
Drive plate runout
Maximum allowable runout:
Refer to EM-70, “FLYWHEEL/DRIVE PLATE RUNOUT”.
If this runout is out of specification, replace drive plate with ring
gear.
REMOVAL AND INSTALLATION
Removal (Cont’d)
AT-278
SAT017B
I
When connecting torque converter to transmission, measure
distance “A” to be certain that they are correctly assembled.
Distance “A”:
25.0 mm (0.984 in) or more
SAT148K
I
Install converter to drive plate.
I
After converter is installed to drive plate, rotate crankshaft
several turns and check to be sure that transmission
rotates freely without binding.
SAT149K
I
Tighten bolts securing transmission.
Bolt No.
Tightening torque
N·m (kg-m, ft-lb)
Bolt length “
”
mm (in)
1
70 - 80 (7.1 - 8.2, 52 - 59)
65 (2.56)
2
70 - 80 (7.1 - 8.2, 52 - 59)
55 (2.17)
3
29 - 39 (3.0 - 4.0, 22 - 29)
40 (1.57)
I
Reinstall any part removed.
SAT638A
I
Check fluid level in transmission.
I
Move selector lever through all positions to be sure that trans-
mission operates correctly.
With parking brake applied, rotate engine at idling. Move selec-
tor lever through “N” to “D”, to “2”, to “1” and to “R” positions.
A slight shock should be felt by hand gripping selector each
time transmission is shifted.
I
Perform road test. Refer to “ROAD TEST”, AT-63.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REMOVAL AND INSTALLATION
Installation (Cont’d)
AT-279
AIR BREATHER HOSE
NBAT0107S01
SAT152K
SAT153K
REMOVAL AND INSTALLATION
Installation (Cont’d)
AT-280
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