2001 INFINITI QX4 02 sensor

SAT755I
20. Remove adapter case (4WD model only).
a. Remove adapter case from transmission case.
b. Remove adapter case gasket from transmission case.
SAT756I
c. Remove oil seal from adapter case.
IBe careful not to scratch adapter case.
IDo not remove oil seal unless it is to be replaced.
SAT556J
21. Remove revolution sensor from rear extension or adapter
case.
a. Remove O-ring from revolution sensor.
SAT960A
22. Remove output shaft and parking gear (4WD model only).
a. Remove rear snap ring from output shaft.
SAT957A
b. Slowly push output shaft all the way forward.
IDo not use excessive force.
c. Remove snap ring from output shaft.
DISASSEMBLY
AT-292

SAT676A
Pilot FilterNBAT0118S03ICheck to make sure that filter is not clogged or damaged.
SAT149G
Torque Converter Clutch Solenoid ValveNBAT0118S04ICheck that filter is not clogged or damaged.
IMeasure resistance. Refer to ªComponent Inspectionº, AT-152.
Line Pressure Solenoid ValveNBAT0118S05ICheck that filter is not clogged or damaged.
IMeasure resistance. Refer to ªComponent Inspectionº, AT-167.
SAT095B
3-Unit Solenoid Assembly (Overrun Clutch Solenoid
Valve and Shift Solenoid Valves A and B)
NBAT0118S06IMeasure resistance of each solenoid. Refer to ªComponent
Inspectionº, AT-171, AT-175 and AT-189.
SAT096BA
A/T Fluid Temperature Sensor and SwitchNBAT0118S07IMeasure resistance. Refer to ªComponent Inspectionº, AT-110
and AT-264.
SAT671A
ASSEMBLYNBAT01191. Install upper and lower bodies.
a. Place oil circuit of upper body face up. Install steel balls in their
proper positions.
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-304

SAT681A
b. Install reamer bolts from bottom of upper body.
SAT682A
c. Place oil circuit of lower body face up. Install orifice check
spring, orifice check valve and pilot filter.
SAT197B
d. Install lower separator plate on lower body.
e. Install and temporarily tighten support plates, A/T fluid tem-
perature sensor and tube brackets.
SAT198B
f. Temporarily assemble lower and upper bodies, using reamer
bolt as a guide.
IBe careful not to dislocate or drop steel balls, orifice
check spring, orifice check valve and pilot filter.
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REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-305

SAT952A
j. Install needle bearing onto rear internal gear.
IApply petroleum jelly to needle bearing.
SAT953A
k. Install bearing race onto rear of front internal gear.
IApply petroleum jelly to bearing race.
ISecurely engage pawls of bearing race with holes in front
internal gear.
SAT954A
l. Install front internal gear on transmission case.
SAT546J
5. Install rear extension assembly on transmission case (2WD
model only).
a. Install revolution sensor on rear extension.
b. Install rear extension gasket on transmission case.
c. Install parking rod on transmission case.
d. Install parking gear and needle bearing.
IInsert rear extension assembly into place while holding
parking gear and needle bearing by hand.
SAT216B
6. Install output shaft and parking gear (4WD model only).
a. Insert output shaft from rear of transmission case while slightly
lifting front internal gear.
IDo not force output shaft against front of transmission
case.
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ASSEMBLY
Assembly (1) (Cont'd)
AT-343

SAT757I
b. Install O-ring on revolution sensor.
IApply ATF to O-ring.
c. Install revolution sensor on adapter case.
SAT963A
d. Install adapter case gasket on transmission case.
SAT964A
e. Install parking rod on transmission case.
SAT755I
f. Install adapter case on transmission case.
SAT974A
8. Install front side clutch and gear components.
a. Install rear sun gear on transmission case.
IPay attention to its direction.
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ASSEMBLY
Assembly (1) (Cont'd)
AT-345

SAT001B
7. Install turbine revolution sensor.
8. Adjust brake band.
a. Tighten anchor end bolt to specified torque.
Anchor end bolt:
:4-6N´m(0.4 - 0.6 kg-m, 35 - 52 in-lb)
b. Back off anchor end bolt two and a half turns.
SAT002B
c. While holding anchor end bolt, tighten lock nut.
Ancher end bolt nut:
: 41 - 50 N´m (4.1 - 5.2 kg-m, 30 - 37 ft-lb)
SAT115B
9. Install terminal cord assembly.
a. Install O-ring on terminal cord assembly.
IApply petroleum jelly to O-ring.
b. Compress terminal cord assembly stopper and install terminal
cord assembly on transmission case.
SAT004BA
10. Install control valve assembly.
a. Install accumulator piston return springs B, C and D.
Free length of return springs:
Refer to SDS, AT-357.
SAT005B
b. Install manual valve on control valve.
IApply ATF to manual valve.
ASSEMBLY
Assembly (2) (Cont'd)
AT-352

SAT010B
j. Install torque converter clutch solenoid valve and A/T fluid tem-
perature sensor connectors.
SAT011B
11. Install oil pan.
a. Attach a magnet to oil pan.
SAT365I
b. Install new oil pan gasket on transmission case.
c. Install oil pan and bracket on transmission case.
IAlways replace oil pan bolts as they are self-sealing bolts.
IBefore installing bolts, remove traces of sealant and oil
from mating surface and thread holes.
ITighten four bolts in a criss-cross pattern to prevent dis-
location of gasket.
d. Tighten drain plug.
SAT299I
12. Install PNP switch.
a. Check that manual shaft is in ª1º position.
b. Temporarily install PNP switch on manual shaft.
c. Move manual shaft to ªNº.
SAT014B
d. Tighten bolts while inserting 4.0 mm (0.157 in) dia. pin verti-
cally into locating holes in PNP switch and manual shaft.
ASSEMBLY
Assembly (2) (Cont'd)
AT-354

Reverse Clutch Drum End PlayNBAT0170
Reverse clutch drum end play ªT2º 0.55 - 0.90 mm (0.0217 - 0.0354 in)
Thickness of oil pump thrust washerThickness mm (in) Part number*
0.9 (0.035)
1.1 (0.043)
1.3 (0.051)
1.5 (0.059)
1.7 (0.067)
1.9 (0.075)31528-21X01
31528-21X02
31528-21X03
31528-21X04
31528-21X05
31528-21X06
Removal and InstallationNBAT0171
Manual control linkageNumber of returning revolutions for lock nut 2
Lock nut tightening torque4.4 - 5.9 N´m
(0.45 - 0.60 kg-m, 39.1 - 52.1 in-lb)
Distance between end of converter housing and torque converter 25.0 mm (0.984 in) or more
*: Always check with the Parts Department for the latest parts information.
Shift Solenoid ValvesNBAT0217
Gear position1234
Shift solenoid valve A ON (Closed) OFF (Open) OFF (Open) ON (Closed)
Shift solenoid valve B ON (Closed) ON (Closed) OFF (Open) OFF (Open)
Solenoid ValvesNBAT0218
Solenoid valves Resistance (Approx.)WTerminal No.
Shift solenoid valve A 20 - 40 3
Shift solenoid valve B 20 - 40 2
Overrun clutch solenoid valve 20 - 40 4
Line pressure solenoid valve 2.5 - 5 6
Torque converter clutch solenoid valve 10 - 20 7
A/T Fluid Temperature SensorNBAT0219Remarks: Specification data are reference values.
Monitor item Condition Specification
A/T fluid tem-
perature
sensorCold [20ÉC (68ÉF)]
"
Hot [80ÉC (176ÉF)]Approximately 1.5V
"
Approximately 0.5VApproximately 2.5 kW
"
Approximately 0.3 kW
Turbine Revolution SensorNBAT0232
Terminal No. Resistance
1 2 2.4 - 2.8 kW
2 3 No continuity
1 3 No continuity
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SERVICE DATA AND SPECIFICATIONS (SDS)
Reverse Clutch Drum End Play
AT-361