INFINITI QX4 2001 Factory Service Manual

SAT967A
b. Make sure needle bearing is on front of front planetary carrier.
IApply petroleum jelly to needle bearing.
c. Make sure needle bearing is on rear of front planetary carrier.
IApply petroleum jelly to bearing.
IPay attention to its direction Ð Black side goes to front.
SAT969A
d. While rotating forward clutch drum clockwise, install front plan-
etary carrier on forward clutch drum.
SAT970A
ICheck that portion A of front planetary carrier protrudes
approximately 2 mm (0.08 in) beyond portion B of forward
clutch assembly.
SAT971A
e. Make sure bearing races are on front and rear of clutch pack.
IApply petroleum jelly to bearing races.
ISecurely engage pawls of bearing races with holes in
clutch pack.
SAT973A
f. Install clutch pack into transmission case.
ASSEMBLY
Assembly (1) (Cont'd)
AT-346

Adjustment=NBAT0156When any parts listed in the following table are replaced, total end
play or reverse clutch end play must be adjusted.
Part name Total end play Reverse clutch end play
Transmission caseII
Low one-way clutch inner raceII
Overrun clutch hubII
Rear internal gearII
Rear planetary carrierII
Rear sun gearII
Front planetary carrierII
Front sun gearII
High clutch hubII
High clutch drumII
Oil pump coverII
Reverse clutch drum ÐI
SAT975A
1. Adjust total end play.
Total end play ªT
1º:
0.25 - 0.55 mm (0.0098 - 0.0217 in)
SAT976A
a. With needle bearing installed, place J34291-1 (bridge),
J34291-2 (legs) and the J34291-5 (gauging cylinder) onto oil
pump. The long ends of legs should be placed firmly on
machined surface of oil pump assembly. The gauging cylinder
should rest on top of the needle bearing. Lock gauging cylin-
der in place with set screw.
SAT977A
b. Install J34291-23 (gauging plunger) into gauging cylinder.
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ASSEMBLY
Adjustment
AT-347

SAT978A
c. Install original bearing race inside reverse clutch drum. Place
shim selecting gauge with its legs on machined surface of
transmission case (no gasket). Allow gauging plunger to rest
on bearing race. Lock gauging plunger in place with set screw.
SAT979A
d. Remove Tool and use feeler gauge to measure gap between
gauging cylinder and gauging plunger. This measurement
should give exact total end play.
Total end play ªT
1º:
0.25 - 0.55 mm (0.0098 - 0.0217 in)
IIf end play is out of specification, decrease or increase thick-
ness of oil pump cover bearing race as necessary.
Available oil pump cover bearing race:
Refer to SDS, AT-360.
SAT980A
2. Adjust reverse clutch drum end play.
Reverse clutch drum end play ªT
2º:
0.55 - 0.90 mm (0.0217 - 0.0354 in)
SAT981A
a. Place J34291-1 (bridge), J34291-2 (legs) and J34291-5 (gaug-
ing cylinder) on machined surface of transmission case (no
gasket). Allow gauging cylinder to rest on front thrust surface
of reverse clutch drum. Lock cylinder in place with set screw.
SAT982AA
b. Install J34291-23 (gauging plunger) into gauging cylinder.
ASSEMBLY
Adjustment (Cont'd)
AT-348

SAT983A
c. Install original thrust washer on oil pump. Place shim setting
gauge legs onto machined surface of oil pump assembly. Allow
gauging plunger to rest on thrust washer. Lock plunger in place
with set screw.
SAT984A
d. Use feeler gauge to measure gap between gauging plunger
and gauging cylinder. This measurement should give you exact
reverse clutch drum end play.
Reverse clutch drum end play ªT
2º:
0.55 - 0.90 mm (0.0217 - 0.0354 in)
IIf end play is out of specification, decrease or increase thick-
ness of oil pump thrust washer as necessary.
Available oil pump thrust washer:
Refer to SDS, AT-361.
SAT985A
Assembly (2)NBAT01571. Install brake band and band strut.
a. Install band strut on brake band.
IApply petroleum jelly to band strut.
SAT986A
b. Place brake band on periphery of reverse clutch drum, and
insert band strut into end of band servo piston stem.
SAT987A
c. Install anchor end bolt on transmission case. Then, tighten
anchor end bolt just enough so that reverse clutch drum (clutch
pack) will not tilt forward.
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ASSEMBLY
Adjustment (Cont'd)
AT-349

SAT988A
2. Install input shaft on transmission case.
IPay attention to its direction Ð O-ring groove side is front.
3. Install gasket on transmission case.
SAT989A
4. Install oil pump assembly.
a. Install needle bearing on oil pump assembly.
IApply petroleum jelly to the needle bearing.
b. Install selected thrust washer on oil pump assembly.
IApply petroleum jelly to thrust washer.
SAT990A
c. Carefully install seal rings into grooves and press them into the
petroleum jelly so that they are a tight fit.
SAT991A
d. Install O-ring on oil pump assembly.
IApply petroleum jelly to O-ring.
SAT992A
e. Apply petroleum jelly to mating surface of transmission case
and oil pump assembly.
ASSEMBLY
Assembly (2) (Cont'd)
AT-350

SAT993A
f. Install oil pump assembly.
IInstall two converter housing securing bolts in bolt holes
in oil pump assembly as guides.
SAT994A
IInsert oil pump assembly to the specified position in
transmission, as shown at left.
SAT114B
5. Install O-ring on input shaft.
IApply ATF to O-rings.
SAT397C
6. Install converter housing.
a. Apply recommended sealant (Genuine anaerobic liquid
gasket, Three Bond TB1215, Locktite Part No. 51813 or
equivalent) to outer periphery of bolt holes in converter hous-
ing.
IDo not apply too much sealant.
SAT158G
b. Apply recommended sealant (Genuine anaerobic liquid
gasket, Three Bond TB1215, Locktite Part No. 51813 or
equivalent) to seating surfaces of bolts that secure front of
converter housing.
c. Install converter housing on transmission case.
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Assembly (2) (Cont'd)
AT-351

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

SAT006B
c. Place control valve assembly on transmission case. Connect
solenoid connector for upper body.
d. Install connector clip.
SAT353B
e. Install control valve assembly on transmission case.
f. Install connector tube brackets and tighten bolts A and B.
ICheck that terminal assembly does not catch.
Bolt symbolmm (in)
A 33 (1.30)
B 45 (1.77)
SAT221B
g. Install O-ring on oil strainer.
IApply petroleum jelly to O-ring.
h. Install oil strainer on control valve.
SAT009B
i. Securely fasten terminal harness with clips.
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Assembly (2) (Cont'd)
AT-353

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

SAT428DA
13. Install torque converter.
a. Pour ATF into torque converter.
IApproximately 2 liters (2-1/8 US qt, 1-3/4 Imp qt) of fluid
are required for a new torque converter.
IWhen reusing old torque converter, add the same amount
of fluid as was drained.
SAT016B
b. Install torque converter while aligning notches and oil pump.
SAT017B
c. Measure distance A to check that torque converter is in proper
position.
Distance ªAº:
25.0 mm (0.984 in) or more
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Assembly (2) (Cont'd)
AT-355