2001 INFINITI QX4 ECU

SAT017B
IWhen connecting torque converter to transmission, measure
distance ªAº to be certain that they are correctly assembled.
Distance ªAº:
25.0 mm (0.984 in) or more
SAT148K
IInstall converter to drive plate.
IAfter converter is installed to drive plate, rotate crankshaft
several turns and check to be sure that transmission
rotates freely without binding.
SAT149K
ITighten bolts securing transmission.
Bolt No.Tightening torque
N´m (kg-m, ft-lb)Bolt length ªº
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)
IReinstall any part removed.
SAT638A
ICheck fluid level in transmission.
IMove 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 ªNº to ªDº, to ª2º, to ª1º and to ªRº positions.
A slight shock should be felt by hand gripping selector each
time transmission is shifted.
IPerform road test. Refer to ªROAD TESTº, AT-63.
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REMOVAL AND INSTALLATION
Installation (Cont'd)
AT-279

SAT903A
Snap Ring and End BearingNBAT0146S02ICheck for deformation or damage.
SAT901A
ASSEMBLYNBAT01471. Install snap ring onto forward clutch hub.
2. Install end bearing.
SAT904A
3. Install forward one-way clutch onto clutch hub.
IInstall forward one-way clutch with flange facing rearward.
4. Install end bearing.
5. Install snap ring onto forward clutch hub.
SAT906A
6. Install thrust washer onto rear internal gear.
IApply petroleum jelly to thrust washer.
ISecurely insert pawls of thrust washer into holes in rear
internal gear.
SAT907A
7. Position forward clutch hub in rear internal gear.
REPAIR FOR COMPONENT PARTS
Rear Internal Gear and Forward Clutch Hub (Cont'd)
AT-332

SAT940A
d. Install band servo retainer onto transmission case.
SAT943A
4. Install rear side clutch and gear components.
a. Place transmission case in vertical position.
SAT944A
b. Slightly lift forward clutch drum assembly. Then slowly rotate it
clockwise until its hub passes fully over clutch inner race inside
transmission case.
SAT945A
c. Check to be sure that rotation direction of forward clutch
assembly is correct.
SAT946A
d. Install thrust washer onto front of overrun clutch hub.
IApply petroleum jelly to the thrust washer.
IInsert pawls of thrust washer securely into holes in over-
run clutch hub.
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ASSEMBLY
Assembly (1) (Cont'd)
AT-341

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

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

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
Assembly (2) (Cont'd)
AT-351

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
Assembly (2) (Cont'd)
AT-353

Joint Assembly (Final drive side)NBAX0019S03IReplace any parts of double offset joint which show signs of
scorching, rust, wear or excessive play.
ICheck serration for deformation. Replace if necessary.
ICheck slide joint housing for any damage. Replace if neces-
sary.
Joint Assembly (Wheel side)NBAX0019S04Replace joint assembly if it is deformed or damaged.
ASSEMBLYNBAX0020IAfter drive shaft has been assembled, ensure that it
moves smoothly over its entire range without binding.
IUse NISSAN GENUINE GREASE or equivalent after every
overhaul.
SFA800
Final Drive Side (TS82F)NBAX0020S011. Install new small boot band, boot and side joint housing to
drive shaft.
Cover drive shaft serration with tape so as not to damage boot
during installation.
SFA397
2. Install spider assembly securely, ensuring marks are properly
aligned.
IPress-fit with spider assembly serration chamfer facing
shaft.
3. Install new snap ring.
SFA460BA
4. Pack with grease.
Specified amount of grease:
95 - 105 g (3.35 - 3.70 oz)
5. Make sure that boot is properly installed on the drive shaft
groove. Set boot so that it does not swell and deform when its
length is ªL
1º.
Length ªL
1º: 95 - 97 mm (3.74 - 3.82 in)
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FRONT AXLE
Drive Shaft (Cont'd)
AX-13