2001 INFINITI QX4 Factory Service Manual

Page 2081 of 2395

INFINITI QX4 2001  Factory Service Manual SPD220A
13. Remove the J34309 pinion preload shim selector tool from the
final drive housing and disassemble to retrieve the pinion bear-
ings.
TOOTH CONTACTNBPD0040S02Gear tooth contact pattern check

Page 2082 of 2395

INFINITI QX4 2001  Factory Service Manual SPD007-B
SPD552
AssemblyNBPD0041DIFFERENTIAL CASENBPD0041S011. Install side gears, pinion mate gears and thrust washers into
differential case.
SPD258
2. Fit pinion mate shaft to differential case so

Page 2083 of 2395

INFINITI QX4 2001  Factory Service Manual SPD322
5. Apply gear oil to gear tooth surfaces and thrust surfaces and
check to see they turn properly.
6. Install differential case assembly on ring gear.
Tighten bolts in a criss-cross pattern, lig

Page 2084 of 2395

INFINITI QX4 2001  Factory Service Manual SPD581
4. Place pinion front bearing inner cone in gear carrier.
SPD291A
5. Apply multi-purpose grease to cavity at sealing lips of oil seal.
Install front oil seal.
Tool number:
A ST30720000 (J25405)

Page 2085 of 2395

INFINITI QX4 2001  Factory Service Manual SPD149
SPD684
9. Turn drive pinion in both directions several times, and measure
pinion bearing preload.
Tool number: ST3127S000 (J25765-A)
Pinion bearing preload (Without front oil seal):
1.2 - 2.0 N

Page 2086 of 2395

INFINITI QX4 2001  Factory Service Manual SPD698
14. Tighten side bearing cap bolts.
15. Install side lock finger in place to prevent rotation during opera-
tion.
SPD247
16. Check runout of ring gear with a dial indicator.
Runout limit: 0.08

Page 2087 of 2395

INFINITI QX4 2001  Factory Service Manual Service Data and Specifications (SDS)
H233B=NBPD0042General SpecificationsNBPD0042S01
Rear final drive2WD 4WD
Standard Optional
H233B
2-pinion LSD
Gear ratio4.363
Number of teeth (Ring gear/drive pini

Page 2088 of 2395

INFINITI QX4 2001  Factory Service Manual Drive Pinion Height Adjustment=NBPD0042S06
Available pin-
ion height
adjust washersThickness mm (in) Part number*
2.58 (0.1016)
2.61 (0.1028)
2.64 (0.1039)
2.67 (0.1051)
2.70 (0.1063)
2.73 (0.1075)
2.