2004 INFINITI QX56 differential

RFD-26
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: August 20072004 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsEDS002JQ
Drive Gear RunoutEDS0 02 JR
Unit: mm (in)
Side Gear Adjustment EDS002JS
Unit: mm (in)
AVAILABLE SIDE GEAR THRUST WASHERS
Unit: mm (in)
Drive Pinion Height AdjustmentEDS002JT
AVAILABLE PINION HEIGHT ADJUSTING WASHERS
Unit: mm (in)
Drive Pinion Preload AdjustmentEDS0 02 JU
Grade2WD 4WD
Final drive modelR230 (2 - pinion)
Gear ratio2.937 : 1 3.357 : 1
Number of teeth (drive gear / drive pinion) 47 / 16 47 / 14
Oil capacity (approx.)
1.75 (3 3/4 US pt, 3 1/8 Imp pt)
Final drive modelR230 (2 - pinion)
Drive gear runout limit 0.05 (0.0020) or less
Final drive modelR230 (2 - pinion)
Clearance limit between side gear and differential case 0.20 (0.0079) or less
Final drive modelR230 (2 - pinion)
Thrust washerThickness Part number
1.75 (0.0688) 38424 7S000
1.80 (0.0708) 38424 7S001
1.85 (0.0728) 38424 7S002
Final drive model R230 (2 - pinion)
Adjusting washerThickness Part number Thickness Part number
2.59 (0.1020) 38154 40P00 2.79 (0.1098) 38154 40P10
2.61 (0.1028) 38154 40P01 2.81 (0.1106) 38154 40P11
2.63 (0.1035) 38154 40P02 2.83 (0.1114) 38154 40P12
2.65 (0.1043) 38154 40P03 2.85 (0.1122) 38154 40P13
2.67 (0.1051) 38154 40P04 2.87 (0.1130) 38154 40P14
2.69 (0.1059) 38154 40P05 2.89 (0.1138) 38154 40P15
2.71 (0.1067) 38154 40P06 2.91 (0.1146) 38154 40P16
2.73 (0.1075) 38154 40P07 2.93 (0.1154) 38154 40P17
2.75 (0.1083) 38154 40P08 2.95 (0.1161) 38154 40P18
2.77 (0.1091) 38154 40P09 2.97 (0.1169) 38154 40P19
Final drive modelR230 (2 - pinion)
Drive pinion preload 1.77 − 2.64 N·m (0.18 − 0.26 kg−m, 16 − 23 in-lb)

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
RSU-5
C
D
F
G
H
I
J
K
L
MA
B
RSU
Revision: August 20072004 QX56
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartEES00111
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference page
RSU-25RSU-34
—
—
—
RSU-25
RSU-27RSU-41
PR-3, "
NVH Troubleshooting Chart
"
RFD-5, "
NVH Troubleshooting Chart
"
FAX -4, "
NVH Troubleshooting Chart
" (FAX)
FSU-4, "
NVH Troubleshooting Chart
" (FSU)
WT-3, "
NVH Troubleshooting Chart
"
WT-3, "
NVH Troubleshooting Chart
"
RAX-4, "
NVH Troubleshooting Chart
"
PS-5, "
NVH Troubleshooting Chart
"
BR-5, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Shock absorber deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
PROPELLER SHAFT
DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
SymptomNoise×××××× ××× ×××××
Shake×××× × × × ×××××
Vibration××××× × × × × ×
Shimmy×××× × × ×× ××
Shudder ××× × ×× ××
Poor quality ride or handling××××× ×× × ××

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
WT-3
C
D
F
G
H
I
J
K
L
MA
B
WT
Revision: August 20072004 QX56
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartEES00122
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
WT-4WT-5WT-33WT-6—
—
WT-33
RFD-5, "
NVH Troubleshooting Chart
" (FFD),
RFD-5, "
NVH Troubleshooting Chart
" (RFD)
FAX -4, "
NVH Troubleshooting Chart
" (FAX),
FSU-4, "
NVH Troubleshooting Chart
" (FSU)
RAX-4, "
NVH Troubleshooting Chart
" (RAX),
RSU-5, "
NVH Troubleshooting Chart
" (RSU)
Refer to TIRES in this chart.
Refer to ROAD WHEEL in this chart.
BR-5, "
NVH Troubleshooting Chart
"
PS-5, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED PARTS
Out-of-round
Imbalance
Incorrect tire pressure
Uneven tire wear
Deformation or damage
Non-uniformity
Incorrect tire size
DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEEL
BRAKE
STEERING
SymptomTIRESNoise× ××××× × × × × ××
Shake××××× × ××× ××
Vibration××××××
Shimmy× ×××××× × × × ××
Shudder××××× × ××× ××
Poor quality ride or
handling××××× × ×××
ROAD
WHEELNoise×× × ××× ×××
Shake×× × ×× ×××
Shimmy, shudder×× × ×× ×××
Poor quality ride or
handling×× × ×× ×