Fax

FAX-1
FRONT AXLE
D DRIVELINE/AXLE
CONTENTS
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SECTION
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B
FAX
Revision: May 2004 2003 Sentra
PRECAUTIONS .......................................................... 2
Precautions ......................................................... ..... 2
PREPARATION ........................................................... 3
Special Service Tools ............................................... 3
Commercial Service Tools ........................................ 3
NOISE, VIBRATION, AND HARSHNESS (NVH)
TROUBLESHOOTING ................................................ 4
NVH Troubleshooting Chart ................................ ..... 4
ON-VEHICLE SERVICE ............................................. 5
Front Axle Parts .................................................. ..... 5
Front Wheel Bearing ........................................... ..... 5
Drive Shaft ............................................................... 5
WHEEL HUB AND KNUCKLE ................................... 6
Components ............................................................. 6
Removal ................................................................... 6
Installation ................................................................ 8
Disassembly ............................................................. 8
WHEEL HUB ......................................................... 9
WHEEL BEARING ................................................ 9
Inspection ............................................................ ..... 9
WHEEL HUB AND KNUCKLE ......................... ..... 9
SNAP RING .......................................................... 9
Assembly ................................................................ 10
DRIVE SHAFT ....................................................... ....11
Components ........................................................ ... 11
Removal ................................................................. 14
Installation .............................................................. 16
TRANSAXLE SIDE .............................................. 16
WHEEL SIDE ...................................................... 16
Disassembly ........................................................... 16
TRANSAXLE SIDE (TS79C AND T86 TYPE) .. ... 16
TRANSAXLE SIDE (D90,D90+B AND D86+B
TYPE) .................................................................. 17
WHEEL SIDE (ZF90, B90 AND B86 TYPE) ........ 17
SUPPORT BEARING ....................................... ... 17
Inspection ............................................................... 18
DRIVE SHAFT .................................................. ... 18
BOOT .................................................................. 18
JOINT ASSEMBLY (TRANSAXLE SIDE) ......... ... 18
JOINT ASSEMBLY (WHEEL SIDE) .................... 19
Assembly ................................................................ 19
SUPPORT BEARING ....................................... ... 19
WHEEL SIDE (ZF90, B90 AND B86 TYPE) ........ 20
DYNAMIC DAMPER ........................................ ... 21
TRANSAXLE SIDE (TS79C AND T86) ............... 21
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 23
Drive Shaft .............................................................. 23
Wheel Bearing (Front) ......................................... ... 23
FAX-2
PRECAUTIONS
Revision: May 2004 2003 Sentra
PRECAUTIONS PFP:00001
Precautions EDS000Q6
G When installing rubber parts, final tightening must be car-
ried out under unladen condition* with tires on ground.
*: Fuel, radiator coolant and engine oil full. Spare tire, jack,
hand tools and mats in designated positions.
G After installing removed suspension parts, check wheel
alignment and adjust if necessary.
G Use flare nut wrench when removing or installing brake
tubes.
G Always torque brake lines when installing.
SBR686C
PREPARATION
FAX-3
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Revision: May 2004 2003 Sentra
PREPARATION PFP:00002
Special Service Tools EDS000Q7
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools EDS000Q8
Tool number
(Kent-Moore No.)
Tool name
Description
HT72520000
(J25730-B)
Ball joint remover
Removing tie-rod outer end and lower ball
joint
a: 33 mm (1.30 in)
b: 50 mm (1.97 in)
r: R11.5 mm (0.453 in)
KV38106800
(J34297-1)
Differential side oil seal protector
Installing drive shaft
NT546
NT147
Tool name Description
1 Flare nut crowfoot
2 Torque wrench
Removing and installing each brake piping
a: 10 mm (0.39 in)
NT360
FAX-4
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: May 2004 2003 Sentra
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING PFP:00003
NVH Troubleshooting Chart EDS000Q9
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable
Reference page —
F
A
X
-
1
8
,

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I
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R
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A
-
3
8
,

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W
H
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B
A
L
A
N
C
E
"
F
A
X
-
8
,

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I
n
s
t
a
l
l
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F
A
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-
5
,

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F
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W
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B
e
a
r
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F
A
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-
5
,

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Possible cause and SUSPECTED PARTS
E
x
c
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s
s
i
v
e

j
o
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t

a
n
g
l
e
J
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,

l
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s
s
P
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s

i
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h
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b
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d
a
m
a
g
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D
R
I
V
E

S
H
A
F
T
A
X
L
E
S
U
S
P
E
N
S
I
O
N
T
I
R
E
S
R
O
A
D

W
H
E
E
L
B
R
A
K
E
S
S
T
E
E
R
I
N
G
Symptom
DRIVE SHAFT
Noise, Vibration × × × × × × × ×
Shake × × × × × × × ×
AXLE
Noise × × × × × × × ×
Shake × × × × × × × ×
Vibration × × × × × ×
Shimmy × × × × × × ×
Judder × × × × × ×
Poor quality ride or
handling
× × × × × ×
ON-VEHICLE SERVICE
FAX-5
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Revision: May 2004 2003 Sentra
ON-VEHICLE SERVICE PFP:00000
Front Axle Parts EDS000QA
Check front axle and front suspension parts for excessive play,
cracks, wear or other damage.
G Shake each front wheel to check for excessive play.
G Make sure that the cotter pin is properly installed.
G Retighten all axle and suspension nuts and bolts to the specified
torque.
Front Wheel Bearing EDS000QB
G Rotate wheel hub to check that wheel bearings operate
smoothly.
G Check axial end play.
If out of specification or wheel bearing does not turn smoothly,
replace wheel bearing assembly.
Refer to FAX-6, "WHEEL HUB AND KNUCKLE" .
Drive Shaft EDS000QC
Check for grease leakage or other damage.
Tightening torque : Refer to FSU-5, "Components" .
SMA525A
Axial end play : 0.05 mm (0.0020 in) or less
SFA543A
SFA108A
FAX-6
WHEEL HUB AND KNUCKLE
Revision: May 2004 2003 Sentra
WHEEL HUB AND KNUCKLE PFP:40202
Components EDS000QD
Removal EDS000QE
CAUTION:
Before removing the front axle assembly, disconnect the wheel sensor from the assembly. Then move
it away from the front axle assembly area.
Failure to do so may result in damage to the sensor wires and the wheel sensor becoming inoperative.
1. Remove cotter pin and wheel bearing lock nut.
1. Drive shaft 2. Sensor rotor (if equipped) 3. Knuckle
4. Wheel sensor (if equipped) 5. Baffle plate 6. Wheel bearing assembly
7. Snap ring 8. Wheel bolt 9. Wheel hub
10. Wheel bearing lock nut 11. Cotter pin 12. Disc rotor
13. Wheel nut
WDIA0002E
SFA090A
WHEEL HUB AND KNUCKLE
FAX-7
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Revision: May 2004 2003 Sentra
2. Separate tie-rod from knuckle with Tool.
G Install stud nut on stud bolt to prevent damage to stud
bolt.
3. Remove brake caliper assembly, torque member and rotor.
G Brake hose need not be disconnected from brake caliper.
In this case, suspend caliper assembly with wire so as
not to stretch brake hose. Be careful not to depress brake
pedal, or piston will pop out.
Make sure brake hose is not twisted.
4. Remove strut lower mounting nuts and bolts.
5. Separate drive shaft from knuckle by lightly tapping it. If it is hard
to remove, use a puller.
G Cover boots with shop towel so as not to damage them
when removing drive shaft.
WAX006
SFA898A
SFA803A
SFA651A
FAX-8
WHEEL HUB AND KNUCKLE
Revision: May 2004 2003 Sentra
6. Loosen lower ball joint nut.
7. Remove knuckle from lower ball joint stud with Tool.
Installation EDS000QF
1. Install in reverse order of removal.
G Install knuckle with wheel hub.
When installing knuckle to strut, be sure to hold bolts
and tighten nuts.
Before tightening, apply oil to threaded portion of drive
shaft.
G Tighten wheel bearing lock nut.
G Rotate wheel hub to check that wheel bearings operate smoothly.
G Rotate wheel hub to check wheel bearing axial end play.
Disassembly EDS000QG
CAUTION:
When removing wheel hub or wheel bearing from knuckle, replace wheel bearing assembly (outer race
and inner race) with a new one.
Wheel bearing does not require maintenance. If any of the following symptoms are noted, replace
wheel bearing assembly.
G Growling noise is emitted from wheel bearing during operation.
G Wheel bearing drags or turns roughly. This occurs when turning hub by hand after bearing lock
nut is tightened to specified torque.
WAX007
: 114 - 133 N·m (11.6 - 13.6 kg-m, 84 - 98 ft-lb)
: 197 - 274 N·m (20 - 28 kg-m, 145 - 202 ft-lb)
(QG18DE models)
: 255 - 333 N·m (26 - 33 kg-m, 188 - 245 ft-lb)
(QR25DE models)
Axial end play : 0.05 mm (0.0020 in) or less
SFA114A
SFA543A
WHEEL HUB AND KNUCKLE
FAX-9
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Revision: May 2004 2003 Sentra
WHEEL HUB
Drive out hub and inner race from knuckle with a suitable tool.
WHEEL BEARING
When replacing wheel bearing, replace complete wheel bearing
assembly (inner race and outer race).
1. Remove bearing inner race.
2. Remove snap rings.
3. Press out bearing outer race.
4. Remove baffle plate, if required.
Inspection EDS000QH
WHEEL HUB AND KNUCKLE
Check wheel hub and knuckle for cracks by using a magnetic exploration or dyeing test.
SNAP RING
Check snap ring for wear or cracks. Replace if necessary.
SFA116A
SFA654A
SAX008
SFA496A
FAX-10
WHEEL HUB AND KNUCKLE
Revision: May 2004 2003 Sentra
Assembly EDS000QI
G If baffle plate has been removed, replace it with a new one.
G When installing the baffle plate, press new plate so that it is in
contact with knuckle wall. Refer to figure at right.
1. Press new wheel bearing assembly into knuckle until it seats
against knuckle shoulder.
CAUTION:
G Do not apply disassembly force in direction “R”. There is a
possibility of breaking the seal. In case of separation
(except range of initial clearance) and disassembling of
inner race, the wheel bearing must be replaced with a new
part.
G Do not press inner race of wheel bearing assembly or seal.
G Do not apply oil or grease to mating surfaces of wheel bearing outer race and knuckle.
2. Install outer snap ring into groove of knuckle.
3. Press wheel hub into knuckle until it stops when the end of the
wheel bearing is hit.
G Do not move wheel hub in direction “R”.
4. Check bearing operation.
a. Add load P with press.
b. Spin knuckle several turns in both directions.
c. Make sure that wheel bearings operate smoothly.
SFA921B
Maximum load P : 29.4 kN
(3.0 ton, 3.3 US ton, 2.95 Imp ton)
Maximum load P : 49.0 kN
(5.0 ton, 5.5 US ton, 4.9 Imp ton)
WAX012
WAX014
Load P : 34.3 - 49.0 kN
(3.5 - 5.0 ton, 3.9 - 5.5 US ton,
3.44 - 4.92 Imp ton)
SFA182A
DRIVE SHAFT
FAX-11
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FAX
Revision: May 2004 2003 Sentra
DRIVE SHAFT PFP:39100
Components EDS000QJ
CAUTION:
G Circular clips should be properly meshed with differential side gear (transaxle side) and with joint
assembly (wheel side). Make sure they will not come out.
G Be careful not to damage boots. Use suitable protector or cloth during removal and installation.
1. Dust shield 2. Sensor rotor, if equipped 3. Joint assembly
4. Boot band 5. Boot 6. Circular clip
7. Drive shaft 8. Dynamic damper band 9. Dynamic damper
10. Boot 11. Boot band 12. Spider assembly
13. Snap ring 14. Slide joint housing 15. Dust shield
16. Circular clip
WDIA0001E
FAX-12
DRIVE SHAFT
Revision: May 2004 2003 Sentra
1. Dust shield 2. Sensor rotor, if equipped 3. Joint assembly
4. Boot 5. Boot band 6. Circular clip
7. Drive shaft 8. Dynamic damper 9. Dynamic damper band
10. Boot 11. Boot band 12. Cage
13. Inner race 14. Ball 15. Snap ring
16. Slide joint assembly 17. Dust shield 18. Circular clip
19. Slide joint housing with extension
shaft
20. Snap ring 21. Dust shield
22. Support bearing 23. Support bearing retainer 24. Bracket
25. Snap ring 26. Dust shield
LDIA0013E
DRIVE SHAFT
FAX-13
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FAX
Revision: May 2004 2003 Sentra
1. Dust shield 2. Sensor rotor, if equipped 3. Joint assembly
4. Boot 5. Boot band 6. Circular clip
7. Drive shaft 8. Dynamic damper 9. Dynamic damper band
10. Boot 11. Boot band 12. Spider assembly
13. Snap ring 14. Slide joint assembly 15. Dust shield
16. Circular clip 17. Ball 18. Inner race
19. Cage 20. Slide joint housing with extension
shaft
21. Snap ring
22. Dust shield 23. Support bearing 24. Support bearing retainer
25. Bracket 26. Snap ring 27. Dust shield
LDIA0014E
FAX-14
DRIVE SHAFT
Revision: May 2004 2003 Sentra
Removal EDS000QK
1. Remove cotter pin and wheel bearing lock nut.
2. Remove drive shaft center support bearing bolts.
3. Remove strut lower mounting nuts and bolts.
4. Remove brake hose clip.
5. Separate drive shaft from knuckle by lightly tapping it. If it is hard
to remove, use a puller.
G Cover boots with shop towel so as not to damage them
when removing drive shaft.
SFA090A
WAX017
SFA803A
SFA651A
DRIVE SHAFT
FAX-15
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Revision: May 2004 2003 Sentra
6. Remove left drive shaft from transaxle.
7. Remove right drive shaft from transaxle.
— For M/T models —
G Pry off drive shaft from transaxle as shown at right.
— For A/T models —
G Insert screwdriver into transaxle opening for right drive shaft and strike with a hammer.
G Be careful not to damage pinion mate shaft and side gear.
WAX003
WAX004
WAX005
FAX-16
DRIVE SHAFT
Revision: May 2004 2003 Sentra
Installation EDS000QL
TRANSAXLE SIDE
1. Drive a new oil seal to transaxle. Refer to MT-12, "SIDE OIL
SEAL" , MT-77, "SIDE OIL SEAL" , MT-138, "SIDE OIL
SEAL"AT-264, "Differential Side Oil Seal Replacement" , or AT-
647, "Differential Side Oil Seal Replacement" .
2. Set Tool along the inner circumference of oil seal.
3. Insert drive shaft into transaxle. Be sure to properly align the
serrations and then withdraw Tool.
4. Push drive shaft, then press-fit circular clip on the drive shaft
into circular clip groove of side gear.
5. After its insertion, try to pull the flange out of the slide joint by
hand. If it pulls out, the circular clip is not properly meshed with
the side gear.
WHEEL SIDE
1. Install drive shaft into knuckle.
2. Tighten strut lower mounting nuts and wheel bearing lock nut.
Disassembly EDS000QM
TRANSAXLE SIDE (TS79C AND T86 TYPE)
1. Remove boot bands.
2. Put matching marks on slide joint housing and drive shaft before
separating joint assembly.
3. Put matching marks on spider assembly and drive shaft.
4. Remove snap ring, then remove spider assembly.
CAUTION:
Do not disassemble spider assembly.
5. Draw out boot.
G Cover drive shaft serrations with tape so as not to damage
the boot.
AFA084
WAX008
SFA963
SFA612
DRIVE SHAFT
FAX-17
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Revision: May 2004 2003 Sentra
TRANSAXLE SIDE (D90,D90+B AND D86+B TYPE)
1. Remove boot bands.
2. Put matching marks on slide joint housing and drive shaft before
separating joint assembly.
3. Pry off snap ring with a screwdriver, and pull out slide joint hous-
ing.
4. Put matching marks on inner race and drive shaft.
5. Remove snap ring, then remove ball cage, inner race and balls
as a unit.
6. Draw out boot.
G Cover drive shaft serrations with tape so as not to damage
the boot.
WHEEL SIDE (ZF90, B90 AND B86 TYPE)
CAUTION:
The joint on the wheel side cannot be disassembled.
1. Before separating joint assembly, put matching marks on drive
shaft and joint assembly.
2. Separate joint assembly with a suitable tool.
G Be careful not to damage threads on drive shaft.
3. Remove boot bands.
SUPPORT BEARING
1. Remove dust shield.
SFA476
SFA514A
WAX009
SFA442B
FAX-18
DRIVE SHAFT
Revision: May 2004 2003 Sentra
2. Remove snap ring.
3. Press support bearing assembly off drive shaft.
4. Remove snap ring.
5. Remove dust shield.
6. Separate support bearing from retainer.
Inspection EDS000QN
Thoroughly clean all parts in cleaning solvent, then dry with compressed air. Check parts for evidence of defor-
mation and other damage.
DRIVE SHAFT
Replace drive shaft if it is twisted or cracked.
BOOT
Check boot for fatigue, cracks or wear. Replace with new boot and boot bands.
JOINT ASSEMBLY (TRANSAXLE SIDE)
TS79C AND T86 TYPE
G Check spider assembly for needle bearing and washer damage.
Replace if necessary.
G Check roller surfaces for scratches, wear and other damage.
Replace if necessary.
G Check serration for deformation. Replace if necessary.
G Check slide joint housing for any damage. Replace if necessary.
G When replacing only spider assembly, select a new spider
assembly from among those listed in table below. Ensure that
the number stamped on slide joint is the same as that stamped
on new part.
SFA692
SFA693
SFA617
AFA111
DRIVE SHAFT
FAX-19
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Revision: May 2004 2003 Sentra
Housing alone cannot be replaced. It must be replaced together with spider assembly.
*: Always check with the Parts Department for the latest parts information.
D90+B TYPE
G Replace any parts of double offset joint which show signs of scorching, rust, wear or excessive play.
G Check serration for deformation. Replace if necessary.
G Check slide joint housing for any damage. Replace if necessary.
JOINT ASSEMBLY (WHEEL SIDE)
Replace joint assembly if it is deformed or damaged.
SUPPORT BEARING
Make sure support bearing rolls freely and is free from noise, cracks, pitting and wear.
SUPPORT BEARING BRACKET
Check support bearing bracket for cracks with a magnetic exploration or dyeing test.
Assembly EDS000QO
G After drive shaft has been assembled, ensure that it moves smoothly over its entire range without
binding.
G Use Genuine NISSAN grease or equivalent after every overhaul.
SUPPORT BEARING
1. Install bearing into retainer.
2. Install dust shield.
3. Install snap ring.
4. Press drive shaft into bearing.
Stamped number Part No.*
01 39720-61E01
02 39720-61E02
03 39720-61E03
04 39720-61E04
05 39720-61E05
06 39720-61E06
07 39720-61E07
SFA618
SFA694
FAX-20
DRIVE SHAFT
Revision: May 2004 2003 Sentra
5. Install snap ring.
6. Install new dust shield.
WHEEL SIDE (ZF90, B90 AND B86 TYPE)
1. Install boot and new small boot band on drive shaft.
G Cover drive shaft serration with tape to prevent damage to
boot during installation.
2. Set joint assembly onto drive shaft by lightly tapping it.
G Ensure that marks which were made during disassembly
are properly aligned.
3. Pack drive shaft with specified amount of grease.
4. 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
“L1 ”.
SFA444B
SFA800
WAX010
Specified amount of
grease
: QG18DE 115 - 125 g
(4.06 - 4.41 oz)
: QR25DE A/T 120 - 140 g
(4.23 - 4.94 oz)
: QR25DE M/T 115 - 135 g
(4.06 - 4.76 oz)
Length “L1 ”
QG18DE : 97 mm (3.82 in)
QR25DE A/T : 115.7 mm (4.56 in)
QR25DE M/T : 124.2 mm (4.89 in)
SAX028
DRIVE SHAFT
FAX-21
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Revision: May 2004 2003 Sentra
5. Lock new large and small boot bands securely with a suitable
tool.
6. Install the sensor rotor, if equipped. For front sensor rotor, use a
hammer and wooden block. For rear sensor rotor, use a suitable
drift and press.
G Always replace sensor rotor with a new one.
DYNAMIC DAMPER
1. Use a new damper band when reinstalling.
2. Install dynamic damper from stationary-joint side while holding it
securely:
Unit: mm (in)
TRANSAXLE SIDE (TS79C AND T86)
1. Install boot and new small boot band on drive shaft.
G Cover drive shaft serration with tape to prevent damage to
boot during installation.
AFA022
SBR985C
Applied model
QG18DE
LH RH
"A" 175-185 (6.89 - 7.28) 420-430 (16.54 - 16.93)
"B" 70 (2.76) 64 (2.52)
QR25DE
"A" 173 - 179 (6.81 - 7.05) 200 - 206 (7.87 - 8.11)
"B" 50 (1.97) 68 (2.68)
SAX029
SFA800
FAX-22
DRIVE SHAFT
Revision: May 2004 2003 Sentra
2. Install spider assembly securely, making sure the matching
marks which were made during disassembly are properly
aligned.
3. Install new snap ring.
4. Pack drive shaft with specified amount of grease.
5. Install slide joint housing.
6. Set boot so that it does not swell and deform when its length is
“L2 ”.
G Make sure the boot is properly installed on the drive shaft
groove.
7. Lock new large and small boot bands securely with a suitable
tool.
SFA023A
Specified amount
of grease
: QG18DE 155 - 165 g
(5.47 - 5.82 oz)
: QR25DE A/T 145 - 165 g
(5.11 - 5.82 oz)
: QR25DE M/T D86+B 135 - 155
g (4.76 - 5.47 oz)
: QR25DE M/T T86 140 - 160 g
(4.94 - 5.64 oz)
Length “L2 ”
QG18DE : 102.5 mm (4.035 in)
QR25DE A/T : 98 mm (3.86 in)
QR25DE M/T D86+B : 98 mm (3.86 in)
QR25DE M/T T86 : 98.5 mm (3.88 in)
SFA993
SFA443B
SERVICE DATA AND SPECIFICATIONS (SDS)
FAX-23
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FAX
Revision: May 2004 2003 Sentra
SERVICE DATA AND SPECIFICATIONS (SDS) PFP:00030
Drive Shaft EDS000QP
Wheel Bearing (Front) EDS000QQ
Applied model QG18DE QR25DE
Joint type
Transaxle side TS79C D90+B, D90, D86+B and T86
Wheel side ZF90 B90 and B86
Grease
Quality Genuine NISSAN grease or equivalent
Capacity g (oz)
Transaxle
side
TS79C 155 - 165 (5.47 - 5.82)
D90+B and D90 145 - 165 (5.11- -5.82)
D86+B 135 - 155 (4.76 - 5.47)
T86 140 - 160 (4.94 - 5.64)
Wheel side
ZF90 115 - 125 (4.06 - 4.41)
B90 120 - 140 (4.23 - 4.94)
B86 115- -135 (4.06 - 4.76)
Boot
length mm
(in)
Transaxle side “L2 ” TS79C 102.5 (4.035)
D90+B and D90 98 (3.86)
D86+B 98 (3.86)
T86 98.5 (3.88)
Wheel side “L1 ” ZF90 97 (3.82)
B90 115.7 (4.56)
B86 124.2 (4.89)
SFA961AA
SFA962A
Wheel bearing axial end play limit mm (in) 0.05 (0.0020 in) or less
Wheel bearing lock nut tightening torque N·m (kg-m, ft-lb) 197 - 274 (20 - 28, 145 - 202)
Knuckle to strut tightening torque N·m (kg-m, ft-lb) 114 - 133 (11.6 - 13.6, 84 - 98)
FAX-24
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: May 2004 2003 Sentra