Suzuki Grand Vitara JB627. Manual — part 142
3B-10 Differential: Front
8) To engage drive bevel pinion and gear correctly, it is pre-required to install drive bevel pinion to differential carrier
properly by using adjusting shim as described on the followings. Shown below is relative positions of drive bevel
pinion, differential carrier and mounting dummy.
Special tool
(A): 09900–20607
(B): 09926–78320
(C): 09922–75222
(D): 09951–16070
(E): 09951–46010
(F): 09926–78311–002
(G): 09922–76520
(A)
(B)
(D)
(F)
(E)
2
(G)
“a”
“b”
“d”
“e”
“c”
(C)
1
5
4
3
8
7
6
I5JB0A321029-02
1. Universal Joint flange
8. Drive bevel gear
2. Nut
“a”: Pinion dummy height + Attachment height
3. Front bearing
“b”: Axle dummy radius
4. Differential carrier
“a” + “b”: Mounting dummy size 103.0 mm/4.0551 in.
5. Rear bearing
“c”: Measured dimension
6. Spacer
“d”: Drive bevel pinion mounting distance 102.0 mm/4.0157 in.
7. Drive bevel pinion
“e”: Shim size for mounting distance adjustment (= “c” + 1)
Differential: Front 3B-11
9) Install special tools with bearings (3) and flange (2)
to differential carrier (1).
NOTE
This installation requires no spacer or oil
seal.
Special tool
(E): 09951–46010
(F): 09926–78311–002
10) Tighten flange nut (1) so that specified bearing
preload is obtained.
NOTE
• Before taking measurement with spring
balance (2) or torque wrench (3), check for
rotation by hand and apply small amount
of differential oil to bearings.
• On measuring preload, rotate the drive
bevel pinion about 1 rotation per 2
seconds.
Special tool
(C): 09922–75222
(F): 09926–78311–002
Pinion bearing preload
0.9 – 1.7 N
⋅m (9.0 – 17.0 kg-cm, 7.8 – 14.7 lb-in.)
Spring measure reading with special tool
20 – 40 N (2.0 – 4.0 kg, 4.4 – 8.8 lb)
11) Set dial gauge to mounting dummy and make 0
(zero) adjustment on surface plate (1).
NOTE
• When setting dial gauge to mounting
dummy, tighten screw (2) lightly. Be careful
not to overtighten it, which will cause
damage to dial gauge.
• With dial gauge set, turn dummy back and
force by hand a couple of times and attain
accurate 0 (zero) adjustment.
• It is desirable that short pointer indicates
beyond 2 mm when long one is at 0 (zero).
Special tool
(A): 09900–20607
(B): 09926–78320
4. Socket with adapter
I5JB0A321030-01
I5JB0A321031-01
IYSQ01322033-01
3B-12 Differential: Front
12) Place zero-adjusted mounting dummy and dial
gauge set on pinion mounting dummy and take
measurement between zero position and extended
dial gauge measuring tip.
NOTE
• Repeat turning back and force of dummy
and measure distance as far as top surface
of pinion dummy accurately.
• When dial gauge measuring tip extends
from 0 (zero) position, pointer turns
counterclockwise.
• Measured value may exceed 1 mm.
Therefore, it is also necessary to know
reading of short pointer.
Special tool
(A): 09900–20607
(B): 09926–78311
(D): 09951–16070
(F): 09926–78311–002
: 09922–76520
13) Obtain adjusting shim thickness by the following
equation.
14) Select adjusting shim(s) (2) closest to calculated
value from among the following available sizes and
put it in place and then press-fit rear bearing (1).
Special tool
(G): 09913–85210
(H): 09940–53111
Available shim thickness
1.00, 1.03, 1.06, 1.09, 1.12, 1.15, 1.18, 1.21,1.24,
1.27, 1.30 and 0.3 mm
(0.039, 0.040, 0.042, 0.043, 0.044, 0.045, 0.046,
0.047 0.048, 0.049, 0.050 and 0.012 in.)
15) With new pinion spacer (3) inserted as shown in the
figure, install front bearing (5) to differential carrier
(4).
NOTE
• Make sure to use new spacer for
reinstallation.
• Apply differential oil to bearings.
16) Using special tool and plastic hammer, drive oil seal
(2) into differential carrier (1) as shown in figure.
Then apply grease “A” to oil seal lip.
“A”: Grease 99000–25010 (SUZUKI Super
Grease A)
Special tool
(A): 09951–18210
Necessary
shim
thickness
“e”
=
Mounting
dummy size
103.0 mm/
4.0551 in.
“a” + “b”
+
Measured
dimension
“c”
–
Drive bevel
pinion
mounting
distance
102 mm/
4.0157 in.
(F)
(D)
(B)
(A)
I5JB0A321032-01
3. Drive bevel pinion
1. Drive bevel pinion
2. Rear bearing
I5JB0A321033-01
I5JB0A321034-01
I5JB0A321035-01
Differential: Front 3B-13
17) While tightening flange nut gradually with special
tool and power wrench (4 – 10 magnification) (1), set
preload of pinion to specification.
NOTE
• Before taking measurement with spring
balance (3) or torque wrench (4), check for
smooth rotation by hand.
• On measuring preload, rotate the drive
bevel pinion about 1 rotation per 2
seconds.
• Be sure to tighten gradually and carefully
till specified starting torque is obtained.
Turning back overtightened flange nuts
should be avoided.
Pinion bearing preload
0.9 – 1.7 N
⋅m (9.0 – 17.0 kg-cm, 7.8 – 14.7 lb-in.)
Spring measure reading with special tool
20 – 40 N (2.0 – 4.0 kg, 4.4 – 8.8 lb)
Special tool
(A): 09922–75222
(B): 09922–66021
18) Select differential side bearing shim as follows.
a) Measure dimension “a” and “b” using vernier
caliper.
b) Calculate dimension “a” – “b”, and select shims
from among following available size so that total
of thickness of right side and left side shims may
reach the calculated value.
NOTE
Select shims so that thickness of right side
shims and left side shims become almost
even.
Available shim thickness
Right side: 1.75, 1.85, 1.95, 2.00, 2.05, 2.15
and 2.25 mm (0.069, 0.073, 0.077, 0.079, 0.081,
0.085 and 0.089 in.)
Left side: 2.75, 2.85, 2.95, 3.00, 3.05, 3.15 and
3.25 mm (0.108, 0.112, 0.116, 0.118, 0.120,
0.124 and 0.128 in.)
2. Socket wrench
I5JB0A321036-02
I5JB0A321037-04
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