Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 2028

3B-2  STEERING

PAGE

General Description................................................................................................ 3B- 49

Repair Kit (C22, C20 Series Engine Model) .......................................................... 3B- 50

Repair Kit (4J Series Engine Model)...................................................................... 3B- 51

Removal and Installation (C22, C20 Series Engine Model) ................................. 3B- 52

Removal and Installation (4J Series Engine Model) ............................................ 3B- 53

Removal and Installation (6VD1 Engine Model) ................................................... 3B- 55

Disassembly (C22, C20 Series Engine Model) ............................................... 3B- 57

Inspection and Repair (C22, C20 Series Engine Model)................................ 3B- 59

Reassembly (C22, C20 Series Engine Model) ................................................ 3B- 60

Disassembly and Reassembly (4J Series Engine Model) ............................. 3B- 63

Disassembly and Reassembly (6VD1 Engine Model) .................................... 3B- 67

Troubleshooting ................................................................................................................ 3B- 72

Special Service Tool (C22, C20 Series Engine Model) ................................................... 3B- 85

STEERING  3B-3

MAIN DATA AND SPECIFICATIONS

Manual steering

Power steering

Unit type

Recirculating ball

Integral, ball screw

Gear ratio

20.5 - 23.5

15.8:1

Sector shaft operating angle

degree

95

94

Starting torque

N

⋅

m (kgf

⋅

m/lb.ft)

0.064 - 1.07

(0.065 - 0.11/0.47 - 0.79)

0.59 - 0.88

(0.06 - 0.09/0.43 - 0.65)

Maximum oil pressure

kg/cm

2

 (psi/kPa)

-

95

(1350 / 9300),

105 (1493/10297)

Oil pump type

-

Vane

Steering wheel - Diameter

mm (in.)

382 (15.04)

Steering wheel - Free play

mm (in.)

10 - 30 (0.394 - 1.181)

10 - 30 (0.394 - 1.181)

Oil

Gear oil GL-5 grade

Besco ATF

(DEXRON II or III)

* : 4J Series Engine Model

3B-4  STEERING

TORQUE SPECIFICATIONS

  STANDARD BOLTS

The torque values given in the following table should be applied where a particular torque is not specified.

N

⋅

m (kgf

⋅

m / lb

⋅

ft)

4.8/4T

7T

8.8

9.8/9T

Refined

Non-Refined

-

M6

×

1.0

6 (0.6 / 52 lb

⋅

in)

7 (0.7 / 61 lb

⋅

in)

8 (0.8 / 69 lb

⋅

in)

-

M8

×

1.25

13 (1.3  113)

17 (1.7 / 12)

20 (2.0 /14)

24 (2.4 / 17)

M10

×

1.25

27 (2.8 / 20)

37 (3.8 / 27)

42 (4.3 / 31)

50 (5.1 / 37)

M12

×

1.25

61 (6.3 / 45)

76 (7.8 / 56)

87 (8.9 /64)

95 (9.7 / 70)

M14

×

1.5

96 (9.8 / 71)

116 (11.8 / 85)

133 (13.6 / 98)

142 (14.5 / 105)

M16

×

1.5

130 (13.3 / 96)

170 (17.3 / 125)

193 (19.7 / 143)

200 (20.4 / 148)

M18

×

1.5

188 (19.2 / 139)

244 (24.9 / 180 )

278 (28.3 / 205)

287 (29.3 / 212)

M20

×

1.5

258 (26.3 / 190

337 (34.4 / 249)

385 (39.3 / 284)

396 (40.4 / 292)

M22

×

1.5

332 (33.9 / 245)

453 (46.3 / 335)

517 (52.7 / 381)

530 (54.1 / 391)

M24

×

2.0

449 (45.8 / 331)

570 (58.2 / 421)

651 (66.3 / 480)

692 (70.6 / 511)

*M10

×

1.5

26 (2.7 / 20)

36 (3.7 / 27)

41 (4.2 / 30)

48 (4.9 / 35)

*M12

×

1.75

57 (5.8 / 42)

71 (7.2 / 52)

80 (8.2 / 59)

89 (9.1 / 66)

*M14

×

2.0

89 (9.1 / 66)

110 (11.2 / 81)

125 (12.7 / 92)

133 (13.6 / 98)

*M16

×

2.0

124 (12.7 / 92)

162 (16.5 / 119)

185 (18.9 / 137)

191 (19.5 / 141)

M6

×

1.0

7 (0.7 /61 lb

⋅

in)

8 (0.8 / 69 lb

⋅

in)

9 (0.9 / 78 lb

⋅

in)

M8

×

1.25

15 (1.5 / 11)

19 (1.9 / 14)

22 (2.2 / 16)

26 (2.7 / 20)

M10

×

1.25

31 (3.2 / 23)

41 (4.2 / 30)

47 (4.8 / 35)

56 (5.7 / 41)

M12

×

1.25

69 (0.7 / 51)

85 (8.7 / 63)

97 (9.9 / 72)

106 (10.8 / 78)

M14

×

1.5

104 (10.6 / 77)

126 (12.8 / 93)

144 (14.6 / 106)

154 (5.7 / 114)

M16

×

1.5

145 (14.8 / 127)

188 (.2 / 139)

214 (21.8 / 158)

221 (22.5 / 163)

M18

×

1.5

-

-

-

-

M20

×

1.5

-

-

-

-

M22

×

1.5

-

-

-

-

M24

×

2.0

-

-

-

-

*M10

×

1.5

30 (3.1 / 22)

40 (4.1 / 30)

46 (4.7 / 34)

54 (5.5 / 40)

*M12

×

1.75

64 (6.5 / 47)

78 (8.0 / 58)

89 (9.1 / 66)

99 (10.1 / 73)

*M14

×

2.0

97 (9.9 / 72)

119 (12.1 / 88)

135 (13.8 / 99.7)

144 (14.7 / 107)

*M16

×

2.0

137 (14.0 / 101)

178 (18.2 / 132)

203 (20.7 / 150)

210 (21.5 / 155)

The asterisk * indicates that the bolts are used for female-threaded parts that are made of soft materials such as
casting, etc.

  FLARE NUTS

N

⋅

m (kgf

⋅

m / lb

⋅

ft)

Pipe diameter mm (in)

Torque

Pipe diameter mm (in)

Torque

4.76 (0.187)

16 (1.6 / 12)

10.00 (0.394)

54 (5.5 / 40)

6.35 (0.250)

26 (2.7 / 20)

12.00 (0.472)

88 (9.0 / 65)

8.00 (0.315)

44 (4.5 / 33)

15.00 (0.591)

106 (10.8 / 78)

Strength

Class

Bolt
Identifi-
cation

Bolt
Diameter 

××××

Pitch (mm)

Standard

Hex.

Head Bolt

Flange

Bolt

STEERING  3B-5

  SPECIAL PARTS FIXING NUTS AND BOLTS

STEERING COLUMN

N

⋅

m (kgf

⋅

m/Ib

⋅

ft)

STEERING UNIT

N

⋅

m (kgf

⋅

m/Ib

⋅

ft)