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PRE-RELEASE

Thread Repair Specifications (LDK, LHU)

Thread Repair Specifications (LDK, LHU)

Engine Block - Front View


Engine Block - Front View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

206

207

208

209

23.5

0.93

18.5

0.73

2

M12 x 1.75

855

856

857

858

859

33.5

1.32

26.5

1.04

3

M10 x 1.5

215

211

212

213

214

24.5

0.96

19.5

0.77

4

M6 x 1

205

201

202

203

204

20

0.787

16

0.63



Engine Block - Back View


Engine Block - Back View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

206

207

208

209

24

0.945

THRU

2

M10 x 1.5

215

211

212

213

214

29

1.161

THRU

3

M12 x 1.75

855

856

857

858

859

39

1.535

33.5

1.32

4

M16 x 1.5

860

861

862

863

864

21

0.827

15

0.59



Engine Block - Right Side View


Engine Block - Right Side View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M6 x 1

205

201

202

203

204

22.5

0.886

16

0.63

2

M10 x 1.5

215

211

212

213

214

34

1.339

27

1.063

3

M12 x 1.75

865

856

857

858

859

19.5

0.768

12.5

0.49



Engine Block - Bottom View


Engine Block - Bottom View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

206

207

208

209

28

1.102

22

0.87

2

M10 x 1.5

514

511

N/A

512

513

60

2.362

53.5

2.11



Engine Block - Left Side View


Engine Block - Left Side View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M6 x 1

205

201

202

203

204

20.5

0.807

16.5

0.65

2

M10 x 1.5

215

211

212

213

214

23.5

0.925

18

0.71

3

M8 x 1.25

210

206

207

208

209

30.5

1.201

22.5

0.89

4

M12 x 1.75

865

856

857

858

859

15.5

0.61

12.5

0.49

5

M12 x 1.75

865

856

857

858

859

19.5

0.778

12.5

0.49



Engine Block - Top View


Engine Block - Top View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

206

207

208

209

23.5

0.925

18.5

0.73

2

M11 x 1.5

507

504

N/A

505

506

77.5

3.053

70

2.758

3

M12 x 1.75

865

856

857

858

859

13.5

0.531

12.5

0.49



Lower Crankcase - Front View


Lower Crankcase - Front View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

206

207

208

209

23.5

0.925

18.5

0.73

2

M8 x 1.25

210

206

207

208

209

30.5

1.201

25.5

1.00



Lower Crankcase - Back View


Lower Crankcase - Back View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M10 x 1.5

215

211

212

213

214

29.5

1.161

THRU



Lower Crankcase - Bottom View


Lower Crankcase - Bottom View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

206

207

208

209

23.5

0.925

18.5

0.73



Lower Crankcase - Right View


Lower Crankcase - Right View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M10 x 1.5

215

211

212

213

214

34

1.339

27

1.063



Lower Crankcase - Left View


Lower Crankcase - Left View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

211

212

213

214

34

1.339

27

1.063



Cylinder Head - Top View


Cylinder Head - Top View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M6 x 1

205

852

N/A

203

204

23

0.906

19

0.748

2

M6 x 1

205

201

202

203

204

20

0.787

16

0.63

3

M14 x 1.75

856

857

N/A

858

859

THRU

THRU

4

M8 x 1.25

854

853

N/A

208

209

30

1.182

27

1.063



Cylinder Head - Intake Manifold Deck View


Cylinder Head - Intake Manifold Deck View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M6 x 1

205

201

202

203

204

20

0.787

16

0.63

2

M8 x 1.25

210

206

207

208

209

20

0.787

16

0.63

3

M8 x 1.25

205

201

202

203

204

16

0.630

12

0.473



Cylinder Head - Exhaust Manifold Deck View


Cylinder Head - Exhaust Manifold Deck View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M6 x 1

205

201

202

203

204

20

0.78

16

0.63

2

M8 x 1.25

210

206

207

208

209

25

0.984

20

0.78



Cylinder Head - Front View


Cylinder Head - Front View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M6 x 1

205

201

202

203

204

20

0.787

16

0.63

2

M8 x 1.25

210

206

207

208

209

25

0.984

20

0.787



Cylinder Head - Back View


Cylinder Head - Back View

Service Call Out Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth Maximum Tap Depth Maximum
J 42385-850

MM

IN

MM

IN

1

M8 x 1.25

210

206

207

208

209

25

0.984

20

0.787

2

M12 x 1.75

865

856

857

858

859

18

0.709

14

0.551

3

M6 x 1

205

201

202

203

204

20

0.787

16

0.63



PRE-RELEASE