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Torque Specifications

ENGINE - 7.3L DIESEL GENERAL SPECIFICATIONS CHART

Description

Nm

lb-ft

lb-in

A/C compressor mounting bracket to engine

48

35

-

A/C manifold line to compressor

20

15

-

Access cover bolts

27

20

-

Camshaft thrust plate to engine retaining bolts

24

18

-

Camshaft position (CMP) sensor to engine front cover

24 N.m.

18 Ft. Lbs.

-

Connecting rod nuts⁽¹⁾

-

-

-

Crankshaft vibration damper bolt/crankshaft pulley bolt

287

212

-

Cylinder head bolts⁽¹⁾

-

-

-

Engine front cover bolts

20

15

-

Engine mount bolts

115

85

-

Engine mount insulator to bracket mounts

90

66

-

Exhaust adapter pipe-to-exhaust manifold bolts

24

18

-

Exhaust adapter pipe-to-exhaust manifold nuts

24

18

-

Engine ground cable nut

47

35

-

Engine mount nuts

90

66

-

Exhaust manifold (to cylinder head) (M10)⁽²⁾

61

45

-

Flywheel housing cover mounting screws

20

15

-

Flywheel mounting bolt (automatic transmission)

121

89

-

Fuel filter housing retaining bolts

31

23

-

Fuel injector hold-down bolt

14

10

-

Generator bracket to cylinder head (lower)

48

35

-

Generator bracket to cylinder head (upper)

48

35

-

High-pressure oil pump drive gear retaining bolt

129

96

-

High-pressure oil reservoir retaining bolts

24

18

-

Main bearing cap bolts⁽³⁾ or ⁽¹⁾

-

-

-

Oil cooler front header retaining bolts

24

18

-

Oil cooler rear header retaining bolts

24

18

-

Oil deflector retaining bolt

14

10

-

Oil level gauge tube adapter nut

33

24

-

Oil level indicator tube adapter nut

33

24

-

Oil pan to cylinder block

24

18

-

Oil pump body plate bolts

14

10

-

Oil pump screen cover and tube retaining bolts

24

18

-

Oil pump screen cover and tube retaining nut

24

18

-

Oil supply line to cylinder head fitting

26

19

-

Piston oil cooling jet retaining bolt

11

8

-

Pulley to crankshaft damper⁽⁴⁾

-

-

-

Rear oil seal retaining bolts

20

15

-

Rocker arm pedestal attaching bolts

27

20

-

Torque converter to flywheel retaining nuts

35

26

-

Transmission to engine bolts

61

45

-

Turbocharger exhaust inlet pipe-to-exhaust manifold bolts

28

21

-

Turbocharger pedestal mounting bolts

24

18

-

Valve cover bolt

11

8

-

Class 9.8 Metric Fasteners

M4

3

-

27

M5

7

-

62

M6

11

8

-

M8

27

20

-

M10

52

38

-

M12

78

58

-

M14

125

92

-

M16

193

142

-

Class 10.9 Metric Fasteners

M6

14

10

-

M8

35

26

-

M10

68

50

-

M12

100

74

-

M14

160

118

-

M16

248

183

-

M20

483

356

-

M24

835

616

-

Grade 5 UNC Fasteners

1/4-inch

9

-

80

5/16-inch

20

15

-

Grade 5 UNF Fasteners

1/4-inch

12

9

-

5/16-inch

23

17

-

Grade 8 UNC Fasteners

3/8-inch

55

41

-

7/16-inch

90

66

-

1/2-inch

130

96

-

9/16-inch

190

140

-

5/18-inch

255

188

-

3/4-inch

460

339

-

7/8-inch

745

550

-

Grade 8 UNF Fasteners

3/8-inch

60

44

-

7/16-inch

95

70

-

1/2-inch

150

111

-

9/16-inch

210

155

-

5/18-inch

290

214

-

3/4-inch

515

380

-

7/8-inch

825

609

-

Pipe Threads

1/8 x 27

9

-

80

1/4 x 18

20

15

-

3/8 x 18

37

27

-

1/2 x 14

40

30

-

⁽¹⁾	Refer to the procedure in this article.

⁽²⁾	Apply Threadlock® and Sealer EOAZ-19554-AA or equivalent meeting Ford specifications WSK-M2G351-A5 and ESE-M4G204-A2 to all threads prior to assembly.

⁽³⁾	Tighten four main bearing cap bolts to 102 Nm (75 lb-ft) before final torque is applied.

⁽⁴⁾	Refer to Standard Torque - English or Standard Torque - Metric chart in the Specifications portion of this article.