Hummer H2. Manual — part 1690

Engine Block - Bottom View

Fig. 5: Engine Block Bolt Holes - Bottom View
Courtesy of GENERAL MOTORS CORP.

Engine Block - Bottom View

5

M10 x 1.5

215

211

212

213

214

27.0 (1.062)

21.5 (0.846)

6

M16 x 1.5

N/A

N/A

N/A

N/A

N/A

N/A

N/A

7

M11 x 2.0

First

Design

108

105

N/A

106

107

124.0 (4.88)

115.0 (4.52)

7

M11 x 2.0

Second

Design

108

105

N/A

106

107

69.0 (2.72)

60.0 (2.36)

z

Bolt holes 7, second design, and 3 have a 30 mm (1.18 in) counterbore included in the 69.0 mm
(2.72 in) drill depth. Use sleeve J 42385-315 with the drill and tap.

z

Bolt holes 7, first design, have a 85 mm (3.34 in) counterbore included in the 124.0 mm (4.88 in)
drill depth.

Thread

Counterbore

Drill Depth -

Maximum mm

Tap Depth -

Maximum mm

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Hole

Size

Insert

Drill

Tool

Tap

Driver

(in)

(in)

1

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

2

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

3

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

4

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

5

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

6

M16 x

1.5

-

-

-

-

-

-

-

7

N/A

-

-

-

-

-

-

-

8

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

9

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

10-

11

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

12

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

13-

14

M10 x

1.5

J

42385-

215

J

42385-

101

-

J

42385-

213

J

42385-

214

42.5 (1.67)

37.0 (1.45)

15

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

16

M16 x

1.5

-

-

-

-

-

-

-

17

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

18

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

19

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

20

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

21

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

22

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

23

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

24

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

25-

26

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

27

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

28-

29

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

30

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

31

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

32

M28 x

1.25

-

-

-

-

-

-

-

33

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

22.5 (0.885)

17.5 (0.688)

34

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

53.5 (2.10)

44.0 (1.73)

35

M10 x

2.0

J

42385-

104

J

42385-

101

-

J

42385-

102

J

42385-

103

31.0 (1.22)

25.5 (1.0)

J

J

J

J

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Engine Block - Top View

Fig. 6: Engine Block Bolt Holes - Top View
Courtesy of GENERAL MOTORS CORP.

Engine Block - Top View

36

M8 x

1.25

42385-

210

42385-

206

J 42385-207

42385-

208

42385-

209

22.5 (0.885)

17.5 (0.688)

z

Bolt holes 2, 5, 10, 11, 18, 21, 24, 28, 29, and 34 have a 20.5 mm (0.807 in) counterbore included
in the 53.5 mm (2.10 in) drill depth.

z

Bolt holes 1, 4, 9, 12, 17, 20, 23, 27, 30, and 35 have a 1.5 mm (0.059 in) counterbore included in
the 31.0 mm (1.22 in) drill depth. Use sleeve J 42385-316 with the drill and tap.

z

Bolt holes 13 and 14 have a 11.5 mm (0.452 in) counterbore included in the 42.5 mm (1.67 in)
drill depth. Use sleeve J 42385-311 with the drill and tap.

Hole

Thread

Size

Insert

Drill

Counterbore

Tool

Tap

Driver

Drill Depth -

Maximum mm

(in)

Tap Depth -

Maximum mm

(in)

1-4

M8 x

J

42385-

J

42385-

J 42385-207

J

42385-

J

42385-

26.5 (1.04)

19.0 (0.784)

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2