Hummer H2. Manual — part 1691

Cylinder Head - Top View

Fig. 7: Cylinder Head Bolt Holes - Top View
Courtesy of GENERAL MOTORS CORP.

Cylinder Head - Top View

1.25

210

206

208

209

5

M16 x

1.5

-

-

-

-

-

-

-

6-7

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

26.5 (1.04)

19.0 (0.784)

8

M10 x

1.5

J

42385-

216

J

42385-

211

J 42385-212

J

42385-

213

J

42385-

214

22.5 (0.885)

17.0 (0.669)

9-10

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

26.5 (1.04)

19.0 (0.784)

11

M10 x

1.5

J

42385-

216

J

42385-

211

J 42385-212

J

42385-

213

J

42385-

214

22.5 (0.885)

17.0 (0.669)

12-

14

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

26.5 (1.04)

19.0 (0.784)

Hole

Thread

Size

Insert

Drill

Counterbore

Tool

Tap

Driver

Drill Depth -

Maximum mm

(in)

Tap Depth -

Maximum mm

(in)

1-5

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

26.5 (1.04)

19.0 (0.784)

2004 Hummer H2

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

Cylinder Head - End View

Fig. 8: Cylinder Head Bolt Holes - End View
Courtesy of GENERAL MOTORS CORP.

Cylinder Head - End View

6-9 M6 x 1.0

J

42385-

205

J

42385-

201

J 42385-202

J

42385-

203

J

42385-

204

20.05 (0.789)

16.05 (0.632)

10-

12

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

26.5 (1.04)

19.0 (0.784)

Hole

Thread

Size

Insert

Drill

Counterbore

Tool

Tap

Driver

Drill Depth -

Maximum mm

(in)

Tap Depth -

Maximum mm

(in)

1

M10 x

1.5

J

42385-

215

J

42385-

211

J 42385-212

J

42385-

213

J

42385-

214

28.0 (1.10)

20.0 (0.787)

2

-

N/A

-

-

-

-

-

-

3

M10 x

1.5

J

42385-

215

J

42385-

211

J 42385-212

J

42385-

213

J

42385-

214

28.0 (1.10)

20.0 (0.787)

2004 Hummer H2

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

Cylinder Head - Exhaust Manifold Deck View

Fig. 9: Cylinder Head Bolt Holes - Exhaust Manifold Deck View
Courtesy of GENERAL MOTORS CORP.

Cylinder Head - Exhaust Manifold Deck View

4

N/A

-

-

-

-

-

-

-

5-6

M10 x

1.5

J

42385-

215

J

42385-

211

J 42385-212

J

42385-

213

J

42385-

214

28.0 (1.10)

20.0 (0.787)

Hole

Thread

Size

Insert

Drill

Counterbore

Tool

Tap

Driver

Drill Depth -

Maximum mm

(in)

Tap Depth -

Maximum mm

(in)

1-2

M10 x

1.5

J

42385-

215

J

42385-

211

J 42385-212

J

42385-

213

J

42385-

214

28.0 (1.10)

20.0 (0.787)

3

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

21.0 (0.826)

16.0 (0.629)

4

M14 x

1.25

-

-

-

-

-

-

-

5

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

21.0 (0.826)

16.0 (0.629)

6

M14 x

1.25

-

-

-

-

-

-

-

7-8

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

21.0 (0.826)

16.0 (0.629)

2004 Hummer H2

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

Cylinder Head - Intake Manifold Deck View

Fig. 10: Cylinder Head Bolt Holes - Intake Manifold Deck View
Courtesy of GENERAL MOTORS CORP.

Cylinder Head - Intake Manifold Deck View

9

M14 x

1.25

-

-

-

-

-

-

-

10

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

21.0 (0.826)

16.0 (0.629)

11

M14 x

1.25

-

-

-

-

-

-

-

12

M8 x

1.25

J

42385-

210

J

42385-

206

J 42385-207

J

42385-

208

J

42385-

209

21.0 (0.826)

16.0 (0.629)

13

M12 x

1.5

-

-

-

-

-

-

-

14-

15

M10 x

1.5

J

42385-

215

J

42385-

211

J 42385-212

J

42385-

213

J

42385-

214

28.0 (1.10)

20.0 (0.787)

Hole

Thread

Size

Insert

Drill

Counterbore

Tool

Tap

Driver

Drill Depth -

Maximum mm

(in)

Tap Depth -

Maximum mm

(in)

1-2 M6 x 1.0

J

42385-

205

J

42385-

201

J 42385-202

J

42385-

203

J

42385-

204

Thru

Thru

3-4 M6 x 1.0

J

42385-

J

42385-

J 42385-202

J

42385-

J

42385-

22.5 (0.885)

15.0 (0.688)

2004 Hummer H2

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