Hummer H3. Manual — part 74

Fig. 5: Engine Block - Front View
Courtesy of GENERAL MOTORS CORP.

Engine Block - Front View

Engine Block - Rear View

Service

Hole

Location

Thread

Size

Drill

Counterbore

Tool

Stop

Collar Tap Driver Insert

Drill

Depth
(Max)

Tap

Depth

(Min)

J 42385-400 . See Special Tools.

mm (in) mm (in)

1

M 6 x 1 405

n/a

407

203

204

205

30 1.182 26 1.024

2

M 6 x 1 201

202

n/a

203

204

205

18 0.709 14 0.551

3

M 6 x 1 201

202

n/a

203

204

205

22 0.866 18 0.709

4

M 8 x

1.25

206

207

n/a

208

209

210

23 0.906 18 0.709

5

M 16 x

1.5

405

n/a

407

203

204

205

24 0.945 16 0.630

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 6: Engine Block - Rear View
Courtesy of GENERAL MOTORS CORP.

Engine Block - Rear View

Cylinder Head - Top View

Service

Hole

Location

Thread

Size

Drill

Counterbore

Tool

Stop

Collar Tap Driver Insert

Drill

Depth
(Max)

Tap

Depth

(Min)

J 42385-400 . See Special Tools.

mm (in) mm (in)

1

M 16 x

1.5

n/a

n/a

n/a

n/a

n/a

n/a

39 1.536 33 1.300

2

M 10 x

1.5

211

212

n/a

213

214

420

39 1.536 33 1.300

3

M 6 x 1 201

202

n/a

203

204

205

20 0.788 16 0.630

4

M 8 x 1 206

207

n/a

208

209

210

39 1.536 33 1.300

5

M 6 x 1 211

212

n/a

213

214

215

39 1.536 33 1.300

6

M 10 x

1.5

211

212

n/a

213

214

215

57 2.245 54 2.127

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

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

Cylinder Head - Top View

Cylinder Head - End - Front View

Service

Hole

Location

Thread

Size

Drill

Counterbore

Tool

Stop

Collar Tap Driver Insert

Drill

Depth
(Max)

Tap

Depth

(Min)

J 42385-400 . See Special Tools.

mm (in) mm (in)

1

M 6 x 1 405

n/a

406

203

204

205

28 1.103 24 0.945

2

M 6 x 1 201

202

n/a

203

204

205

THRU

THRU

3

M 6 x 1 201

202

n/a

203

204

205

22 0.866 18 0.709

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

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

Cylinder Head - End - Front View

Cylinder Head - End - Rear View

Service

Hole

Location

Thread

Size

Drill

Counterbore

Tool

Stop

Collar Tap Driver Insert

Drill

Depth
(Max)

Tap

Depth

(Min)

J 42385-400 . See Special Tools.

mm (in) mm (in)

1

M 6 x 1 201

202

n/a

203

204

205

28 1.103 22 0.866

2

M 10 x

1.5

211

212

n/a

213

214

215

28 1.103 22 0.866

3

M 24 x

1.5

n/a

n/a

n/a

n/a

n/a

n/a

THRU

THRU

4

M 8 x

1.25

206

207

n/a

208

209

210

28 1.103 23 0.906

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3