GM Service Manual Online
For 1990-2009 cars only
Table 1: Left Cylinder Head Camshaft Cover Face
Table 2: Left Cylinder Head Front Face
Table 3: Left Cylinder Head Intake Face
Table 4: Left Cylinder Head Exhaust Face
Table 5: Left Cylinder Head Rear Face
Table 6: Right Cylinder Head Camshaft Cover Face
Table 7: Right Cylinder Head Front Face
Table 8: Right Cylinder Head Intake Face
Table 9: Right Cylinder Head Exhaust Face
Table 10: Right Cylinder Head Rear Face
Table 11: Engine Block Front
Table 12: Engine Block Left Side
Table 13: Engine Block Right Side
Table 14: Engine Block Rear
Table 15: Engine Block Top
Table 16: Engine Block Left Deck Face
Table 17: Engine Block Right Deck Face
Table 18: Engine Block Lower Face
Table 19: Lower Crankcase Pan Face

Left Cylinder Head Camshaft Cover Face


Object Number: 1207060  Size: LF

Left Cylinder Head Camshaft Cover Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

6 x 1.0

201

202

N/A

203

204

205

22

0.866

18

0.709

2

6 x 1.0

608

N/A

N/A

203

204

205

26

1.024

22

0.866

3

6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

Left Cylinder Head Front Face


Object Number: 1207063  Size: LF

Left Cylinder Head Front Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

10 x 1.5

211

212

N/A

213

214

215

32

1.260

26

1.024

2

10 x 1.5

211

212

N/A

213

214

215

28

1.102

22.5

0.886

3

8 x 1.25

610

N/A

619

208

209

620

THRU

THRU

4

8 x 1.25

610

N/A

619

208

209

620

25

0.984

20

0.787

Left Cylinder Head Intake Face


Object Number: 1207066  Size: SF

Left Cylinder Head Intake Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

2

6 x 1.0

201

202

N/A

203

204

205

25

0.984

21.25

0.837

Left Cylinder Head Exhaust Face


Object Number: 1207067  Size: SF

Left Cylinder Head Exhaust Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

10 x 1.5

211

212

N/A

213

214

215

32

1.260

26

1.024

2

16 x 1.5

861

862

N/A

863

864

860

20

0.787

16

0.630

3

8 x 1.25

206

207

N/A

208

209

210

27

1.063

22

0.866

4

8 x 1.25

206

207

N/A

208

209

210

25

0.984

20

0.787

5

6 x 1.0

201

202

N/A

203

204

205

22

0.866

18

0.708

Left Cylinder Head Rear Face


Object Number: 1207068  Size: LF

Left Cylinder Head Rear Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

16 x 1.5

861

862

N/A

863

864

860

20

0.787

16

0.630

16 x 1.5

861

862

N/A

863

864

860

20

0.787

16

0.630

3

8 x 1.25

206

207

N/A

208

209

210

27

1.063

22

0.866

¹Hole 2 will require that the oil passage hole be redrilled

Right Cylinder Head Camshaft Cover Face


Object Number: 1207070  Size: LF

Right Cylinder Head Camshaft Cover Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

2

6 x 1.0

201

202

N/A

203

204

205

22

0.866

18

0.709

3

6 x 1.0

608

N/A

N/A

203

204

205

26

1.024

22

0.866

Right Cylinder Head Front Face


Object Number: 1207071  Size: LF

Right Cylinder Head Front Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

10 x 1.5

211

212

N/A

213

214

215

32

1.260

26

1.024

2

6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

3

8 x 1.25

206

207

N/A

208

209

210

THRU

THRU

4

8 x 1.25

610

N/A

619

208

209

620

25

0.984

20

0.787

Right Cylinder Head Intake Face


Object Number: 1207074  Size: SF

Right Cylinder Head Intake Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

2

6 x 1.0

201

202

N/A

203

204

205

25

0.984

21.25

0.837

Right Cylinder Head Exhaust Face


Object Number: 1207078  Size: SF

Right Cylinder Head Exhaust Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

8 x 1.25

206

207

N/A

208

209

210

25

0.984

20

0.787

2

10 x 1.5

211

212

N/A

213

214

215

32

1.260

26

1.024

3

16 x 1.5

861

862

N/A

863

864

860

20

0.787

16

0.630

Right Cylinder Head Rear Face


Object Number: 1207079  Size: LF

Right Cylinder Head Rear Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

16 x 1.5

861

862

N/A

863

864

860

20

0.787

16

0.630

2

10 x 1.5

211

212

N/A

213

214

215

32

1.260

26

1.024

3

10 x 1.5

211

212

N/A

208

214

215

32

1.260

26

1.024

4

8 x 1.25

206

207

N/A

208

209

210

27

1.063

22

0.866

5

3/8 x 18 NPSF

2013

N/A

N/A

2014

2015

2016

THRU

THRU

Engine Block Front


Object Number: 1207081  Size: LF

Engine Block Front

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

8 x 1.25

206

207

N/A

208

209

210

27

1.063

22

0.866

2

6 x 1.0

201

202

N/A

203

204

205

19.5

0.768

15.5

0.610

3

6 x 1.0

201

202

N/A

203

204

205

24

0.945

17

0.669

4

6 x 1.0

201

202

N/A

203

204

205

THRU

17

0.669

5

10 x 1.5

211

212

N/A

213

214

215

33

1.299

27

1.063

6

8 x 1.25

206

207

N/A

208

209

210

THRU

THRU

7

6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

8

10 x 1.5

211

212

N/A

213

214

215

THRU

THRU

9

8 x 1.25

610

N/A

619

208

209

620

THRU

THRU

10

6 x 1.0

201

202

N/A

203

204

205

THRU

15.5

0.610

11

8 x 1.75

2001

2002

N/A

2003

2004

2005

26

1.024

21

0.827

Engine Block Left Side


Object Number: 1207082  Size: LF

Engine Block Left Side

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

10 x 1.5

211

212

N/A

213

214

215

30

1.181

24

0.945

2

6 x 1.0

201

202

N/A

203

204

205

20

0.787

16

0.630

3

6 x 1.0

608

N/A

N/A

203

204

205

27.5

1.083

22.5

0.886

4

6 x 1.0

201

202

N/A

203

204

205

THRU

21

0.827

5

8 x 1.25

610

N/A

N/A

207

208

620

30

1.181

25

0.984

6

8 x 1.25

206

207

N/A

208

209

210

20

0.787

16

0.630

7

8 x 1.25

206

207

N/A

208

209

210

25

1.020

20

0.787

Engine Block Right Side


Object Number: 1207083  Size: LF

Engine Block Right Side

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

10 x 1.5

211

212

N/A

213

214

215

30

1.181

24

0.945

2

6 x 1.0

608

N/A

N/A

203

204

205

27.5

1.083

22.5

0.886

3

10 x 1.5

211

212

N/A

213

214

215

33

1.299

27

1.063

Engine Block Rear


Object Number: 1207084  Size: LF

Engine Block Rear

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

12 x 1.75

856

857

N/A

858

859

855

THRU

THRU

2

8 x 1.25

206

207

N/A

208

209

210

THRU

THRU

3

No Service-Not Threaded

4

8 x 1.25

206

207

N/A

208

209

210

30

1.181

24

0.945

5

8 x 1.25

206

207

N/A

208

209

210

THRU

24

0.945

Engine Block Top


Object Number: 1207085  Size: LF

Engine Block Top

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

8 x 1.25

206

207

N/A

208

209

210

23.5

0.925

18.5

0.728

2

10 x 1.5

211

212

N/A

213

214

215

31.5

1.240

26.5

1.082

Engine Block Left Deck Face


Object Number: 1207087  Size: MF

Engine Block Left Deck Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

11 x 2.0

2031

N/A

2034

2032

2033

108

73

2.874

67

2.638

2

11 x 2.0

2031

N/A

N/A

2032

2033

108

89.5

3.524

83.5

3.287

3

6 x 1.0

608

N/A

N/A

203

204

205

30

1.181

25

0.984

Engine Block Right Deck Face


Object Number: 1207089  Size: MF

Engine Block Right Deck Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

11 x 2.0

2031

N/A

2034

2032

2033

108

73

2.874

67

2.638

2

10 x 1.5

211

212

N/A

213

214

215

31.5

1.240

26.5

1.082

3

6 x 1.0

608

N/A

N/A

203

204

205

30

1.181

25

0.894

4

11 x 2.0

2031

N/A

N/A

2032

2033

108

89.5

3.524

83.5

3.287

Engine Block Lower Face


Object Number: 1207090  Size: LF

Engine Block Lower Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

10 x 1.5

511

N/A

N/A

512

513

514

32

1.260

26.5

1.043

2

8 x 1.25

610

N/A

N/A

208

209

620

THRU

THRU

3

8 x 1.25

610

N/A

N/A

208

209

620

37

1.457

32

1.260

Important: Items required for Main Bearing repair (3) 510 bolts (1) 306 Plate SPX (1) 307 bushing (1) 308 alignment pin

Lower Crankcase Pan Face


Object Number: 1207091  Size: LF

Lower Crankcase Pan Face

Hole Location

Thread Size

Drill

Counter Bore Tool

Stop Collar

Tap

Driver

Insert

Drill Depth (Maximum)

Tap Depth (Minimum)

  

J 42385-

MM

(IN)

MM

(IN)

1

6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

2

6 x 1.0

201

202

N/A

203

204

205

22

0.866

18

0.709

3

6 x 1.0

201

202

N/A

203

204

205

19

0.748

15

0.591