GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 XLR 🢒 Engine 🢒 Engine Mechanical - 4.4L 🢒 Thread Repair Specifications
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
Table 20: Engine Front Cover
Table 21: Camshaft Position Actuator Housing
Table 22: Camshaft Covers
Table 23: Oil Pan - Top
Table 24: Oil Pan - Left
Table 25: Oil Pan - Right
Table 26: Oil Pan - Rear
Table 27: Charge Air Cooler Housing - Top
Table 28: Charge Air Cooler Housing - Front
Table 29: Charge Air Cooler Housing - Rear
Table 30: Charge Air Cooler Manifold - Front

Left Cylinder Head Camshaft Cover Face
Object Number: 835986 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

M6 x 1.0

608

N/A

N/A

203

204

205

26.0

1.0236

22.0

0.8661

2

M6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

3

M20 x 1.5

715

716

N/A

717

718

719

32.0

1.2598

21.0

0.8268

4

M6 x 1.0

201

202

N/A

203

204

205

22.0

0.8661

18.0

0.7087

Left Cylinder Head Front Face
Object Number: 835989 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

M8 x 1.25

206

207

N/A

208

209

210

27.0

1.0630

22.0

0.8661

2

M6 x 1.0

201

202

N/A

203

204

205

30.0

1.1811

26.0

1.0236

3

M8 x 1.25

610

N/A

619

208

209

620

27.0

1.0630

22.0

0.8661

4

M6 x 1.0

201

202

N/A

203

204

205

22.0

0.8661

18.0

0.7087

5

M10 x 1.5

211

212

N/A

213

214

215

32.0

1.2599

26.0

1.0236

Left Cylinder Head Intake Face
Object Number: 1644569 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

M8 x 1.25

206

207

N/A

208

209

210

25.00

0.9843

21.25

0.8366

Left Cylinder Head Exhaust Face
Object Number: 835992 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

M10 x 1.5

211

212

N/A

213

214

215

32.0

1.2599

27.5

1.0827

2

M16 x 1.5

861

862

N/A

863

864

860

20.0

0.7874

16.0

0.6299

3

M10 x 1.5

211

212

N/A

213

214

215

32.0

1.2599

26.0

1.0236

4

M6 x 1.0

201

202

N/A

203

204

205

22.0

0.8661

18.0

0.7087

5

M8 x 1.25

206

207

N/A

208

209

210

25.0

0.9843

20.0

0.7874

Left Cylinder Head Rear Face
Object Number: 835993 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

M16 x 1.5

861

862

N/A

863

864

860

20.0

0.7874

16.0

0.6299

2

M8 x 1.25

206

207

N/A

208

209

210

27.0

1.0630

22.0

0.8661

Right Cylinder Head Camshaft Cover Face
Object Number: 835994 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

M6 x 1.0

608

N/A

N/A

203

204

205

26.0

1.0240

22.0

0.8660

2

M6 x 1.0

201

202

N/A

203

204

205

22.0

0.8660

18.0

0.7090

3

M6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

4

M20 x 1.5

715

716

N/A

717

718

719

32.0

1.2598

21.0

0.8268

Right Cylinder Head Front Face
Object Number: 835995 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

M6 x 1.0

201

202

N/A

203

204

205

30.0

1.1811

26.0

1.0236

2

M6 x 1.0

201

202

N/A

203

204

205

22.0

0.8661

18.0

0.7087

3

M8 x 1.25

206

207

N/A

208

209

210

27.0

1.0630

22.0

0.8661

4

M8 x 1.25

610

N/A

619

208

209

620

27.0

1.0630

22.0

0.8661

Right Cylinder Head Intake Face
Object Number: 1644571 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

M8 x 1.25

206

207

N/A

208

209

210

25.00

0.9843

21.25

0.8366

Right Cylinder Head Exhaust Face
Object Number: 835998 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

M10 x 1.5

211

212

N/A

213

214

215

32.0

1.2599

27.5

1.0827

2

M16 x 1.5

861

862

N/A

863

864

860

20.0

0.7874

16.0

0.6299

3

M8 x 1.25

206

207

N/A

208

209

210

25.0

0.9843

20.0

0.7874

Right Cylinder Head Rear Face
Object Number: 836000 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

M16 x 1.5

861

862

N/A

863

864

860

20.0

0.7874

16.0

0.6299

2

M8 x 1.25

206

207

N/A

208

209

210

27.0

1.0630

22.0

0.8661

3

M10 x 1.5

211

212

N/A

213

214

215

32.0

1.2598

26.0

1.0240

4

3/8 - 18

NPSF

2013

N/A

N/A

2014

2015

2016

THRU

THRU

Engine Block Front
Object Number: 1644572 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

M6 x 1.0

201

202

N/A

203

204

205

19.5

0.7677

15.5

0.6102

2

M8 x 1.25

206

207

N/A

208

209

210

27.0

1.0630

22.0

0.8661

3

M6 x 1.0

201

202

N/A

203

204

205

23.0

0.9055

19.0

0.7480

4

M6 x 1.0

201

202

N/A

203

204

205

THRU

17.0

0.6693

5

M6 x 1.0

201

202

N/A

203

204

205

24.0

0.9449

17.0

0.6693

6

M6 x 1.0

201

202

N/A

203

204

205

THRU

15.5

0.6102

7

M8 x 1.25

206

207

N/A

208

209

210

THRU

THRU

8

M10 x 1.5

211

212

N/A

213

214

420

30.0

1.1811

24.0

0.9449

9

M10 x 1.5

211

212

N/A

213

214

420

THRU

THRU

10

M6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

11

M6 x 1.0

201

202

N/A

203

204

205

20.25

0.7972

16.25

0.6398

12

M6 x 1.0

201

202

N/A

203

204

205

23.75

0.9350

19.75

0.7776

13

M8 x 1.75

2001

2002

N/A

2003

2004

2005

26.75

1.0532

21.75

0.8563

Engine Block Left Side
Object Number: 1644573 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

M10 x 1.5

211

212

N/A

213

214

420

30.0

1.1811

24.0

1.0827

2

M6 x 1.0

201

202

N/A

203

204

205

25.0

0.9843

21.0

0.8268

3

M8 x 1.25

610

N/A

N/A

208

209

620

30.0

1.1811

25.0

0.9843

4

M8 x 1.25

206

207

N/A

208

209

210

20.0

0.7874

16.0

0.6299

Engine Block Right Side
Object Number: 1644575 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

M10 x 1.5

211

212

N/A

213

214

420

30.0

1.1811

24.0

1.0827

2

M8 x 1.25

206

207

N/A

208

209

210

24.5

0.9646

15.0

0.5906

Engine Block Rear
Object Number: 1644578 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

M10 x 1.5

211

212

N/A

213

214

420

THRU

THRU

2

M8 x 1.25

206

207

N/A

208

209

210

THRU

THRU

3

M10 x 1.5

211

212

N/A

213

214

420

39.75

1.5650

33.75

1.0827

4

M10 x 1.5

211

212

N/A

213

214

420

THRU

THRU

5

M10 x 1.5

211

212

N/A

213

214

420

39.0

1.5354

33.0

1.2992

Engine Block Top
Object Number: 1644580 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

M6 x 1.0

201

202

N/A

203

204

205

20.0

0.7874

16.0

0.6299

2

M8 x 1.25

206

207

N/A

208

209

210

23.5

0.9252

18.5

0.7283

3

M8 x 1.25

206

207

N/A

208

209

210

23.0

0.9055

19.0

0.7480

4

M6 x 1.0

201

202

N/A

203

204

205

23.0

0.9055

19.0

0.7480

Engine Block Left Deck Face
Object Number: 1644615 Size: LF

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

M6 x 1.0

608

N/A

N/A

203

204

205

30.0

1.1811

25.0

0.9843

2

M11 x 2.0

2031

N/A

2034

2032

2033

108

73.0

2.8740

67.0

2.6378

3

M11 x 2.0

2031

N/A

N/A

2032

2033

108

89.5

3.5236

83.5

3.2874

Engine Block Right Deck Face
Object Number: 1644581 Size: LF

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

M11 x 2.0

2031

N/A

2034

2032

2033

108

73.0

2.8740

67.0

2.6378

2

M6 x 1.0

608

N/A

N/A

203

204

205

30.0

1.1811

25.0

0.9843

3

M11 x 2.0

2031

N/A

N/A

2032

2033

108

89.5

3.5236

83.5

3.2874

Engine Block Lower Face
Object Number: 1644582 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

M10 x 1.5

No Service Tools Available

40.0

1.5748

34.5

1.3583

2

M10 x 1.5

511

N/A

N/A

512

513

514

32.0

1.2598

26.5

1.0433

3

M6 x 1.0

201

202

N/A

203

204

205

24.0

0.9449

17.0

0.6693

4

M8 x 1.25

610

N/A

N/A

208

209

620

THRU

THRU

5

M8 x 1.25

610

N/A

N/A

208

209

620

37.0

1.4567

32.0

1.2598

Lower Crankcase Pan Face
Object Number: 836020 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

M8 x 1.25

206

207

N/A

208

209

210

25.0

0.9843

20.0

0.7874

2

M6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

3

M6 x 1.0

201

202

N/A

203

204

205

22.0

0.8661

18.0

0.7087

Engine Front Cover
Object Number: 1644584 Size: LF

Engine Front Cover

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

M10 x 1.5

211

212

N/A

213

214

215

32.5

1.2795

27.0

1.0630

2

M6 x 1.0

201

202

N/A

203

204

205

22.5

0.8858

18.5

0.7283

3

M6 x 1.0

201

202

N/A

203

204

205

THRU

18.5

0.7823

4

M18 x 1.5

No Service Tools Available

11.7

0.4606

9.0

0.3543

Camshaft Position Actuator Housing
Object Number: 1682716 Size: MF

Camshaft Position Actuator Housing

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

M6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

2

M6 x 1.0

201

202

N/A

203

204

205

18.0

0.7087

14.0

0.5512

3

M10 x 1.5

N/A

N/A

N/A

N/A

N/A

N/A

THRU

THRU

Camshaft Covers
Object Number: 1254577 Size: SF

Camshaft Covers

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

M6 x 1.0

201

202

N/A

203

204

205

THRU

THRU

2

M6 x 1.0

201

202

N/A

203

204

205

23.0

0.9055

19.0

0.7480

#1 Threads are created initially when coil ground strap bolt is installed.

Oil Pan - Top
Object Number: 1254579 Size: LF

Oil Pan - 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

M6 x 1.0

201

202

N/A

203

204

205

--

--

--

--

Oil Pan - Left
Object Number: 1254582 Size: SF

Oil Pan - Left

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

M12 x 1.75

856

857

N/A

858

859

865

THRU

THRU

Oil Pan - Right
Object Number: 1254584 Size: SF

Oil Pan - Right

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

M20 x 1.5

715

716

N/A

717

718

719

THRU

THRU

Oil Pan - Rear
Object Number: 1254589 Size: MF

Oil Pan - 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

M10 x 1.5

211

212

N/A

213

214

215

37.0

1.4567

31.5

1.2401

Charge Air Cooler Housing - Top
Object Number: 1644590 Size: LF

Charge Air Cooler Housing - 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

M8 x 1.25

206

207

N/A

208

209

210

28.50

1.1220

23.00

0.9055

2

M6 x 1.0

201

202

N/A

203

204

205

22.50

0.8858

18.00

0.7087

Charge Air Cooler Housing - Front
Object Number: 1644592 Size: SF

Charge Air Cooler Housing - 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

M6 x 1.0

201

202

N/A

203

204

205

22.50

0.8858

18.00

0.7087

Charge Air Cooler Housing - Rear
Object Number: 1644601 Size: SF

Charge Air Cooler Housing - 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

M6 x 1.0

201

202

N/A

203

204

205

22.50

0.8858

18.00

0.7087

Charge Air Cooler Manifold - Front
Object Number: 1644603 Size: SF

Charge Air Cooler Manifold - 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

M8 x 1.25

206

207

N/A

208

209

210

28.50

1.1220

23.00

0.9055

2

M6 x 1.0

201

202

N/A

203

204

205

25.00

0.9843

20.00

0.7874