GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications Unit Repair

Application

N·m

Lb Ft

Lb In.

Accelerator Control Cable Bracket Bolt

10

-

89

Accessory Drive Belt Tensioner Assembly Bolt

50

37

-

Balance Shaft Gear Bolt

22+70°

16+70°

-

Balance Shaft Retainer Bolt

30

22

-

Camshaft Position Sensor Bolt

10

-

89

Camshaft Sprocket Bolt

100+90°

74+90°

-

Camshaft Thrust Plate Screw

15

11

-

Connecting Rod Cap Bolt

27+50°

20 +50°

-

Coolant Outlet Assembly Bolt

27

20

-

Coolant Pump Bolt

15+80°

11+80°

-

Coolant Pump Pulley Bolt

13

-

116

Crankshaft Balancer Bolt

150+76°

-

111+76°

Crankshaft Main Bearing Cap Bolt

Refer to Procedure

Crankshaft Position Sensor Stud

30

22

-

Crankshaft Rear Main Oil Seal Housing Bolt

15+50°

11+50°

-

Cylinder Head Bolt (New)

Refer to Procedure

Drive Belt Tensioner Bolt

50

37

-

EGR Valve Adapter Nut

50

37

-

EGR Valve Nut

29

21

-

EGR Valve Outlet Pipe Bolt/Nut (Except Upper Intake Manifold)

29

21

-

EGR Valve Outlet Pipe Bolt to Upper Intake Manifold

25

18

-

EGR Valve Wiring Harness Heat Shield Bolt/Nut

10

-

89

Engine Block Coolant Drain Plug

18

13

-

Engine Coolant Temperature Sensor

13

-

116

Engine Front Cover Bolt/Stud

15+40°

11+40°

-

Engine Front Lift Bracket Bolt

25

18

-

Engine Rear Lift Bracket Bolt/Stud

50

37

-

Exhaust Manifold Bolt/Stud

12

-

107

Exhaust Manifold Heat Shield Nut

9

-

80

Flywheel Bolt (New)

15+50°

11+50°

-

Fuel Injector Rail Assembly Nut

10

-

89

Fuel Pump and Engine Oil Pressure Gauge Sensor

13

-

116

Generator Brace Bracket Bolt

50

37

-

Heated Oxygen Sensor

42

31

-

ICM Bracket Bolt

50

37

-

ICM Assembly Nut

30

22

-

Lower Intake Manifold Bolt

Refer to Procedure

Oil Filter Adapter Bolt

30

22

-

Oil Level Indicator Bolt

10

89

-

Oil Level Switch

22

16

-

Oil Pan Bolt

14

-

125

Oil Pan Drain Plug

44

32

-

Oil Pump Cover Screw

11

-

98

Oil Pump Screen Bolt

15

11

-

Side Main Cap Bolt

15+45°

11.1+45°

-

Spark Plug Wire Retainer Bracket Bolt

30

22

-

Throttle Body Bolt/Nut

10

-

89

Timing Chain Dampener Bolt

22

16

-

Upper Intake Manifold Bolts

Refer to Procedure

Vacuum Source Manifold Screw

10

-

89

Valve Lifter Guide Retainer Bolt

30

22

-

Valve Rocker Arm Bolt

15+90°

11+90°

-

Valve Rocker Arm Cover Bolt

10

-

89

Fastener Tightening Specifications On Vehicle

Application

N·m

Lb Ft

Lb In.

Accelerator Control Cable Bracket Bolt

10

--

89

Accessory Drive Belt Tensioner Assembly Bolt

50

37

--

Balance Shaft Gear Bolt

22+70°

16+70°

--

Balance Shaft Retainer Bolt

30

22

--

Camshaft Position Sensor Bolt

10

--

89

Camshaft Sprocket Bolt

100

74

--

Camshaft Thrust Plate Screw

15

11

--

Connecting Rod Cap Bolt

27+50°

20 +50°

--

Coolant Outlet Bolt

27

20

--

Coolant Pump Bolt

15+80°

11+80°

--

Coolant Pump Pulley Bolt

13

--

116

Crankshaft Balancer Bolt

150+76°

--

111+76°

Crankshaft Main Bearing Cap Bolt

Refer to Procedure

Crankshaft Main Side Cap Bearing Bolt

15+45°

11.1+45°

--

Crankshaft Position Sensor Stud

30

22

--

Crankshaft Rear Main Oil Seal Housing Bolt

15+50°

11+50°

--

Cylinder Block Drain Plug

20

15

--

Cylinder Head "NEW" Bolt

Refer to Procedure

Drive Belt Tensioner Bolt

50

37

--

EGR Valve Adapter Bolt

25

18

--

EGR Valve Adapter Nut

50

37

--

EGR Valve Nut

29

21

--

EGR Valve Outlet Pipe Bolt/Nut (Except Upper Intake Manifold)

29

21

--

EGR Valve Outlet Pipe to Upper Intake Manifold

25

18

--

EGR Valve Wiring Harness Heat Shield Bolt/Nut

10

--

89

Engine Block Oil Gallery Plug-Rear

33

24

--

Engine Block Oil Gallery Plug-Side of Block

19

14

--

Engine Front Cover Bolt/Stud

15+40°

11+40°

--

Engine Front Lift Bracket Bolt

25

18

--

Engine Oil Pressure Gage Sensor

13

--

116

Engine Rear Lift Bracket Bolt/Stud

50

37

--

Engine Rear Lift Bracket to ICM

25

18

--

ESC Knock Sensor

18

13

--

Exhaust Manifold Bolt/Stud

12

--

107

Exhaust Manifold Heat Shield Nut

9

--

80

Flywheel "NEW" Bolt

15+50°

11+50°

--

Fuel Injector Rail Nut

10

--

89

Fuel Pump and Engine Oil Pressure Gauge Sensor

13

--

116

Generator Brace Bracket Bolt

50

37

--

Heated Oxygen Sensor

42

31

--

ICM Bracket Bolt

50

37

--

ICM Assembly Nut

30

22

--

Lower Intake Manifold Bolt

15

11

--

Oil Filter

16

12

--

Oil Filter Adapter Bolt

30

22

--

Oil Level Indicator Bolt

10

89

--

Oil Level Switch

22

16

--

Oil Pan Bolt

14

--

125

Oil Pan Drain Plug

44

32

--

Oil Pump Cover Screw

11

--

98

Oil Pump Screen Bolt

15

11

--

Side Main Cap Bolt

15+45°

11.1+45°

--

LH Spark Plug Wire Retainer Bracket Bolt

50

37

--

RH Spark Plug Wire Retainer Bracket Bolt

30

22

--

Throttle Body Bolt/Nut

10

--

89

Timing Chain Dampener Bolt

22

16

--

Upper Intake Manifold Bolts

15

11

--

Vacuum Source Manifold Screw

10

--

89

Valve Lifter Guide Retainer Bolt

30

22

--

Valve Rocker Arm Bolt

15

11

--

Valve Rocker Arm Cover Bolt

10

--

89