GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications F Car

Application

Specification

Metric

English

Accelerator Control Cable Bracket Bolts

10 N·m

89 lb in

Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts

20 N·m

15 lb ft

Camshaft Position (CMP) Sensor Bolt

25 N·m

18 lb ft

Camshaft Retainer Bolts

25 N·m

18 lb ft

Camshaft Sensor Bolt

25 N·m

18 lb ft

Camshaft Sprocket Bolts

35 N·m

26 lb ft

Connecting Rod Bolts - First Pass

20 N·m

15 lb ft

Connecting Rod Bolts - Final Pass

85 degrees

Coolant Temperature Gage Sensor

20 N·m

15 lb ft

Crankshaft Balancer Bolt - Installation Pass-to Ensure the Balancer is Completely Installed

330 N·m

240 lb ft

Crankshaft Balancer Bolt - First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes

50 N·m

37 lb ft

Crankshaft Balancer Bolt - Final Pass

140 degrees

Crankshaft Bearing Cap Bolts - Inner Bolts-First Pass in Sequence

20 N·m

15 lb ft

Crankshaft Bearing Cap Bolts - Inner Bolts-Final Pass in Sequence

80 degrees

Crankshaft Bearing Cap Side Bolts

25 N·m

18 lb ft

Crankshaft Bearing Cap Studs - Outer Studs-First Pass in Sequence

20 N·m

15 lb ft

Crankshaft Bearing Cap Studs - Outer Studs-Final Pass in Sequence

51 degrees

Crankshaft Oil Deflector Nuts

25 N·m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N·m

18 lb ft

Cylinder Head Bolts - First Pass all M11 Bolts in Sequence

30 N·m

22 lb ft

Cylinder Head Bolts - Second Pass all M11 Bolts in Sequence

90 degrees

Cylinder Head Bolts - Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head

90 degrees

Cylinder Head Bolts - Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence

50 degrees

Cylinder Head Bolts - M8 Inner Bolts in Sequence

30 N·m

22 lb ft

Cylinder Head Coolant Plug

20 N·m

15 lb ft

Cylinder Head Core Hole Plug

20 N·m

15 lb ft

Engine Block Coolant Drain Plugs

60 N·m

44 lb ft

Engine Block Heater

40 N·m

30 lb ft

Engine Block Oil Gallery Plugs

60 N·m

44 lb ft

Engine Coolant Air Bleed Pipe Bolts and Studs

12 N·m

106 lb in

Engine Flywheel Bolts - First Pass

20 N·m

15 lb ft

Engine Flywheel Bolts - Second Pass

50 N·m

37 lb ft

Engine Flywheel Bolts - Final Pass

100 N·m

74 lb ft

Engine Front Cover Bolts

25 N·m

18 lb ft

Engine Rear Cover Bolts

30 N·m

22 lb ft

Engine Service Lift Bracket M10 Bolts

50 N·m

37 lb ft

Engine Service Lift Bracket M8 Bolt

25 N·m

18 lb ft

Engine Valley Cover Bolts

25 N·m

18 lb ft

Exhaust Manifold Bolts - First Pass

15 N·m

11 lb ft

Exhaust Manifold Bolts - Final Pass

20 N·m

15 lb ft

Exhaust Manifold Heat Shield Bolts

9 N·m

80 lb in

Fuel Injection Fuel Rail Bolts

10 N·m

89 lb in

Ignition Coil-to-Bracket Bolts

12 N·m

106 lb in

Ignition Coil Bracket-to-Valve Rocker Arm Cover Bolts

12 N·m

106 lb in

Intake Manifold Bolts - First Pass in Sequence

5 N·m

44 lb in

Intake Manifold Bolts - Final Pass in Sequence

10 N·m

89 lb in

Knock Sensors

20 N·m

15 lb ft

Oil Filter

30 N·m

22 lb ft

Oil Filter Fitting

55 N·m

40 lb ft

Oil Level Indicator Tube Bolt

25 N·m

18 lb ft

Oil Level Sensor

13 N·m

115 lb in

Oil Pan Baffle Bolts

12 N·m

106 lb in

Oil Pan Closeout Cover Bolt - Left Side

12 N·m

106 lb in

Oil Pan Closeout Cover Bolt - Right Side

12 N·m

106 lb in

Oil Pan Cover Bolts

12 N·m

106 lb in

Oil Pan Drain Plug

25 N·m

18 lb ft

Oil Pan M8 Bolts - Oil Pan-to-Engine Block and Oil Pan-to-Front Cover

25 N·m

18 lb ft

Oil Pan M6 Bolts - Oil Pan-to-Rear Cover

12 N·m

106 lb in

Oil Pressure Sensor

20 N·m

15 lb ft

Oil Pump-to-Engine Block Bolts

25 N·m

18 lb ft

Oil Pump Cover Bolts

12 N·m

106 lb in

Oil Pump Relief Valve Plug

12 N·m

106 lb in

Oil Pump Screen Nuts

25 N·m

18 lb ft

Oil Pump Screen-to-Oil Pump Bolt

12 N·m

106 lb in

Oxygen Sensor

42 N·m

31 lb ft

Positive Crankcase Ventilation (PCV) System Strap Nut - at Right Front Engine Coolant Air Bleed Pipe Stud

12 N·m

106 lb in

Spark Plugs - Cylinder Heads-New

20 N·m

15 lb ft

Spark Plugs - all Subsequent Installations

15 N·m

11 lb ft

Throttle Body Bolts

12 N·m

106 lb in

Valve Lifter Guide Bolts

12 N·m

106 lb in

Valve Rocker Arm Bolts

30 N·m

22 lb ft

Valve Rocker Arm Cover Bolts

12 N·m

106 lb in

Water Inlet Housing Bolts

15 N·m

11 lb ft

Water Pump Bolts - First Pass

15 N·m

11 lb ft

Water Pump Bolts - Final Pass

30 N·m

22 lb ft

Water Pump Cover Bolts

15 N·m

11 lb ft

Fastener Tightening Specifications Y Car

Application

Specification

Metric

English

Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts

20 N·m

15 lb ft

AIR Right Side Pipe Bracket-to-Cylinder Head Bolt

20 N·m

15 lb ft

Camshaft Position (CMP) Sensor Bolt

25 N·m

18 lb ft

Camshaft Retainer Bolts

25 N·m

18 lb ft

Camshaft Sensor Bolt

25 N·m

18 lb ft

Camshaft Sprocket Bolts

35 N·m

26 lb ft

Connecting Rod Bolts - First Pass

20 N·m

15 lb ft

Connecting Rod Bolts - Final Pass

75 degrees

Coolant Temperature Gage Sensor

20 N·m

15 lb ft

Crankshaft Balancer Bolt - Installation Pass-to Ensure the Balancer is Completely Installed

330 N·m

240 lb ft

Crankshaft Balancer Bolt - First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes

50 N·m

37 lb ft

Crankshaft Balancer Bolt - Final Pass

140 degrees

Crankshaft Bearing Cap Bolts - Inner Bolts-First Pass in Sequence

20 N·m

15 lb ft

Crankshaft Bearing Cap Bolts - Inner Bolts-Final Pass in Sequence

80 degrees

Crankshaft Bearing Cap Side Bolts

25 N·m

18 lb ft

Crankshaft Bearing Cap Studs - Outer Studs-First Pass in Sequence

20 N·m

15 lb ft

Crankshaft Bearing Cap Studs - Outer Studs-Final Pass in Sequence

51 degrees

Crankshaft Oil Deflector Nuts

25 N·m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N·m

18 lb ft

Cylinder Head Bolts - First Pass all M11 Bolts in Sequence

30 N·m

22 lb ft

Cylinder Head Bolts - Second Pass all M11 Bolts in Sequence

90 degrees

Cylinder Head Bolts - Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head

90 degrees

Cylinder Head Bolts - Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence

50 degrees

Cylinder Head Bolts - M8 Inner Bolts in Sequence

30 N·m

22 lb ft

Cylinder Head Coolant Plug

20 N·m

15 lb ft

Cylinder Head Core Hole Plug

20 N·m

15 lb ft

Engine Block Coolant Drain Plugs

60 N·m

44 lb ft

Engine Block Heater

40 N·m

30 lb ft

Engine Block Oil Gallery Plugs

60 N·m

44 lb ft

Engine Coolant Air Bleed Pipe Bolts and Studs

12 N·m

106 lb in

Engine Flywheel Bolts - First Pass

20 N·m

15 lb ft

Engine Flywheel Bolts - Second Pass

50 N·m

37 lb ft

Engine Flywheel Bolts - Final Pass

100 N·m

74 lb ft

Engine Flywheel Hub Collar Bolt - Automatic Transmission

130 N·m

96 lb ft

Engine Front Cover Bolts

25 N·m

18 lb ft

Engine Rear Cover Bolts

30 N·m

22 lb ft

Engine Service Lift Bracket M8 Bolt

25 N·m

18 lb ft

Engine Service Lift Bracket M10 Bolts

50 N·m

37 lb ft

Engine Valley Cover Baffle Cover Bolts - LS6

5 N·m

44 lb in

Engine Valley Cover Bolts

25 N·m

18 lb ft

Exhaust Manifold Bolts - First Pass

15 N·m

11 lb ft

Exhaust Manifold Bolts - Final Pass

20 N·m

15 lb ft

Exhaust Manifold Heat Shield Bolts

9 N·m

80 lb in

Flywheel Housing Bolt

50 N·m

37 lb ft

Fuel Injection Fuel Rail Bolts

10 N·m

89 lb in

Ignition Coil Bracket-to-Valve Rocker Arm Cover Bolts

12 N·m

106 lb in

Ignition Coil-to-Bracket Bolts

12 N·m

106 lb in

Intake Manifold Bolts - First Pass in Sequence

5 N·m

44 lb in

Intake Manifold Bolts - Final Pass in Sequence

10 N·m

89 lb in

Knock Sensors

20 N·m

15 lb ft

Oil Filter

30 N·m

22 lb ft

Oil Filter Fitting

55 N·m

40 lb ft

Oil Level Indicator Tube Bolt

25 N·m

18 lb ft

Oil Level Sensor

13 N·m

115 lb in

Oil Pan - Lower - Bolts

12 N·m

106 lb in

Oil Pan Closeout Cover Bolt - Left Side

12 N·m

106 lb in

Oil Pan Closeout Cover Bolt - Right Side

12 N·m

106 lb in

Oil Pan Drain Plug

25 N·m

18 lb ft

Oil Pan M8 Bolts - Oil Pan-to-Engine Block and Oil Pan-to-Front Cover

25 N·m

18 lb ft

Oil Pan M6 Bolts - Oil Pan-to-Rear Cover

12 N·m

106 lb in

Oil Pressure Sensor

20 N·m

15 lb ft

Oil Pump Cover Bolts

12 N·m

106 lb in

Oil Pump Relief Valve Plug

12 N·m

106 lb in

Oil Pump Screen Nuts

25 N·m

18 lb ft

Oil Pump Screen-to-Oil Pump Bolt

12 N·m

106 lb in

Oil Pump-to-Engine Block Bolts

25 N·m

18 lb ft

Oil Temperature Sensor

20 N·m

15 lb ft

Oil Pan Cover Bolts

12 N·m

106 lb in

Positive Crankcase Ventilation (PCV) System Strap Nut - at Right Front Engine Coolant Air Bleed Pipe Stud

12 N·m

106 lb in

Spark Plugs - Cylinder Heads - New

20 N·m

15 lb ft

Spark Plugs - all Subsequent Installations

15 N·m

11 lb ft

Throttle Body Bolts

12 N·m

106 lb in

Valve Lifter Guide Bolts

12 N·m

106 lb in

Valve Rocker Arm Bolts

30 N·m

22 lb ft

Valve Rocker Arm Cover Bolts

12 N·m

106 lb in

Vapor Vent Pipe and Cover Bolts and Studs

12 N·m

106 lb in

Water Inlet Housing Bolts

15 N·m

11 lb ft

Water Pump Bolts - First Pass

15 N·m

11 lb ft

Water Pump Bolts - Final Pass

30 N·m

22 lb ft

Water Pump Cover Bolts

15 N·m

11 lb ft

Application

Specification

Metric

English

A/C Belt Tensioner Bolt

25 N·m

18 lb ft

A/C Compressor and Condenser Hose Bolt (at Accumulator)

16 N·m

12 lb ft

A/C Compressor and Condenser Hose Bolt (at Compressor)

33 N·m

24 lb ft

A/C Compressor Bolts

50 N·m

37 lb ft

A/C Compressor Bracket Bolts

50 N·m

37 lb ft

A/C Condenser Tube Nut

16 N·m

12 lb ft

Accelerator Control Cable Bracket Bolts

10 N·m

89 lb in

Air Conditioning (A/C) Belt Idler Pulley Bolt

50 N·m

37 lb ft

Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts

20 N·m

15 lb ft

Battery Positive Cable Nut (at Generator Output Stud)

22 N·m

16 lb ft

Brake Pipe Fitting

15 N·m

11 lb ft

Camshaft Position (CMP) Sensor Bolt

25 N·m

18 lb ft

Camshaft Retainer Bolt

25 N·m

18 lb ft

Camshaft Sprocket Bolt

35 N·m

26 lb ft

Catalytic Converter Nut

25 N·m

18 lb ft

Clutch Pressure Plate Bolt (In Sequence and Evenly Over 3 Increments)

70 N·m

52 lb ft

Connecting Rod Bolts - First Pass

20 N·m

15 lb ft

Connecting Rod Bolts - Final Pass

85 degrees

Coolant Temperature Gage Sensor

20 N·m

15 lb ft

Cooler Line Fitting

27 N·m

20 lb ft

Crankshaft Balancer Bolt - Installation Pass-to Ensure the Balancer is Completely Installed

330 N·m

240 lb ft

Crankshaft Balancer Bolt - First Pass - Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes

50 N·m

37 lb ft

Crankshaft Balancer Bolt - Final Pass

140 degrees

Crankshaft Bearing Cap Bolts - Inner Bolts - First Pass in Sequence

20 N·m

15 lb ft

Crankshaft Bearing Cap Bolts - Inner Bolts - Final Pass in Sequence

80 degrees

Crankshaft Bearing Cap Side Bolts

25 N·m

18 lb ft

Crankshaft Bearing Cap Studs - Outer Studs - First Pass in Sequence

20 N·m

15 lb ft

Crankshaft Bearing Cap Studs - Outer Studs - Final Pass in Sequence

51 degrees

Crankshaft Oil Deflector Nut

25 N·m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N·m

18 lb ft

Crossmember Bolt (Lower)

145 N·m

107 lb ft

Crossmember Bolt (Upper)

125 N·m

92 lb ft

Cylinder Head Bolts (First Pass all M11 Bolts in Sequence)

30 N·m

22 lb ft

Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence)

90 degrees

Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head)

90 degrees

Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence)

50 degrees

Cylinder Head Bolts (M8 Inner Bolts in Sequence)

30 N·m

22 lb ft

Cylinder Head Coolant Plug

20 N·m

15 lb ft

Drive Belt Idler Pulley Bolt

50 N·m

37 lb ft

Drive Belt Tensioner Bolt

50 N·m

37 lb ft

End Link Nut

23 N·m

17 lb ft

Engine Block Coolant Drain Plugs

60 N·m

44 lb ft

Engine Block Heater

40 N·m

30 lb ft

Engine Block Oil Gallery Plugs

60 N·m

44 lb ft

Engine Coolant Air Bleed Pipe Bolts and Studs

12 N·m

106 lb in

Engine Flywheel Bolt (First Pass)

20 N·m

15 lb ft

Engine Flywheel Bolt (Second Pass)

50 N·m

37 lb ft

Engine Flywheel Bolt (Final Pass)

100 N·m

74 lb ft

Engine Front Cover Bolts

25 N·m

18 lb ft

Engine Mount Bolt

50 N·m

37 lb ft

Engine Mount Bracket Bolt

58 N·m

43 lb ft

Engine Mount Heat Shield Nut

10 N·m

89 lb in

Engine Mount Stud

50 N·m

37 lb ft

Engine Mount Through Bolt

95 N·m

70 lb ft

Engine Mount Through Bolt Nut

10 N·m

89 lb in

Engine Oil Filter

30 N·m

22 lb ft

Engine Rear Cover Bolts

30 N·m

22 lb ft

Engine Service Lift Bracket M10 Bolts

50 N·m

37 lb ft

Engine Service Lift Bracket M8 Bolt

25 N·m

18 lb ft

Engine Valley Cover Bolt

25 N·m

18 lb ft

Engine Wire Harness Clip Bolt

50 N·m

37 lb ft

Engine Wire Harness Clip Bolt (at Automatic Transmission)

2.5 N·m

22 lb in

Engine Wire Harness Ground Bolt

50 N·m

37 lb ft

Engine Wire Harness Ground Bolt (at Frame Rail)

12 N·m

106 lb in

Engine Wire Harness Ground Bolt (Left Side of Engine Block)

30 N·m

22 lb ft

Exhaust Manifold Bolts - First Pass

15 N·m

11 lb ft

Exhaust Manifold Bolts - Final Pass

20 N·m

15 lb ft

Exhaust Manifold Heat Shield Bolts

9 N·m

80 lb in

Exhaust Manifold Pipe Nut

35 N·m

26 lb ft

Front Fuel Pipe Heat Shield Nut

5 N·m

44 lb in

Fuel Injection Fuel Rail Bolts

10 N·m

89 lb in

Fuseblock Stud Nut

14 N·m

10 lb ft

Generator Bolt

50 N·m

37 lb ft

Generator Rear Bracket Bolt

25 N·m

18 lb ft

Ground Terminal Bolt

6 N·m

53 lb in

Ignition Coil-to-Bracket Bolts

12 N·m

106 lb in

Ignition Coil Bracket-to-Valve Rocker Arm Cover Studs

12 N·m

106 lb in

Intake Manifold Bolts (First Pass in Sequence)

5 N·m

44 lb in

Intake Manifold Bolts (Final Pass in Sequence)

10 N·m

89 lb in

Intermediate Steering Shaft Bolt

47 N·m

35 lb ft

Knock Sensors

20 N·m

15 lb ft

Negative Battery Cable Lead Bolt

32 N·m

24 lb ft

Oil Filter

30 N·m

22 lb ft

Oil Filter Fitting

55 N·m

40 lb ft

Oil Level Indicator Tube Bolt

25 N·m

18 lb ft

Oil Level Sensor

13 N·m

115 lb in

Oil Pan Baffle Bolts

12 N·m

106 lb in

Oil Pan Bolt (M8)

25 N·m

18 lb ft

Oil Pan Closeout Cover Bolt - Left Side

12 N·m

106 lb in

Oil Pan Closeout Cover Bolt - Right Side

12 N·m

106 lb in

Oil Pan Cover Bolts

12 N·m

106 lb in

Oil Pan Drain Plug

25 N·m

18 lb ft

Oil Pan M8 Bolts - Oil Pan-to-Engine Block and Oil Pan-to-Front Cover

25 N·m

18 lb ft

Oil Pan M6 Bolts - Oil Pan-to-Rear Cover

12 N·m

106 lb in

Oil Pressure Sensor

20 N·m

15 lb ft

Oil Pump-to-Engine Block Bolts

25 N·m

18 lb ft

Oil Pump Cover Bolts

12 N·m

106 lb in

Oil Pump Relief Valve Plug

12 N·m

106 lb in

Oil Pump Screen Nuts

25 N·m

18 lb ft

Oil Pump Screen-to-Oil Pump Bolt

12 N·m

106 lb in

Oxygen Sensor

42 N·m

31 lb ft

Positive Battery Cable Fitting

15 N·m

11 lb ft

Positive Crankcase Ventilation (PCV) System Strap Nut - at Right Front Engine Coolant Air Bleed Pipe Stud

12 N·m

106 lb in

Powertrain Control Module (PCM) Connector Bolt

8 N·m

71 lb in

Power Steering Gear Bolt

85 N·m

63 lb ft

Power Steering Pump Bolt

25 N·m

18 lb ft

Power Steering Pump Bracket Bolt

50 N·m

37 lb ft

Secondary Air Injection (AIR) Pipe Bolt

20 N·m

15 lb ft

Secondary Air Injection (AIR) Switch Valve Bracket Bolt

20 N·m

15 lb ft

Secondary Air Injection (AIR) Switch Valve Bracket Nut

12 N·m

106 lb in

Shock Absorber Bolt

65 N·m

48 lb ft

Spark Plug (All Subsequent Installations)

15 N·m

11 lb ft

Spark Plug (New Cylinder Head)

20 N·m

15 lb ft

Stabilizer Bar Bracket Bolt/Stud

55 N·m

41 lb ft

Throttle Body Bolts

12 N·m

106 lb in

Torque Converter Bolt

63 N·m

47 lb ft

Transmission Bolt (Automatic Transmission)

95 N·m

70 lb ft

Transmission Bolt (Manual Transmission)

50 N·m

37 lb ft

Transmission Cover Bolt

12 N·m

106 lb in

Transmission Fill Tube Bolt

50 N·m

37 lb ft

Transmission Oil Cooler Line Fitting

27 N·m

20 lb ft

Transmission Support Bolt

57 N·m

42 lb ft

Upper Control Arm Nut

53 N·m

39 lb ft

Valve Lifter Guide Bolt

12 N·m

106 lb in

Valve Rocker Arm Bolt

30 N·m

22 lb ft

Valve Rocker Arm Cover Bolt

12 N·m

106 lb in

Water Inlet Housing Bolts

15 N·m

11 lb ft

Water Pump Bolts - First Pass

15 N·m

11 lb ft

Water Pump Bolts - Final Pass

30 N·m

22 lb ft

Water Pump Cover Bolts

15 N·m

11 lb ft