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

Accessory Drive Belt Idler Pulley Bolt

50 N·m

37 lb ft

Accessory Drive Belt Tensioner Bolt

50 N·m

37 lb ft

Air Conditioning (A/C) Compressor and Condenser Hose Bolt

27 N·m

20 lb ft

A/C Drive Belt Idler Pulley Bolt

50 N·m

37 lb ft

A/C Drive Belt Tensioner Bolt

50 N·m

37 lb ft

Air Conditioning Drive Belt Tensioner Bolt

25 N·m

18 lb ft

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

Automatic Transmission Fluid Cooler Line Clamp Bolt (at Oil Pan)

12 N·m

106 lb in

Automatic Transmission Fluid Cooler Line Clamp Bolt (at Right Transmission Cover)

2.2 N·m

19 lb in

Automatic Transmission Fluid Cooler Pipe

25 N·m

18 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

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 Nut

25 N·m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N·m

18 lb ft

Crossmember Nut

110 N·m

81 lb ft

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

30 N·m

22 lb ft

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

90 degrees

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

50 degrees

Cylinder Head Bolt (M8 Inner Bolts in Sequence)

30 N·m

22 lb ft

Cylinder Head Coolant Plug

20 N·m

15 lb ft

Driveline Close-out Panel Bolt

12 N·m

106 lb in

Driveline Support Bolt

50 N·m

37 lb ft

Driveline Support Plug

50 N·m

37 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 in Sequence)

20 N·m

15 lb ft

Engine Flywheel Bolt (Second Pass in Sequence)

50 N·m

37 lb ft

Engine Flywheel Bolt (Final Pass in Sequence)

100 N·m

74 lb ft

Engine Flywheel Hub Collar Bolt - Automatic Transmission

130 N·m

96 lb ft

Engine Front Cover Bolt

25 N·m

18 lb ft

Engine Mount Bracket Bolt

50 N·m

37 lb ft

Engine Mount Nut

65 N·m

48 lb ft

Engine Mount-to-Engine Mount Bracket Nut

65 N·m

48 lb ft

Engine Oil Filter

30 N·m

22 lb ft

Engine Rear Cover Bolt

30 N·m

22 lb ft

Engine Service Lift Bracket M8 Bolt

25 N·m

18 lb ft

Engine Service Lift Bracket M10 Bolt

50 N·m

37 lb ft

Engine Valley Cover Baffle Bolts - LS6

5 N·m

44 lb in

Engine Valley Cover Bolt

25 N·m

18 lb ft

Engine Wiring Harness Generator Lead Nut

13 N·m

115 lb in

Engine Wiring Harness Ground Strap Bolt

32 N·m

24 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

Generator Bracket Bolt

50 N·m

37 lb ft

Ignition Coil Bracket-to-Valve Rocker Arm Cover Studs

12 N·m

106 lb in

Ignition Coil-to-Bracket Bolts

12 N·m

106 lb in

Intake Manifold Bolt (First Pass in Sequence)

5 N·m

44 lb in

Intake Manifold Bolt (Final Pass in Sequence)

10 N·m

89 lb in

Intermediate Steering Shaft Bolt

48 N·m

35 lb ft

Knock Sensor

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 Bolt

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 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 Nut

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 Pan Cover Bolts

12 N·m

106 lb in

Oil Temperature Sensor

20 N·m

15 lb ft

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

12 N·m

106 lb in

Power Steering Pump Bolt

25 N·m

18 lb ft

Propeller Shaft Hub Collar Bolt

125 N·m

92 lb ft

Spark Plug (Cylinder Heads-New)

20 N·m

15 lb ft

Spark Plug (all Subsequent Installations)

15 N·m

11 lb ft

Steering Knuckle Nut (First Pass)

20 N·m

15 lb ft

Steering Knuckle Nut (Second Pass)

50 degrees

Steering Knuckle Nut (Final Pass)

55 N·m

41 lb ft

Throttle Body Bolts

12 N·m

106 lb in

Transmission Cover Bolt

12 N·m

106 lb in

Transmission Wiring Harness Clip Bolt (near the Harness Ground)

32 N·m

23 lb ft

Transmission Wiring Harness Clip Bolt (near the Oil Pan)

25 N·m

18 lb ft

Transmission Wiring Harness Bracket Bolt

50 N·m

37 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