GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications 6.2L LS3

Application

Specification

Metric

English

Camshaft Position (CMP) Sensor Bolt

12 N路m

106 lb in

CMP Sensor Wire Harness Bolt

12 N路m

106 lb in

Camshaft Retainer Bolts - Hex Head Bolts

25 N路m

18 lb ft

Camshaft Retainer Bolts - TORX庐 Head Bolts

15 N路m

11 lb ft

Camshaft Sprocket Bolt - First Pass

75 N路m

55 lb ft

Camshaft Sprocket Bolt - Final Pass

50 degrees

Clutch Pressure Plate Bolts

70 N路m

52 lb ft

Connecting Rod Bolts - First Pass

20 N路m

15 lb ft

Connecting Rod Bolts - Final Pass

85 degrees

Coolant Air Bleed Pipe and Cover Bolts

12 N路m

106 lb in

Coolant Temperature Sensor

20 N路m

15 lb ft

Crankshaft Balancer Bolt - First Pass

150 N路m

111 lb ft

Crankshaft Balancer Bolt - Second Pass

Loosen 360 degrees

Crankshaft Balancer Bolt - Third Pass

50 N路m

37 lb ft

Crankshaft Balancer Bolt - Final Pass

230 degrees

Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence

20 N路m

15 lb ft

Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence

80 degrees

Crankshaft Bearing Cap M10 Studs - First Pass in Sequence

20 N路m

15 lb ft

Crankshaft Bearing Cap M10 Studs - Final Pass in Sequence

51 degrees

Crankshaft Bearing Cap M8 Bolts

25 N路m

18 lb ft

Crankshaft Oil Deflector Nuts

25 N路m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N路m

18 lb ft

Crankshaft Rear Oil Seal Housing Bolts

30 N路m

22 lb ft

Cylinder Head M11 Bolts - First Pass in Sequence

30 N路m

22 lb ft

Cylinder Head M11 Bolts - Second Pass in Sequence

90 degrees

Cylinder Head M11 Bolts - Final Pass in Sequence

70 degrees

Cylinder Head M8 Bolts - in Sequence

30 N路m

22 lb ft

Cylinder Head Coolant Plug

20 N路m

15 lb ft

Engine Block Coolant Drain Hole Plug

60 N路m

44 lb ft

Engine Block Coolant Heater

50 N路m

37 lb ft

Engine Block Oil Gallery Plug

60 N路m

44 lb ft

Evaporative Emission (EVAP) Canister Purge Solenoid Valve Bolt

50 N路m

37 lb ft

Exhaust Manifold Bolts - First Pass

15 N路m

11 lb ft

Exhaust Manifold Bolts - Final Pass

20 N路m

15 lb ft

Exhaust Manifold Heat Shield Bolts

9 N路m

80 lb in

Exhaust Manifold Stud

20 N路m

15 lb ft

Flywheel Bolts - First Pass

20 N路m

15 lb ft

Flywheel Bolts - Second Pass

50 N路m

37 lb ft

Flywheel Bolts - Final Pass

100 N路m

74 lb ft

Front Cover Bolts

25 N路m

18 lb ft

Fuel Injection Fuel Rail Bolts

10 N路m

89 lb in

Ignition Coil Bracket-to-Valve Rocker Arm Cover Stud

12 N路m

106 lb in

Ignition Coil-to-Bracket Bolts

10 N路m

89 lb in

Intake Manifold Bolts - First Pass in Sequence

5 N路m

44 lb in

Intake Manifold Bolts - Final Pass in Sequence

10 N路m

89 lb in

J 41798 M8 Bolt

25 N路m

18 lb ft

J 41798 M10 Bolts

50 N路m

37 lb ft

Knock Sensor Bolts

20 N路m

15 lb ft

Motor Mount Bracket Bolts

50 N路m

37 lb ft

Oil Filter

30 N路m

22 lb ft

Oil Filter Fitting

55 N路m

40 lb ft

Oil Level Indicator Tube Bolt

25 N路m

18 lb ft

Oil Level Sensor

13 N路m

115 lb in

Oil Pan Closeout Cover Bolt - Left Side

9 N路m

80 lb in

Oil Pan Closeout Cover Bolt - Right Side

9 N路m

80 lb in

Oil Pan Cover Bolts

12 N路m

106 lb in

Oil Pan Drain Plug

25 N路m

18 lb ft

Oil Pan M6 Bolts - Oil Pan-to-Rear Oil Seal Housing

12 N路m

106 lb in

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

25 N路m

18 lb ft

Oil Pressure Sensor

35 N路m

26 lb ft

Oil Pump Cover Bolts

12 N路m

106 lb in

Oil Pump Relief Valve Plug

12 N路m

106 lb in

Oil Pump Screen Nuts

25 N路m

18 lb ft

Oil Pump Screen-to-Oil Pump Bolt

12 N路m

106 lb in

Oil Pump-to-Engine Block Bolts

25 N路m

18 lb ft

Spark Plugs

15 N路m

11 lb ft

Throttle Body Bolts

10 N路m

89 lb in

Timing Chain Tensioner Bolts

25 N路m

18 lb ft

Valley Cover Bolts

25 N路m

18 lb ft

Valve Lifter Guide Bolts

12 N路m

106 lb in

Valve Rocker Arm Bolts

30 N路m

22 lb ft

Valve Rocker Arm Cover Bolts

12 N路m

106 lb in

Water Inlet Housing Bolts

15 N路m

11 lb ft

Water Pump Bolts - First Pass

15 N路m

11 lb ft

Water Pump Bolts - Final Pass

30 N路m

22 lb ft

Fastener Tightening Specifications 7.0L LS7

Application

Specification

Metric

English

Camshaft Position (CMP) Sensor Bolt

12 N路m

106 lb in

Camshaft Retainer Bolts - Hex Head Bolts

25 N路m

18 lb ft

Camshaft Retainer Bolts - TORX庐 Head Bolts

15 N路m

11 lb ft

Camshaft Sprocket Bolts

25 N路m

18 lb ft

Clutch Pressure Plate Bolts

70 N路m

52 lb ft

Connecting Rod Bolts - First Pass

20 N路m

15 lb ft

Connecting Rod Bolts - Final Pass

110 degrees

Coolant Air Bleed Pipe and Cover Bolts

12 N路m

106 lb in

Coolant Temperature Sensor

20 N路m

15 lb ft

Crankshaft Balancer Bolt - First Pass

150 N路m

111 lb ft

Crankshaft Balancer Bolt - Second Pass

Loosen 360 degrees

Crankshaft Balancer Bolt - Third Pass

50 N路m

37 lb ft

Crankshaft Balancer Bolt - Final Pass

230 degrees

Crankshaft Bearing Cap M8 Bolts

25 N路m

18 lb ft

Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence

20 N路m

15 lb ft

Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence

80 degrees

Crankshaft Bearing Cap M10 Studs - First Pass in Sequence

20 N路m

15 lb ft

Crankshaft Bearing Cap M10 Studs - Final Pass in Sequence

51 degrees

Crankshaft Oil Deflector Nuts

25 N路m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N路m

18 lb ft

Crankshaft Rear Oil Seal Housing Bolts

30 N路m

22 lb ft

Cylinder Head Coolant Plug

20 N路m

15 lb ft

Cylinder Head M8 Bolts - in Sequence

30 N路m

22 lb ft

Cylinder Head M11 Bolts - First Pass in Sequence

30 N路m

22 lb ft

Cylinder Head M11 Bolts - Second Pass in Sequence

90 degrees

Cylinder Head M11 Bolts - Final Pass in Sequence

70 degrees

Engine Block Coolant Drain Hole Plug

60 N路m

44 lb ft

Engine Block Coolant Heater

50 N路m

37 lb ft

Engine Block Oil Gallery Plugs

60 N路m

44 lb ft

Engine Mount Bracket Bolts

50 N路m

37 lb ft

Engine Oil Tank Bolts

25 N路m

18 lb ft

Engine Oil Tank Bracket Bolts

25 N路m

18 lb ft

Engine Oil Tank Clamp Nut

21 turns

Engine Oil Tank Transfer Tube Fittings

35 N路m

25 lb ft

Evaporative (EVAP) Emission Canister Purge Solenoid Valve Bracket Bolt

50 N路m

37 lb ft

Exhaust Manifold Bolts - First Pass

15 N路m

11 lb ft

Exhaust Manifold Bolts - Final Pass

20 N路m

15 lb ft

Exhaust Manifold Heat Shield Bolts

9 N路m

80 lb in

Exhaust Manifold Studs

20 N路m

15 lb ft

Flywheel Bolts - First Pass

30 N路m

22 lb ft

Flywheel Bolts - Final Pass

40 degrees

Front Cover Bolts

25 N路m

18 lb ft

Fuel Injection Fuel Rail Bolts

10 N路m

89 lb in

Ignition Coil Bracket-to-Valve Rocker Arm Cover Studs

12 N路m

106 lb in

Ignition Coil-to-Bracket Bolts

10 N路m

89 lb in

Intake Manifold Bolts - First Pass in Sequence

5 N路m

44 lb in

Intake Manifold Bolts - Final Pass in Sequence

10 N路m

89 lb in

J 41798 M8 Bolt

25 N路m

18 lb ft

J 41798 M10 Bolts

50 N路m

37 lb ft

Knock Sensor Bolts

25 N路m

18 lb ft

Oil Filter

30 N路m

22 lb ft

Oil Filter Fitting

55 N路m

40 lb ft

Oil Pan Closeout Cover Bolt - Left Side

9 N路m

80 lb in

Oil Pan Closeout Cover Bolt - Right Side

9 N路m

80 lb in

Oil Pan Drain Plugs

25 N路m

18 lb ft

Oil Pan M6 Bolts - Oil Pan-to-Rear Oil Seal Housing

12 N路m

106 lb in

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

25 N路m

18 lb ft

Oil Pressure Sensor

35 N路m

26 lb ft

Oil Pump Cover Bolts

12 N路m

106 lb in

Oil Pump Relief Valve Plug

12 N路m

106 lb in

Oil Pump Suction Pipe Bolts

12 N路m

106 lb in

Oil Pump-to-Engine Block Bolts

25 N路m

18 lb ft

Spark Plugs

15 N路m

11 lb ft

Throttle Body Bolts

10 N路m

89 lb in

Timing Chain Dampener Bolts

25 N路m

18 lb ft

Valley Cover Bolts

25 N路m

18 lb ft

Valve Lifter Guide Bolts

12 N路m

106 lb in

Valve Rocker Arm Bolts

30 N路m

22 lb ft

Valve Rocker Arm Cover Bolts

12 N路m

106 lb in

Water Inlet Housing Bolts

15 N路m

11 lb ft

Water Pump Bolts - First Pass

15 N路m

11 lb ft

Water Pump Bolts - Final Pass

30 N路m

22 lb ft

Fastener Tightening Specifications 6.2L LS9

Application

Specification

Metric

English

Camshaft Position (CMP) Sensor Bolt

12 N路m

106 lb in

Camshaft Retainer Bolts - TORX庐 Head Bolts

15 N路m

11 lb ft

Camshaft Sprocket Bolts

30 N路m

22 lb ft

Clutch Pressure Plate Bolts

70 N路m

52 lb ft

Connecting Rod Bolts - First Pass

20 N路m

15 lb ft

Connecting Rod Bolts - Final Pass

110 degrees

Coolant Air Bleed Pipe Bolt

12 N路m

106 lb in

Coolant Temperature Sensor

20 N路m

15 lb ft

Crankshaft Balancer Bolt - First Pass

150 N路m

111 lb ft

Crankshaft Balancer Bolt - Second Pass - Loosen Bolt

360 degrees

Crankshaft Balancer Bolt - Third Pass

50 N路m

37 lb ft

Crankshaft Balancer Bolt - Final Pass

230 degrees

Crankshaft Bearing Cap M8 Bolts

25 N路m

18 lb ft

Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence

20 N路m

15 lb ft

Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence

80 degrees

Crankshaft Bearing Cap M10 Studs - First Pass in Sequence

20 N路m

15 lb ft

Crankshaft Bearing Cap M10 Studs - Final Pass in Sequence

51 degrees

Crankshaft Oil Deflector Nuts

25 N路m

18 lb ft

Crankshaft Position (CKP) Sensor Bolt

25 N路m

18 lb ft

Crankshaft Rear Oil Seal Housing Bolts

30 N路m

22 lb ft

Cylinder Head Coolant Plug

20 N路m

15 lb ft

Cylinder Head M12 Bolts - First Pass in Sequence

20 N路m

15 lb ft

Cylinder Head M12 Bolts - Second Pass in Sequence

80 N路m

60 lb ft

Cylinder Head M12 Bolts - Third Pass in Sequence

90 degrees

Cylinder Head M12 Bolts - Final Pass in Sequence

45 degrees

Cylinder Head M8 Bolts - in Sequence

30 N路m

22 lb ft

Drive Belt Idler Pulley Bolts

50 N路m

37 lb ft

Drive Belt Tensioner Bolts

50 N路m

37 lb ft

Engine Block Coolant Drain Hole Plug

60 N路m

44 lb ft

Engine Block Coolant Heater

50 N路m

37 lb ft

Engine Block Oil Gallery Plug

60 N路m

44 lb ft

Engine Mount Bracket Bolts

100 N路m

74 lb ft

Engine Mount-to-Mount Bracket Nut

100 N路m

74 lb ft

Engine Oil Cooler Coolant Hose Connector

35 N路m

26 lb ft

Engine Oil Cooler Core-to-Housing Bolts

25 N路m

18 lb ft

Engine Oil Cooler-to-Oil Pan M6 Bolts

10 N路m

89 lb in

Engine Oil Cooler-to-Oil Pan M8 Bolts

25 N路m

18 lb ft

Engine Oil Tank Bolts

25 N路m

18 lb ft

Engine Oil Tank Bracket Bolts

25 N路m

18 lb ft

Engine Oil Tank Clamp Nut

21 turns

Engine Oil Tank Transfer Tube Fittings

35 N路m

26 lb ft

Engine Oil Temperature Sensor

20 N路m

15 lb ft

Evaporative Emission (EVAP) Canister Purge Solenoid Valve Bolt

10 N路m

89 lb in

Exhaust Manifold Bolts - First Pass

15 N路m

11 lb ft

Exhaust Manifold Bolts - Final Pass

20 N路m

15 lb ft

Exhaust Manifold Stud

20 N路m

15 lb ft

Flywheel Bolts - First Pass

20 N路m

15 lb ft

Flywheel Bolts - Second Pass

30 N路m

20 lb ft

Flywheel Bolts - Final Pass

40 degrees

Front Cover Bolts

30 N路m

22 lb ft

Fuel Injection Fuel Rail Bolt

10 N路m

89 lb in

Fuel Injection Fuel Rail Studs

10 N路m

89 lb in

Fuel Injector Wire Harness Bracket Bolt

--

--

Generator Bracket Bolt

50 N路m

37 lb ft

Ignition Coil -to-Valve Rocker Arm Cover Bolts

12 N路m

106 lb in

Inlet Air Temperature Sensor

20 N路m

15 lb ft

J 41798 M8 Bolt

25 N路m

18 lb ft

J 41798 M10 Bolts

50 N路m

37 lb ft

Knock Sensor Bolts

25 N路m

18 lb ft

Oil Filter

30 N路m

22 lb ft

Oil Filter Fitting

55 N路m

40 lb ft

Oil Pan Closeout Cover Bolt - Left Side

9 N路m

80 lb in

Oil Pan Closeout Cover Bolt - Right Side

9 N路m

80 lb in

Oil Pan Drain Plugs

25 N路m

18 lb ft

Oil Pan M6 Bolts - Oil Pan-to-Rear Oil Seal Housing

12 N路m

106 lb in

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

25 N路m

18 lb ft

Oil Pressure Sensor

20 N路m

15 lb ft

Oil Pump Cover Bolts

10 N路m

89 lb in

Oil Pump Relief Valve Plug

14 N路m

10 lb ft

Oil Pump Suction Pipe-to-Oil Pan Bolts

10 N路m

89 lb in

Oil Pump-to-Engine Block Bolts

25 N路m

18 lb ft

Piston Oil Nozzle Bolt

20 N路m

15 lb ft

Spark Plugs

20 N路m

15 lb ft

Supercharger Air Outlet Pressure Sensor Bolt

10 N路m

89 lb in

Supercharger Barometric Pressure Sensor Bolt

10 N路m

89 lb in

Supercharger Bypass Valve Actuator Bolts

25 N路m

18 lb ft

Supercharger Charge Air Bypass Regulator Solenoid Bolt

10 N路m

89 lb in

Supercharger Charge Air Cooler-to-Cover Bolts

10 N路m

89 lb in

Supercharger Inlet Air Pressure Sensor Bolt

10 N路m

89 lb in

Supercharger - Lower - Manifold-to-Cylinder Head Bolts-First Pass in Sequence

5 N路m

44 lb in

Supercharger - Lower - Manifold-to-Cylinder Head Bolts- Final Pass in Sequence

10 N路m

89 lb in

Supercharger - Upper - Charge Air Cooler Cover Bolts - First Pass in Sequence

5 N路m

44 lb in

Supercharger - Upper - Charge Air Cooler Cover Bolts - Final Pass in Sequence

10 N路m

89 lb in

Supercharger - Upper - Water Manifold-to-Cover Bolts

10 N路m

89 lb in

Throttle Body Bolts

10 N路m

89 lb in

Timing Chain Tensioner Bolts

25 N路m

18 lb ft

Valley Cover Bolts

25 N路m

18 lb ft

Valve Lifter Guide Bolts

12 N路m

106 lb in

Valve Rocker Arm Bolts

30 N路m

22 lb ft

Valve Rocker Arm Cover Bolts

12 N路m

106 lb in

Water Inlet Housing Bolts

15 N路m

11 lb ft

Water Pump Bolts - First Pass

15 N路m

11 lb ft

Water Pump Bolts - Final Pass

30 N路m

22 lb ft