Automotive Engine Torque Specs

Torque Specifications for
GM 3.1L-191ci-V6-3100

Bell Housing Cover To Bell Housing

5 Ft-Lbs

60 In-Lbs

6.78 N-m

Years: All

Note: 3100 - Torque Converter Cover Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Bracket/Stay To Cylinder Head

52 Ft-Lbs

624 In-Lbs

70.5 N-m

Years: All

Note: 3100 - Left Strut Mount to Cylinder Head Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Bracket/Stay To Engine Block

37 Ft-Lbs

444 In-Lbs

50.17 N-m

Years: All

Note: 3100 - A/C Compressor Mounting Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Bracket/Stay To Engine Block

37 Ft-Lbs

444 In-Lbs

50.17 N-m

Years: All

Note: 3100 - Right Strut Mount to Engine Block

Type:

Dim:

Length:

Head:

Grade:

Bracket/Stay To Engine Block

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: 3100 - Torque Strut Through Bolt Nuts

Type: Bolt

Dim:

Length:

Head: Nut

Grade:

Bracket/Stay To Oil Pan

43 Ft-Lbs

516 In-Lbs

58.3 N-m

Years: All

Note: 3100 - Front Mount Bracket to Oil Pan Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Camshaft Position Sensor To Engine Block

8 Ft-Lbs

96 In-Lbs

10.85 N-m

Years: All

Note: 3100 - Camshaft Position Sensor Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Connecting Rod To Crankshaft

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: All

Note: 3100 - Rod Caps - 2 Steps: 15 FtLbs; +75deg

Type:

Dim:

Length:

Head:

Grade:

Crankshaft To Engine Block

37 Ft-Lbs

444 In-Lbs

50.17 N-m

Years: All

Note: 3100 - Main Bearing Caps - 2 Steps: 37 FtLbs; +77deg

Type:

Dim:

Length:

Head:

Grade:

Crankshaft Position Sensor To Engine Block

8 Ft-Lbs

96 In-Lbs

10.85 N-m

Years: All

Note: 3100 - Crankshaft Position Sensor Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Cylinder Head To Engine Block

33 Ft-Lbs

396 In-Lbs

44.74 N-m

Years: 1995-1997

Note: 3100 - Head Bolts - 2 Steps: 33FtLbs; +90deg

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Cylinder Head To Engine Block

37 Ft-Lbs

444 In-Lbs

50.17 N-m

Years: 1998-2001

Note: 3100 - Head Bolts - 2 Steps: 37FtLbs; +90deg

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Cylinder Head To Engine Block

44 Ft-Lbs

528 In-Lbs

59.66 N-m

Years: 2002-TBD

Note: 3100 - Head Bolts - 2 Steps: 44FtLbs; +95deg

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Drain Plug To Oil Pan

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: All

Note: 3100 - Oil Drain Plug

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Engine Mount To Transaxle

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: 3100 - Rear Engine Mount Nuts to Transaxle Bracket

Type:

Dim:

Length:

Head: Nut

Grade:

Engine Mount To Bracket/Stay

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: 3100 - Front Engine Mount to Bracket Nuts

Type: Stud

Dim:

Length:

Head: Nut

Grade:

Engine Mount To Body

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: 3100 - Rear Engine Mount to Chassis Nuts

Type:

Dim:

Length:

Head: Nut

Grade:

Exhaust Manifold To Cylinder Head

12 Ft-Lbs

144 In-Lbs

16.27 N-m

Years: All

Note: 3100 - Exhaust Manifold to Cylinder Head

Type:

Dim:

Length:

Head:

Grade:

Exhaust Pipe To Exhaust Manifold

19 Ft-Lbs

228 In-Lbs

25.76 N-m

Years: All

Note: 3100 - Exhaust Pipe to Exhaust Manifold Nuts

Type:

Dim:

Length:

Head: Nut

Grade:

Exhaust Pipe To Exhaust System

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: All

Note: 3100 - Exhaust Crossover Pipe Nuts

Type: Stud

Dim:

Length:

Head: Nut

Grade:

Flywheel To Crankshaft

61 Ft-Lbs

732 In-Lbs

82.7 N-m

Years: 1996-1997

Note: 3100 - Flywheel/Driveplate to Crankshaft Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Flywheel To Crankshaft

52 Ft-Lbs

624 In-Lbs

70.5 N-m

Years: 1998-2002

Note: 3100 - Flywheel/Driveplate to Crankshaft Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Flywheel To Crankshaft

59 Ft-Lbs

708 In-Lbs

79.99 N-m

Years: TBD-1995

Note: 3100 - Flywheel/Driveplate to Crankshaft Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Fuel Pressure Regulator To Fuel Line

13 Ft-Lbs

156 In-Lbs

17.63 N-m

Years: All

Note: 3100 - Fuel Pressure Regulator to Fuel Pipe Nut

Type:

Dim:

Length:

Head: Nut

Grade:

Fuel Pressure Regulator To Bracket/Stay

6.67 Ft-Lbs

80 In-Lbs

9.04 N-m

Years: All

Note: 3100 - Fuel Pressure Regulator Mounting Screw

Type: Screw

Dim:

Length:

Head:

Grade:

Fuel Rail To Intake Manifold

7.42 Ft-Lbs

89 In-Lbs

10.06 N-m

Years: All

Note: 3100 - Fuel Rail Mounting Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Heat Shield To Exhaust Manifold

7.42 Ft-Lbs

89 In-Lbs

10.06 N-m

Years: All

Note: 3100 - Heat Shield

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Idle Air Control Valve To Throttle Body

2.25 Ft-Lbs

27 In-Lbs

3.05 N-m

Years: All

Note: 3100 - Idle Air Control Valve to Throttle Body

Type: Screw

Dim:

Length:

Head:

Grade:

Intake Manifold To Cylinder Head

9.58 Ft-Lbs

115 In-Lbs

13 N-m

Years: All

Note: 3100 - Lower Bolts - 2 Steps: 5 FtLbs; 9.58 FtLbs

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Intake Manifold To Cylinder Head

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: All

Note: 3100 - Upper Bolts/Studs

Type: Bolt

Dim:

Length:

Head: Nut

Grade:

Oil Pan To Engine Block

37 Ft-Lbs

444 In-Lbs

50.17 N-m

Years: All

Note: 3100 - Oil Pan Side Bolts (3 on Rear Side)

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Oil Pan To Engine Block

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: All

Note: 3100 - Oil Pan to Engine Block

Type:

Dim:

Length:

Head:

Grade:

Oil Pump To Engine Block

30 Ft-Lbs

360 In-Lbs

40.67 N-m

Years: All

Note: 3100 - Oil Pump Mounting Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Power Steering Pump To Bracket/Stay

25 Ft-Lbs

300 In-Lbs

33.9 N-m

Years: All

Note: 3100 - Power Steering Pump Mounting Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Pulley To Water Pump

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: All

Note: 3100 - Water Pump Pully Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Rocker Arm To Cylinder Head

7.42 Ft-Lbs

89 In-Lbs

10.06 N-m

Years: 1995-1997

Note: 3100 - Rocker Arm Bolts - 2 Steps: 7.42 FtLbs; +30deg

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Rocker Arm To Cylinder Head

14 Ft-Lbs

168 In-Lbs

18.98 N-m

Years: 1998-2002

Note: 3100 - Rocker Arm Bolts - 2 Steps: 14 FtLbs; +30deg

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Spark Plug To Cylinder Head

11 Ft-Lbs

132 In-Lbs

14.91 N-m

Years: All

Note: 3100 - Spark Plug

Type:

Dim:

Length:

Head: Hexagon

Grade:

Thermostat Housing Cover To Thermostat Housing

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: All

Note: 3100 - Thermostat Housing Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Throttle Body To Intake Manifold

21 Ft-Lbs

252 In-Lbs

28.47 N-m

Years: All

Note: 3100 - Throttle Body Bolts/Nuts

Type:

Dim:

Length:

Head:

Grade:

Thrust Plate To Engine Block

11 Ft-Lbs

132 In-Lbs

14.92 N-m

Years: All

Note: 3100 - Camshaft Retainer Plate

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: 1996-1997

Note: 3100 - Timing Chain Cover Bolts - LARGE

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: 1996-1997

Note: 3100 - Timing Chain Cover Bolts - SMALL

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

41 Ft-Lbs

492 In-Lbs

55.59 N-m

Years: 1998-2000

Note: 3100 - Timing Chain Cover Bolts - LARGE

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: 1998-2000

Note: 3100 - Timing Chain Cover Bolts - MEDIUM

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: 1998-2000

Note: 3100 - Timing Chain Cover Bolts - SMALL

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

41 Ft-Lbs

492 In-Lbs

55.59 N-m

Years: 2001-2001

Note: 3100 - Timing Chain Cover Bolts - LARGE

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

41 Ft-Lbs

492 In-Lbs

55.59 N-m

Years: 2001-2001

Note: 3100 - Timing Chain Cover Bolts - MEDIUM

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: 2001-2001

Note: 3100 - Timing Chain Cover Bolts - SMALL

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

41 Ft-Lbs

492 In-Lbs

55.59 N-m

Years: 2002-TBD

Note: 3100 - Timing Chain Cover Bolts - LARGE

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: 2002-TBD

Note: 3100 - Timing Chain Cover Bolts - SMALL

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

41 Ft-Lbs

492 In-Lbs

55.59 N-m

Years: TBD-1995

Note: 3100 - Timing Chain Cover Bolts - LARGE

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: TBD-1995

Note: 3100 - Timing Chain Cover Bolts - SMALL

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Sprocket To Camshaft

81 Ft-Lbs

972 In-Lbs

109.82 N-m

Years: 1996-1997

Note: 3100 - Camshaft Sprocket Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Sprocket To Camshaft

103 Ft-Lbs

1236 In-Lbs

139.65 N-m

Years: 1998-2002

Note: 3100 - Camshaft Sprocket Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Sprocket To Camshaft

74 Ft-Lbs

888 In-Lbs

100.33 N-m

Years: TBD-1995

Note: 3100 - Camshaft Sprocket Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Tensioner To Engine Block

18 Ft-Lbs

216 In-Lbs

24.4 N-m

Years: 1995-1995

Note: 3100 - Timing Chaing Damper Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Tensioner To Engine Block

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: 1996-2002

Note: 3100 - Timing Chaing Damper Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Torque Converter To Flexplate/Driveplate

46 Ft-Lbs

552 In-Lbs

62.37 N-m

Years: All

Note: 3100 - Torque Converter to Drive Plate Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Valve Cover To Cylinder Head

7.42 Ft-Lbs

89 In-Lbs

10.06 N-m

Years: All

Note: 3100 - Valve Cover to Cylinder Head Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Vibration Damper/Hub To Crankshaft

76 Ft-Lbs

912 In-Lbs

103.04 N-m

Years: All

Note: 3100 - Vibration Damper Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Water Pump To Engine Block

7.42 Ft-Lbs

89 In-Lbs

10.06 N-m

Years: All

Note: 3100 - Water Pump Attaching Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade: