Automotive Engine Torque Specs


Torque Specifications for
GM 3.1L-191ci-V6

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: