Automotive Engine Torque Specs

Torque Specifications for
GM 4.3L-262ci-V6-CHEVROLET90

Balance Shaft Sprocket To Balance Shaft

12 Ft-Lbs

144 In-Lbs

16.27 N-m

Years: All

Note: Vortec - Drive Gear Retaining Stud

Type: Stud

Dim:

Length:

Head:

Grade:

Balance Shaft Sprocket To Balance Shaft

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: All

Note: Vortec - Driven Gear Bolt - 2 Steps: 15 FtLbs; +35degs

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Connecting Rod To Engine Block

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Vortec - Rod Cap Nuts - 2 Steps: 20 FtLbs; +70degs

Type:

Dim:

Length:

Head: Nut

Grade:

Cover Plate To Transmission

46 Ft-Lbs

552 In-Lbs

62.37 N-m

Years: All

Note: Vortec - Torque Converter Cover Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Crankshaft To Engine Block

75 Ft-Lbs

900 In-Lbs

101.69 N-m

Years: -1994

Note: Vortec - Main Bearing Cap Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Crankshaft To Engine Block

81 Ft-Lbs

972 In-Lbs

109.82 N-m

Years: 1995-1995

Note: Vortec - Main Bearing Cap Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Crankshaft To Engine Block

77 Ft-Lbs

924 In-Lbs

104.4 N-m

Years: 1996-1998

Note: Vortec - Main Bearing Cap Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Crankshaft To Engine Block

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: 1999-

Note: Vortec - Main Bearing Cap Bolts - 2 Steps: 15 FtLbs; +75degs

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Crankshaft Position Sensor To Engine Block

8 Ft-Lbs

96 In-Lbs

10.85 N-m

Years: -1998

Note: Vortec - CMFI/CSEFI Engine

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Crankshaft Position Sensor To Engine Block

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: 1999-

Note: Vortec - CMFI/CSEFI Engine

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Cylinder Head To Cylinder Head

65 Ft-Lbs

780 In-Lbs

88.13 N-m

Years: -1995

Note: Vortec - Head Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Cylinder Head To Cylinder Head

22 Ft-Lbs

264 In-Lbs

29.83 N-m

Years: 1996-

Note: Vortec - Head Bolts - LONG - 2 Steps: 22FtLbs; +75deg

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Cylinder Head To Cylinder Head

22 Ft-Lbs

264 In-Lbs

29.83 N-m

Years: 1996-

Note: Vortec - Head Bolts - MEDIUM - 2 Steps: 22FtLbs; +65deg

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Cylinder Head To Cylinder Head

22 Ft-Lbs

264 In-Lbs

29.83 N-m

Years: 1996-

Note: Vortec - Head Bolts - SHORT - 2 Steps: 22FtLbs; +55deg

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: Vortec - Oil Drain Plug

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Engine Block To Transmission

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: Vortec - Engine Block to MANUAL Transmission Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Exhaust Manifold To Cylinder Head

22 Ft-Lbs

264 In-Lbs

29.83 N-m

Years: All

Note: Vortec - Exhaust Manifold - 2 Steps: 11 FtLbs; 22 FtLbs

Type: Bolt

Dim:

Length:

Head: Nut

Grade:

Exhaust Pipe To Exhaust Manifold

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Vortec - Exhaust Pipe to Exhaust Manifold Nuts

Type:

Dim:

Length:

Head: Nut

Grade:

Fan Blade To Fan Clutch

24 Ft-Lbs

288 In-Lbs

32.54 N-m

Years: All

Note: Vortec - Fan to Fan Clutch Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Fan Clutch To Water Pump

17 Ft-Lbs

204 In-Lbs

23.05 N-m

Years: All

Note: Vortec - Fan Assembly to Water Pump Nut

Type:

Dim:

Length:

Head: Nut

Grade:

Flywheel To Crankshaft

75 Ft-Lbs

900 In-Lbs

101.69 N-m

Years: All

Note: Vortec - Flywheel/Driveplate to Crankshaft Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Idle Air Control Valve To Throttle Body

2.33 Ft-Lbs

28 In-Lbs

3.16 N-m

Years: All

Note: Vortec - IAC Valve Screws - CMFI/CSEFI Engine

Type:

Dim:

Length:

Head:

Grade:

Idle Air Control Valve To Throttle Body

13 Ft-Lbs

156 In-Lbs

17.63 N-m

Years: All

Note: Vortec - IAC Valve Screws - TBI Engine

Type:

Dim:

Length:

Head:

Grade:

Intake Manifold To Cylinder Head

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: -1995

Note: Vortec - Intake Manifold Bolts - VIN W - LOWER Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Intake Manifold To Cylinder Head

10 Ft-Lbs

120 In-Lbs

13.56 N-m

Years: -1995

Note: Vortec - Intake Manifold Bolts - VIN W - UPPER Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Intake Manifold To Cylinder Head

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: -1995

Note: Vortec - Intake Manifold Bolts - VIN Z - EXCEPT LOWER REAR

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Intake Manifold To Cylinder Head

41 Ft-Lbs

492 In-Lbs

55.59 N-m

Years: -1995

Note: Vortec - Intake Manifold Bolts - VIN Z - LOWER REAR ONLY

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Intake Manifold To Cylinder Head

11 Ft-Lbs

132 In-Lbs

14.91 N-m

Years: 1996-

Note: Vortec - Intake Manifold - 3 Steps: 2 FtLbs; 9 FtLbs; 11 FtL

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Oil Line To Adapter

26 Ft-Lbs

312 In-Lbs

35.25 N-m

Years: All

Note: Vortec - Oil Cooler Line to Adapter Bolt

Type:

Dim:

Length:

Head:

Grade:

Oil Pan To Engine Block

8.33 Ft-Lbs

100 In-Lbs

11.3 N-m

Years: -1995

Note: Vortec - Oil Pan Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Oil Pan To Engine Block

17 Ft-Lbs

204 In-Lbs

23.05 N-m

Years: -1995

Note: Vortec - Oil Pan Nuts

Type: Stud

Dim:

Length:

Head: Nut

Grade:

Oil Pan To Engine Block

17 Ft-Lbs

204 In-Lbs

23.05 N-m

Years: 1996-1998

Note: Vortec - Oil Pan Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Oil Pan To Engine Block

18 Ft-Lbs

216 In-Lbs

24.41 N-m

Years: 1996-1998

Note: Vortec - Oil Pan Nuts

Type: Stud

Dim:

Length:

Head: Nut

Grade:

Oil Pan To Engine Block

18 Ft-Lbs

216 In-Lbs

24.41 N-m

Years: 1999-

Note: Vortec - Oil Pan Nuts/Bolts

Type: Bolt

Dim:

Length:

Head: Nut

Grade:

Oil Pump To Engine Block

65 Ft-Lbs

780 In-Lbs

88.13 N-m

Years: All

Note: Vortec - Oil Pump to Rear Main Cap Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Oil Seal Retainer To Engine Block

11 Ft-Lbs

132 In-Lbs

14.91 N-m

Years: All

Note: Vortec - Rear Main Seal Retainer Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Rocker Arm To Cylinder Head

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: 2000-

Note: Vortec - Rocker Arm Bolt

Type:

Dim:

Length:

Head:

Grade:

Rocker Arm To Rocker Arm Stud

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: -1999

Note: Vortec - Rocker Arm to Rocker Arm Stud

Type: Stud

Dim:

Length:

Head: Nut

Grade:

Rocker Arm Stud To Cylinder Head

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: -1999

Note: Vortec - Rocker Arm Stud to Cylinder Head

Type: Stud

Dim:

Length:

Head:

Grade:

Spark Plug To Cylinder Head

11 Ft-Lbs

132 In-Lbs

14.91 N-m

Years: All

Note: Vortec - 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: Vortec - Thermostat Housing Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Throttle Body To Intake Manifold

12 Ft-Lbs

144 In-Lbs

16.27 N-m

Years: All

Note: Vortec - Throttle Body Bolts/Nuts

Type:

Dim:

Length:

Head:

Grade:

Thrust Plate To Engine Block

8.83 Ft-Lbs

106 In-Lbs

11.98 N-m

Years: All

Note: Vortec - Balance Shaft Retainer Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

10.33 Ft-Lbs

124 In-Lbs

14.01 N-m

Years: -1994

Note: Vortec - Timing Chain Cover Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Block

8.83 Ft-Lbs

106 In-Lbs

11.98 N-m

Years: 1995-

Note: Vortec - Timing Chain Cover Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Sprocket To Camshaft

21 Ft-Lbs

252 In-Lbs

28.47 N-m

Years: All

Note: Vortec - Camshaft Sprocket Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Torque Converter To Flywheel

46 Ft-Lbs

552 In-Lbs

62.37 N-m

Years: All

Note: Vortec - Torque Converter to Flywheel Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Valve Cover To Cylinder Head

7.5 Ft-Lbs

90 In-Lbs

10.17 N-m

Years: -1995

Note: Vortec - Valve Cover Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Valve Cover To Cylinder Head

8.83 Ft-Lbs

106 In-Lbs

11.98 N-m

Years: 1996-

Note: Vortec - Valve Cover Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Valve Lifter Retainer To Cylinder Head

12 Ft-Lbs

144 In-Lbs

16.27 N-m

Years: All

Note: Vortec - Hydraulic Lifter Retainer Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Vibration Damper/Hub To Crankshaft

70 Ft-Lbs

840 In-Lbs

94.91 N-m

Years: All

Note: Vortec - Vibration Damper Bolt

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Water Pump To Engine Block

33 Ft-Lbs

396 In-Lbs

44.74 N-m

Years: All

Note: Vortec - Water Pump Attaching Bolts

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade: