Automotive Engine Torque Specs

Torque Specifications for
Porsche 2.4L-143ci-F6-911

Air Injector To Cylinder Head

8.84 Ft-Lbs

106.19 In-Lbs

12 N-m

Years: All

Note: ADAPTER to CYLINDER HEAD

Type:

Dim: M10X1.00

Length:

Head:

Grade:

Air Injector To Cylinder Head

16.95 Ft-Lbs

203.53 In-Lbs

23 N-m

Years: All

Note: CAREFUL - Adapter must be secured with wrench

Type:

Dim: M14X1.50

Length:

Head:

Grade:

Breather Cover To Crankcase

8.11 Ft-Lbs

97.34 In-Lbs

11 N-m

Years: All

Note: Crankcase Oil Breather Cover - Top by Gearbox

Type: Stud

Dim: M6X1.00

Length:

Head: Nut

Grade:

Camshaft Housing To Cylinder Head

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: 15 M8 Nuts and 3 M8 Allen Nuts

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Camshaft Housing To Oil Pressure Plug

25.8 Ft-Lbs

309.72 In-Lbs

35 N-m

Years: All

Note: Camshaft Housing Oil Plug

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Camshaft Housing To Oil Line

25.8 Ft-Lbs

309.72 In-Lbs

35 N-m

Years: All

Note: Must Connect via Adapter

Type:

Dim:

Length:

Head:

Grade:

Camshaft Housing To Adapter

25.8 Ft-Lbs

309.72 In-Lbs

35 N-m

Years: All

Note: Adapter Connects Oil Supply Line to Camshaft Housing

Type:

Dim:

Length:

Head:

Grade:

Connecting Rod To Crankshaft

11.06 Ft-Lbs

132.74 In-Lbs

15 N-m

Years: All

Note: Torque is First Stage; Second Stage = 90deg (+/-2deg)

Type: Bolt

Dim: M10X1.25

Length:

Head: Hexagon

Grade:

Cover Plate To Crankcase

7.37 Ft-Lbs

88.49 In-Lbs

10 N-m

Years: All

Note: Intermediate Shaft Cover Plate

Type: Stud

Dim: M6X1.00

Length:

Head: Nut

Grade:

Crankcase To

16.95 Ft-Lbs

203.53 In-Lbs

23 N-m

Years: All

Note: 13mm lock nuts around crankcase (22 nuts)

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Crankcase To

25.8 Ft-Lbs

309.72 In-Lbs

35 N-m

Years: All

Note: Crankcase Thru Bolts-DONT FORGET 3 Internal Nuts

Type: Bolt

Dim: M10X1.50

Length:

Head: Nut

Grade:

Cylinder Head To Crankcase

23.58 Ft-Lbs

283.17 In-Lbs

32 N-m

Years: All

Note: Step 1 - 10 Nm(7.5 FtLbs); Step 2 - 32 Nm(23.5 FtLbs)

Type: Stud

Dim: M10X1.50

Length: 140

Head: Allen

Grade:

Distributor To Crankcase

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: Loosen and Rotate Distributor to Adjust Spark Timing

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Drain Plug To Crankcase

30.95 Ft-Lbs

371.66 In-Lbs

42 N-m

Years: 1978-1983

Note: Early Crankcase with Oil Filter Cover

Type: Bolt

Dim: M22X1.50

Length:

Head: Hexagon

Grade:

Drain Plug To Crankcase

51.59 Ft-Lbs

619.43 In-Lbs

70 N-m

Years: 1983-1989

Note: Crankcase ONLY - NOT Oil Filter Cover

Type: Bolt

Dim: M20X1.50

Length:

Head: Hexagon

Grade:

Drain Plug To Oil Tank

30.95 Ft-Lbs

371.66 In-Lbs

42 N-m

Years: All

Note: Oil Tank in Fender

Type: Bolt

Dim: M22X1.50

Length:

Head: Hexagon

Grade:

Engine Mount To

29.48 Ft-Lbs

353.96 In-Lbs

40 N-m

Years: All

Note: Engine Mount Carrier to Crossmember

Type: Bolt

Dim: M10X1.50

Length: 18

Head: Hexagon

Grade:

Engine Mount To

33.9 Ft-Lbs

407.05 In-Lbs

46 N-m

Years: All

Note: Engine Mount Carrier to Crossmember

Type: Bolt

Dim: M10X1.50

Length: 18

Head: Hexagon

Grade:

Engine Mount To Crankcase

29.48 Ft-Lbs

353.96 In-Lbs

40 N-m

Years: All

Note: Engine Mount Carrier

Type: Bolt

Dim: M10X1.50

Length:

Head: Hexagon

Grade:

Engine Temp Sensor To Crankcase

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: Attach to Breather Cover

Type: Bolt

Dim: M14X1.50

Length:

Head: Hexagon

Grade:

Engine Temp Sensor To Crankcase

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: Right Side Near Timing Chain Housing - High Pressure

Type:

Dim: M14X1.50

Length:

Head: Hexagon

Grade:

Fan Blade Housing To Crankcase

8.84 Ft-Lbs

106.19 In-Lbs

12 N-m

Years: All

Note: Retaining Strap

Type: Bolt

Dim: M8X1.25

Length:

Head: Allen

Grade:

Flywheel To Crankshaft

110.55 Ft-Lbs

1327.35 In-Lbs

150 N-m

Years: All

Note: LocTite Red 271-CrissCross-Step

Type: Bolt

Dim: M12X1.50

Length:

Head: Triple Sq.

Grade:

Heat Exchanger To Cylinder Head

16.95 Ft-Lbs

203.53 In-Lbs

23 N-m

Years: All

Note: 6 Pinch Nuts and 6 Barrel Nuts

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Oil Cooler To Crankcase

16.95 Ft-Lbs

203.53 In-Lbs

23 N-m

Years: All

Note: Behr Oil Cooler - Lock Nut

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Oil Filter Cover To Crankcase

7.37 Ft-Lbs

88.49 In-Lbs

10 N-m

Years: 1978-1983

Note: Early Crankcase Oil Screen Cover on Bottom

Type: Stud

Dim: M6X1.00

Length:

Head: Nut

Grade:

Oil Line To Crankcase

88.44 Ft-Lbs

1061.88 In-Lbs

120 N-m

Years: All

Note: ADAPTER on Bottom of Crankcase - To External Tank

Type:

Dim: M22X1.00

Length:

Head: Hexagon

Grade:

Oil Line To Timing Chain/Belt Tensioner

7.37 Ft-Lbs

88.49 In-Lbs

10 N-m

Years: All

Note: Banjo Bolt - Tighten more if leaks

Type: Bolt

Dim:

Length:

Head: Hexagon

Grade:

Oil Pressure Plug To Crankcase

44.22 Ft-Lbs

530.94 In-Lbs

60 N-m

Years: All

Note: Pressure Relief and Safety Valve

Type: Bolt

Dim: M18X1.50

Length:

Head: Hexagon

Grade:

Oil Pressure Sensor To Crankcase

14.74 Ft-Lbs

176.98 In-Lbs

20 N-m

Years: All

Note: Oil Pressure SWITCH to Adapter - 35Nm if SENSOR

Type: Bolt

Dim: M18X1.50

Length:

Head: Hexagon

Grade:

Oil Pressure Sensor To Crankcase

25.8 Ft-Lbs

309.72 In-Lbs

35 N-m

Years: All

Note: Switch Adapter to Crankcase

Type: Bolt

Dim: M12X1.00

Length:

Head: Hexagon

Grade:

Oil Pump To Crankcase

16.95 Ft-Lbs

203.53 In-Lbs

23 N-m

Years: All

Note: Bend locking tabs with small hammer

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Oxygen Sensor (Lambda) To Catalytic Converter

40.54 Ft-Lbs

486.7 In-Lbs

55 N-m

Years: All

Note: Lambda Probe

Type: Bolt

Dim: M18X1.50

Length:

Head: Hexagon

Grade:

Pilot Bearing To Crankshaft

7.37 Ft-Lbs

88.49 In-Lbs

10 N-m

Years: All

Note: a.k.a Needle Bearing

Type: Bolt

Dim: M6X1.00

Length: 12

Head: Allen

Grade:

Pressure Plate To Flywheel

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: Align and Install Clutch & Release Bearing - Criss-Cross

Type: Bolt

Dim: M8X1.25

Length:

Head: Allen

Grade:

Pulley To Alternator

29.48 Ft-Lbs

353.96 In-Lbs

40 N-m

Years: All

Note: Altenator Pulley

Type:

Dim: M16X1.00

Length:

Head: Nut

Grade:

Pulley To Crankshaft

58.96 Ft-Lbs

707.92 In-Lbs

80 N-m

Years: All

Note: No A/C - Single Pulley - Durlok

Type: Bolt

Dim: M12X1.50

Length:

Head: Hexagon

Grade:

Pulley To Crankshaft

125.29 Ft-Lbs

1504.33 In-Lbs

170 N-m

Years: All

Note: With A/C - Double Pulley - Durlok

Type: Bolt

Dim: M12X1.50

Length: 22

Head: Hexagon

Grade:

Rocker Arm Shaft To Camshaft Housing

13.27 Ft-Lbs

159.28 In-Lbs

18 N-m

Years: All

Note: 5mm AllenBolt & 8mm Allen Nut-TURN BOLT ONLY

Type: Bolt

Dim: M6X1.00

Length:

Head: Nut

Grade:

Spark Plug To Cylinder Head

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: Run Hotter Spark Plug for Street Use

Type: Bolt

Dim: M14X1.25

Length:

Head: Hexagon

Grade:

Thermostat To Crankcase

8.11 Ft-Lbs

97.34 In-Lbs

11 N-m

Years: All

Note: Oil Thermostat next to Oil Breather Cover

Type: Stud

Dim: M6X1.00

Length:

Head: Nut

Grade:

Thrust Plate To Camshaft Housing

7.37 Ft-Lbs

88.49 In-Lbs

10 N-m

Years: All

Note: Camshaft Thrust Plate - Thru Timing Chain Housing

Type: Bolt

Dim: M6X1.00

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Engine Temp Sensor

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: Sensors on Both Covers

Type:

Dim:

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Cover To Timing Chain/Belt Housing

7.37 Ft-Lbs

88.49 In-Lbs

10 N-m

Years: All

Note: Nylok - 2 M8 Nuts on Left Upper Cover Also

Type: Stud

Dim: M6X1.00

Length:

Head: Nut

Grade:

Timing Chain/Belt Guide To Crankcase

18.43 Ft-Lbs

221.23 In-Lbs

25 N-m

Years: All

Note: Inboard Chain Ramps (4 Ramps)

Type:

Dim:

Length:

Head:

Grade:

Timing Chain/Belt Housing To Crankcase

16.95 Ft-Lbs

203.53 In-Lbs

23 N-m

Years: All

Note: Nylok Nuts

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Timing Chain/Belt Sprocket To Camshaft

110.55 Ft-Lbs

1327.35 In-Lbs

150 N-m

Years: 1978-1981

Note: Use Special Tool P202 and P203 - 46mm Nut

Type:

Dim:

Length:

Head: Nut

Grade:

Timing Chain/Belt Sprocket To Camshaft

88.44 Ft-Lbs

1061.88 In-Lbs

120 N-m

Years: 1982-1989

Note: Use Special Tool 9191 to Hold Sprocket

Type: Bolt

Dim: M12X1.50

Length:

Head: Hexagon

Grade:

Timing Chain/Belt Tensioner To Timing Chain/Belt Housing

16.95 Ft-Lbs

203.53 In-Lbs

23 N-m

Years: All

Note:

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade:

Valve Cover To Camshaft Housing

5.9 Ft-Lbs

70.79 In-Lbs

8 N-m

Years: All

Note: Nylok Nuts - Do Not Over Torque

Type: Stud

Dim: M8X1.25

Length:

Head: Nut

Grade: