Camshaft locate plates bolts

4.3 – 6.5 lbf⋅ft

Camshaft sprocket bolt

87 – 116 lbf⋅ft

Carburetor nuts

4 – 7 lbf⋅ft

Connecting rod nuts

8mm

23 – 27 lbf⋅ft

9mm

33 – 40 lbf⋅ft

Crankshaft pulley bolts

87 – 116 (100) lbf⋅ft

Cylinder head bolts

First turn

29 lbf⋅ft

Second turn

43 lbf⋅ft

Third turn (early – L16 1970-73)*

43 – 51 lbf⋅ft

Third turn (late – L16 1973 on, L18, L20b)*

47 – 62 lbf⋅ft

1970-72 L16

40 lbf⋅ft

1973 L16

43 lbf⋅ft

1973-74 L18

55 lbf⋅ft

1975-80 L20b

61 lbf⋅ft

Flywheel bolts

Early – separate lock washers (1970-72 L16)

69 -76 (72) lbf⋅ft

Late – integral washer (1973 on)

101 – 116 (109) lbf⋅ft

Front cover bolts

M6 (small)

3 – 4 lbf⋅ft

M8 (large)

7 – 9 lbf⋅ft

Fuel pump nuts

9 – 13 lbf⋅ft

Main bearing cap bolts

33 – 40 (37) lbf⋅ft

Manifold (Intake & Exhaust)

11 lbf⋅ft

Motor mounts (620)

Backer to engine (1972-74)

14 – 18 lbf⋅ft

Backer to engine (1975 on)

19 – 26 lbf⋅ft

Backer to rubber insulator (1972-74)

10 – 13 lbf⋅ft

Backer to rubber insulator (1975 on)

19 – 26 lbf⋅ft

Insulator to frame

10 – 13 lbf⋅ft

Rocker pivot locknuts

36 – 43 (40) lbf⋅ft

Spark plugs

12 – 15 lbf⋅ft

Spray bar bolts

5 – 6 lbf⋅ft

Oil pan bolts

4.3 – 6.5 lbf⋅ft

Oil pan drain plug

14 – 20 lbf⋅ft

Oil pump bolts

8 – 11 lbf⋅ft

Engine to transmission bolts

1968-1973

17 – 20 lbf⋅ft

1974-1976

30 – 36 lbf⋅ft

1977-on

32 – 43 lbf⋅ft

Shift lever nut (1968-1973)

14 – 16 lbf⋅ft

Speedometer pinion bolt nut

1968-1973

2 – 3 lbf⋅ft

1974 on

3 – 4 lbf⋅ft

Inspection cover bolts (1968-1973)

6 – 7 lbf⋅ft

Rear bracket-to-transmission bolts

6 – 8 lbf⋅ft

Rear bracket-to-frame bolts

1968-1973

24 – 28 lbf⋅ft

1974 on

23 – 31 lbf⋅ft

Overhaul (F4W63)

Main shaft nut

58 – 80 lbf⋅ft

Rear extension bolts

10 – 13 lbf⋅ft

Front cover bolts

6 – 7 lbf⋅ft

Rear flange nut

72 – 101 lbf⋅ft

Electrical switches

15 -22 lbf⋅ft

Inspection cover bolts

6 – 7 lbf⋅ft

Filler plug

18 -25 lbf⋅ft

Drain plug

15 – 22 lbf⋅ft

Overhaul (F4W71B, FS5W71B)

Bearing retainer machine screws

14 – 18 lbf⋅ft

Main shaft nut

101 – 123 lbf⋅ft

Check ball plugs

14 – 18 lbf⋅ft

Rear extension bolts

12 – 15 lbf⋅ft

Front cover bolts

12 – 15 lbf⋅ft

Electrical switches

14 – 22 lbf⋅ft

Filler and drain plugs

18 – 25 lbf⋅ft

Clutch withdrawal lever pivot

14 – 25 lbf⋅ft

Return spring plug

6 – 7 lbf⋅ft

Rear extension upper cover bolts

3 – 4 lbf⋅ft

Striking lever pin and nut

6 – 9 lbf⋅ft

Countershaft gear nut (FS5W71B)

72 – 94 lbf⋅ft

Center flange bolts

17 – 24 lbf⋅ft

Rear flange bolts

17 – 24 lbf⋅ft

Bearing bracket bolts

12 – 16 lbf⋅ft

Shock absorbers

Upper end

12 – 16 lbf⋅ft

Lower end

22 – 30 lbf⋅ft

Stabilizer brackets

12 – 16 lbf⋅ft

Tension rod nuts and brackets bolts 1972-1977

12 – 16 lbf⋅ft

Tension rod front nut 1978-1979

22 – 30 lbf⋅ft

Tension rod bolts 1978-1979

28 – 38 lbf⋅ft

Anchor bolt locknut

22 – 30 lbf⋅ft

Rubber bumper

620

6 – 8 lbf⋅ft

King pin lock bolt (1972-1977)

15 – 18 lbf⋅ft

Ball-joint stud (1978-1979)

Upper

58 – 72 lbf⋅ft

Lower

124 – 141 lbf⋅ft

Ball-joint mounting nuts (1978 on)

Upper

12 – 16 lbf⋅ft

Lower

28 – 72 lbf⋅ft

Knuckle arm

1972-1977

74 – 88 lbf⋅ft

1978-1979

53 – 72 lbf⋅ft

Lower link spindle nut

1972-1977

54 – 58 lbf⋅ft

1978-1979

80 – 108 lbf⋅ft

Lower link screw bushings (1972-1977)

145- 217 lbf⋅ft

Upper link spindle bolts

1972-1977

51 – 65 lbf⋅ft

1978-1979

80 – 108 lbf⋅ft

Upper link screw bushings (through 1977)

253 – 398 lbf⋅ft

Upper link bushings nuts (1978 on)

56 – 76 lbf⋅ft

Steering gear housing to body

33 – 38 lbf⋅ft

Pitman gear arm nut

94 – 108 lbf⋅ft

Cross rod and tie rod ball joint nuts

1972-1974

40 – 55 lbf⋅ft

1974+

40 – 72 lbf⋅ft

Steering wheel nut

51 – 54 lbf⋅ft

* Late type head bolts, used form engine No. L16-203416, have a circular groove stamped in the top surface of the bolt head. Early head bolts do not.
** Tighten with truck’s weight on wheels (on ground).

Shock absorbers

Upper nut

22 – 30 lbf⋅ft

Lower nut 

12 – 16 lbf⋅ft

Springs

Front pin (through 1977)

83 – 94 lbf⋅ft

Front pin (1978 on)

37 – 50 lbf⋅ft

Rear shackle 

83 – 94 lbf⋅ft

U-bolts

53 – 72 lbf⋅ft