GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening

Application

N·m

Lb Ft

Lb In

Bellhousing Bolt

40

30

--

Camshaft Gear Bolt

171

126

--

Camshaft Thrust Plate

23

17

--

Connecting Rod Cap Nut

65

48

--

Coolant Crossover/Thermostat Housing Bolt

42

31

--

Crankshaft Pulley Bolt

40

30

--

Crankshaft Sensor Bolt

25

17

--

Engine Coolant Heater Mounting Bolt

1.8

--

16

Exhaust Manifold Bolt

35

26

--

Flywheel Bolt

90

66

--

Front Cover-to-Block Bolt

45

33

--

Glow Plug

18

13

--

Hydraulic Lifter Guide Plate Clamp Bolt

26

19

--

Intake Manifold Bolt

42

31

--

Injection Pump Gear Bolt

23

17

--

Injection Pump Nut

42

31

--

Main Bearing Cap Bolt (Inner)

150

111

--

Main Bearing Cap Bolt (Outer)

135

100

--

Oil Pan Bolt (All except rear two bolts)

10

--

89

Oil Pan Bolt (Rear two bolts)

23

17

--

Oil Pan Drain Plug

27

20

--

Oil Pump Bolt

90

66

--

Oil Pump Drive Clamp Bolt

42

31

--

Rocker Arm Cover Bolt

22

16

--

Rocker Arm Shaft Bolt

55

41

--

Torsional Damper Bolt

270

200

--