GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications Table

Application

N·m

Lb Ft

Lb In

Cooling Fan Control Switch

22

16

--

Engine Coolant Bridge Bolt

30

22

--

Engine Coolant Intake Pipe Bolt

20

15

--

Engine Coolant Intake Pipe Support Bolt

20

15

--

Engine Coolant Temperature Sender

20

15

--

Engine Coolant Temperature Sensor

25

18

--

Exhaust Manifold Heat Shield Bolt

8

--

71

Intake Manifold Bolt

20

15

--

Primary Engine Cooling Fan Housing-to-Radiator Bolt

4

--

35

Primary Engine Cooling Fan Motor-to-Housing Nut

4

--

35

Secondary AIR Cut-off Valve Bracket Bolt

4

--

35

Thermostat Housing Bolt

20

15

--

Thermostat Outlet Pipe Bolt

20

15

--

Transmission Oil Cooler Pipe Fitting

25

18

--