GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Coolant Air Bleed Pipe/Cover Bolt (LS4)

12 N·m

106 lb in

Coolant Heater (LS4)

50 N·m

37 lb ft

Coolant Heater Bolt (L26)

2 N·m

18 lb in

Coolant Recovery Reservoir Nut

3.3 N·m

29 lb in

Cooling Fan Blade Nut

6 N·m

53 lb in

Cooling Fan Motor Bolt

6 N·m

53 lb in

Cooling Fan Shroud Bolt

10 N·m

89 lb in

Radiator Upper Support Bracket Bolt

10 N·m

89 lb in

Water Outlet Housing Bolt (LS4)

15 N·m

11 lb ft

Water Outlet Housing Bolt/Stud (L26)

27 N·m

20 lb ft

Water Pump Bolt (LS4)

12 N·m

106 lb in

Water Pump Bolt - Long (L26)

34 N·m

25 lb ft

Water Pump Bolt - Short (L26)

22 N·m

16 lb ft

Water Pump Manifold Bolt (LS4)

  • First Pass

15 N·m

11 lb ft

  • Final Pass

30 N·m

22 lb ft

Water Pump Pulley Bolt (L26)

13 N·m

115 lb in