GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications LA3, LY9

Application

Specification

Metric

English

A/C Condenser Mounting Bolt

6.5 N·m

58 lb in

A/C Line Clip to Fan Shroud Screw

4.5 N·m

40 lb in

Afterboil Coolant Pump Bolt

10 N·m

89 lb in

Auxiliary Cooling Fan Mounting Bolt

6.5 N·m

58 lb in

Coolant Bypass Inlet Hose/Pipe Bolt

9 N·m

80 lb in

Coolant Bypass Valve Bolt

6.5 N·m

58 lb in

Coolant Heater

60 N·m

44 lb ft

Coolant Heater Ground Lead Bolt

9 N·m

80 lb in

Coolant Inlet Pipe Bolt

20 N·m

15 lb ft

Coolant Inlet Pipe Support Bolt

20 N·m

15 lb ft

Electric Cooling Fan Blade Retaining Nut

7 N·m

62 lb in

Electric Cooling Fan Motor Mounting Screw

5 N·m

44 lb in

Electric Cooling Fan to Plenum Mounting Bolt

6.5 N·m

58 lb in

Electric Cooling Fan to Radiator Mounting Bolt

6.5 N·m

58 lb in

Engine Coolant Temperature (ECT) Sensor

18 N·m

13 lb ft

Engine Rear Lift Bracket Bolt

20 N·m

15 lb ft

Manual Shift Shaft Nut

9 N·m

80 lb in

Oil Level Indicator Tube Bolt

20 N·m

15 lb ft

Radiator Support Bracket Bolt

9 N·m

80 lb in

Remote Power Steering Fluid Reservoir to Cylinder Head Mounting Bolt

25 N·m

18 lb ft

Remote Power Steering Fluid Reservoir to Intake Plenum Mounting Bolt

9 N·m

80 lb in

Surge Tank Fastener

9 N·m

80 lb in

Surge Tank Outlet Pipe to Engine Rear Lift Bracket Bolt

9 N·m

80 lb in

Surge Tank Outlet Pipe to Vent Housing Bolt

9 N·m

80 lb in

Thermostat Housing Bolt

20 N·m

15 lb ft

Throttle Body Heater Inlet Hose/Pipe Bolt

9 N·m

80 lb in

Throttle Body Inlet Heater Hose Fitting

20 N·m

15 lb ft

Water Crossover Fitting

20 N·m

15 lb ft

Water Crossover Pipe Plug

5 N·m

44 lb in

Water Pump Bolt

25 N·m

18 lb ft

Water Pump Pulley Bolt

8 N·m

71 lb in

Fastener Tightening Specifications LY7, LS6

Application

Specification

Metric

English

A/C Condenser Mounting Bolt

6.5 N·m

58 lb in

A/C Line Clip to Fan Shroud Screw

4.5 N·m

40 lb in

Coolant Air Bleed Pipe Cover Bolts

12 N·m

106 lb in

Coolant Air Bleed Studs

12 N·m

106 lb in

Coolant Inlet Pipe to Cylinder Head Bolt

50 N·m

37 lb ft

Coolant Inlet Pipe to Thermostat Housing Bolt

10 N·m

89 lb in

Electric Cooling Fan Blade Retaining Nut

7 N·m

62 lb in

Electric Cooling Fan Motor Mounting Screw

5 N·m

44 lb in

Electric Cooling Fan to Plenum Mounting Bolt

6.5 N·m

58 lb in

Electric Cooling Fan to Radiator Mounting Bolt

6.5 N·m

58 lb in

Engine Coolant Heater

40 N·m

30 lb ft

Engine Coolant Heater Cord Clip Bolt

32 N·m

24 lb ft

Heater Pipe Bolt

10 N·m

89 lb ft

Radiator Support Bracket Bolt

9 N·m

80 lb in

Surge Tank Bolt

9 N·m

80 lb in

Thermostat Housing Bolt (LY7)

20 N·m

15 lb ft

Thermostat Housing Bolt (LS6)

15 N·m

11 lb ft

Water Pump Bolts (LY7)

10 N·m

89 lb in

Water Pump Bolts (LS6) First Pass

15 N·m

11 lb ft

Water Pump Bolts (LS6) Second and Final Pass

30 N·m

22 lb ft

Water Pump Pulley Bolt

12 N·m

106 lb in