GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Belt Tensioner Bolt

50 N·m

37 lb ft

Belt Tensioner Bolt (L57/L65)

83 N·m

61 lb ft

Coolant Recovery Reservoir Mounting Bolts

5 N·m

45 lb in

Coolant Temperature Sensor

23 N·m

17 lb ft

Crossover to Cylinder Head Bolts and Studs (Diesel Engines)

47 N·m

35 lb ft

Drain Cock to Radiator

18 N·m

13 lb ft

Engine Oil Cooler Fittings to Engine Block

22 N·m

16 lb ft

Engine Oil Cooler Fittings to Engine Block (L31/L35)

35 N·m

26 lb ft

Engine Oil Cooler to Bracket Bolt (Commercial Engines)

18 N·m

13 lb ft

Engine Oil Cooler to Bracket Bolt (Motorhome Engines)

12 N·m

112 lb in

Engine Oil Cooler Fittings to Radiator

24 N·m

18 lb ft

Fan Blade to Fan Clutch Bolts

30 N·m

22 lb ft

Fan Clutch Nut (L31/L35)

56 N·m

41 lb in

Fan Clutch Nut (L57/L65)

122 N·m

90 lb in

Fan to Water Pump Studs (L29)

8 N·m

71 lb in

Fan to Water Pump Stud Nuts (L29)

30 N·m

22 lb ft

Fan Shroud Mounting Bolts

6 N·m

53 lb in

Radiator Mounting Bracket Bolts

17 N·m

13 lb ft

Radiator Surge Tank Mounting Bolts

17 N·m

13 lb ft

Thermostat Housing Bolts (L29)

37 N·m

27 lb ft

Thermostat Housing Bolts (L31/ L35)

28 N·m

21 lb ft

Thermostat Housing Bolts (L57 and L65)

47 N·m

35 lb ft

Water Pump Plate to Block Bolts and Studs (Diesel Engines)

23 N·m

17 lb ft

Water Pump Pulley Bolts (L31/L35)

25 N·m

18 lb ft

Water Pump Pulley Nuts

30 N·m

22 lb ft

Water Pump to Block Bolts (Gasoline Engines)

41 N·m

30 lb ft

Water Pump to Block Bolts and Studs (Diesel Engines)

23 N·m

17 lb ft

Water Pump to Block Bolts and Studs (Diesel Engines)

42 N·m

31 lb ft