GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications 3.5L Twin Cam V6 LX5

Application

Specification

Metric

English

Catalytic Converter Bolt

45 N路m

33 lb ft

Exhaust Crossover Pipe Bolt

20 N路m

15 lb ft

Exhaust Manifold to Cylinder Head Stud and Nut

25 N路m

18 lb ft

Exhaust Manifold Heat Shield Bolt

9 N路m

80 lb in

Exhaust Manifold Pipe Stud

6 N路m

53 lb in

Exhaust Manifold Pipe Stud Nut

32 N路m

24 lb ft

Exhaust Muffler Inlet Pipe Clamp Nut

50 N路m

37 lb ft

Exhaust Pipe Center Hanger Bolt

25 N路m

18 lb ft

Exhaust Pipe Rear Hanger Bolt

25 N路m

18 lb ft

Heated Oxygen Sensor

42 N路m

31 lb ft

Rear Bumper Impact Bar Bolt

25 N路m

18 lb ft

Fastener Tightening Specifications 3800 V6 L36

Application

Specification

Metric

English

Catalytic Converter Bolt

45 N路m

33 lb ft

Exhaust Crossover Heat Shield Nut

20 N路m

15 lb ft

Exhaust Crossover Pipe Bolt

20 N路m

15 lb ft

Exhaust Manifold Heat Shield Nut

20 N路m

15 lb ft

Exhaust Manifold to Cylinder Head Stud and Nut

30 N路m

22 lb ft

Exhaust Manifold Pipe Stud

6 N路m

53 lb ft

Exhaust Manifold Pipe Stud Nut

35 N路m

26 lb ft

Exhaust Muffler Inlet Pipe Clamp Nut

50 N路m

37 lb ft

Exhaust Pipe Center Hanger Bolt

25 N路m

18 lb ft

Exhaust Pipe Rear Hanger Bolt

25 N路m

18 lb ft

Heated Oxygen Sensor

42 N路m

31 lb ft

Rear Bumper Impact Bar Bolt

25 N路m

18 lb ft