GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter-to-Exhaust Manifold Bolt/Nut (LX9 and LZ9)

31 N·m

23 lb ft

Exhaust Gas Recirculation (EGR) Pipe Bolt (LX9)

10 N·m

89 lb in

Exhaust Manifold Bolt (LZ9)

20 N·m

15 lb ft

Exhaust Manifold/Catalytic Converter-to-Exhaust Manifold Pipe Nut (LE5)

35 N·m

26 lb ft

Exhaust Manifold Heat Shield Bolt

10 N·m

89 lb in

Exhaust Manifold Heat Shield Bolt (LE5)

23 N·m

17 lb ft

Exhaust Manifold Nut (LE5)

14 N·m

10 lb ft

Exhaust Manifold Nut (LX9)

16 N·m

12 lb ft

Exhaust Pipe-to-Muffler Nut

30 N·m

22 lb ft

Exhaust Pipe-to-Right Catalytic Converter Nut (LZ9)

50 N·m

37 lb ft

Heated Oxygen Sensor (HO2S)

42 N·m

31 lb ft

Left Catalytic Converter-to-Right Catalytic Converter Nut (LX9 and LZ9)

31 N·m

23 lb ft

Right Catalytic Converter-to-Muffler Nut

30 N·m

22 lb ft

Upper Exhaust Manifold Brace Bolt (LE5)

25 N·m

18 lb ft