GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications LA3, LY9

Application

Specification

Metric

English

Afterboil Coolant Pump Bolt

10 N·m

89 lb in

Bumper Nut

25 N·m

18 lb ft

Catalytic Converter Hanger Bracket Bolt

50 N·m

37 lb ft

Catalytic Converter Hanger Bracket Nut

25 N·m

18 lb ft

Catalytic Converter Nut

15 N·m

11 lb ft

Center Bearing Heat Shield Bolt

8 N·m

71 lb in

Exhaust Manifold Nut

20 N·m

15 lb ft

Exhaust Manifold Pipe Nut

25 N·m

18 lb ft

Floor Panel Tunnel Brace Bolt

25 N·m

18 lb ft