Fastener Tightening Specifications
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Catalytic Converter to Cylinder Block Fastener (LFX)-First Pass Catalytic Converter to Cylinder Block Fastener (LFX)-Final Pass |
20 N.m | 15 lb ft |
| 46 N.m | 34 lb ft | |
| Exhaust Manifold to Cylinder Head Fasteners (L99,LS3)-First Pass Exhaust Manifold to Cylinder Head Fasteners (L99,LS3)-Second Pass |
15 N.m | 11 lb ft |
| 20 N.m | 15 lb ft | |
| Exhaust Muffler (H Pipe) Clamps | 48 N.m | 35 lb ft |
| Exhaust Hanger Mounting Bracket Fasteners | 22 N.m | 16 lb ft |
| Exhaust Manifold Heat Shield Bolt | 10 N.m | 89 lb in |
| Underbody Brace | 25 N.m | 18 lb ft |