| Exhaust Manifold Bolt/Nut | 22 Foot Pound-Force (ft.lb) |
| Exhaust Manifold Stud (Inner) | 22 Foot Pound-Force (ft.lb) |
| Exhaust Maanifold Stud (Outer) | 89 Inch Pound-Force (in.lb) |
Exhaust System Specifications
Need a step-by-step guide?
Get an AI-powered repair guide with parts lists, cost estimates, and clear instructions for your 1999 Buick.