Step  | Action  | Value(s)  | Yes  | No  | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1  | Check for faulty exhaust system components. Are any of the components faulty?  | --  | ||||||||||
2  | Replace the faulty components. Is there still exhaust leakage and/or excessive noise?  | --  | System OK  | |||||||||
3  | Check for leakage at the exhaust component joints or coupling. Is there leakage at the exhaust component joints or couplings?  | --  | ||||||||||
4  | Align the components. Replace the gasket and tighten the flange bolts to specifications. If necessary, weld the joint where leakage is present. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise?  | --  | System OK  | |||||||||
5  | Inspect for loose connections or leaks at the exhaust manifold and the three way catalytic converter. Are there any loose connections at the exhaust manifold or the catalytic converter?  | --  | ||||||||||
6  | Tighten all the fasteners to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise?  | --  | System OK  | |||||||||
7  | Check for a faulty exhaust manifold or manifold gasket. Is the exhaust manifold faulty?  | --  | ||||||||||
8  | Replace any faulty exhaust manifolds or manifold seals. Refer to the following: 
 
 
 
 Is there still exhaust leakage and/or excessive noise?  | --  | System OK  | |||||||||
9  | Check for any leakage at the crossover pipe connection. Is there any leakage at the crossover pipe connection?  | --  | --  | |||||||||
10  | Tighten the nuts and bolts to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise?  | --  | --  | System OK  |