Step  | Action  | Value  | Yes  | No  | 
|---|---|---|---|---|
1  | Check for leakage at the exhaust component joints. Are the joints leaking?  | --  | ||
2  | 
 Has the leakage stopped?  | --  | System OK  | |
3  | 
 Are there any incorrectly installed or misaligned components?  | --  | ||
4  | 
 Has the leakage stopped?  | --  | System OK  | |
5  | Check for a cracked exhaust manifold. Is the exhaust manifold cracked?  | --  | ||
6  | Replace the exhaust manifold. Refer to Exhaust Manifold Pipe Replacement Has the leakage stopped?  | --  | System OK  | |
7  | Check for leakage between the exhaust manifold and the cylinder head. Is there leakage between the cylinder head and the exhaust manifold?  | --  | ||
8  | Tighten the exhaust manifold to cylinder head bolts to specifications. Refer to Fastener Tightening Specifications . Has the leakage stopped?  | --  | System OK  | |
9  | Check for damaged seals or packings. Are the seals or packings leaking?  | --  | ||
10  | Replace the seals or packings as necessary. Has the leakage stopped?  | --  | System OK  | |
11  | Check for burned out or rusted exhaust pipes. Are the exhaust pipes burned out or rusted?  | --  | ||
12  | Replace the exhaust pipe. Refer to General Exhaust System Replacement . Has the leakage stopped?  | --  | System OK  | |
13  | Check for a rusted out muffler. Is the muffler rusted out?  | --  | ||
14  | Replace the muffler assembly. Refer to General Exhaust System Replacement . Has the leakage stopped?  | --  | System OK  | |
15  | 
 Are the hangers or brackets loose or broken?  | --  | System OK  | |
16  | Repair or replace as necessary. Refer to General Exhaust System Replacement . Has the leakage stopped?  | --  | System OK  |