Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Inspect the exhaust component pipes and the couplings for leaks. Are there leaks at the exhaust component pipes and the couplings? | -- | Go to Step 2 | |
2 | Tighten the clamps or the fasteners to the specified torque. Refer to Fastener Tightening Specifications . Is the exhaust system leaking or making noise? | -- | System OK | |
3 | Inspect the components for misalignment or incorrect installation. Are the components misaligned or improperly installed? | -- | ||
4 |
Is the exhaust system leaking or making noise? | -- | System OK | |
5 | Inspect the exhaust manifold for cracks or damage. Is the exhaust manifold cracked or broken? | -- | ||
6 | Replace the exhaust manifold. Is the exhaust system leaking or making noise? | -- | System OK | |
7 | Inspect the system for a leak between the exhaust manifold and the cylinder head. Is there a leak between the exhaust manifold and the cylinder head? | -- | ||
8 | Tighten the manifold to the cylinder head nuts and the bolts to specifications. Refer to Fastener Tightening Specifications for 4.8L, 5.3L, 6.0L or Fastener Tightening Specifications for 4.3L. Is the exhaust system leaking or making noise? | -- | System OK | |
9 | Inspect the seal for damage or excessive wear. Are the seals damaged or worn? | -- | ||
10 | Replace the seals or the gaskets, as necessary. Is the exhaust system leaking or making noise? | -- | System OK | |
11 | Inspect the exhaust pipe for burns or rust. Is the exhaust pipe burned or rusted out? | -- | ||
12 | Replace the exhaust pipe. Is the exhaust system leaking or making noise? | -- | System OK | |
13 | Inspect the muffler for damage. Is the muffler burned or blown out? | -- | ||
14 | Replace the muffler assembly. Is the exhaust system leaking or making noise? | -- | System OK | |
15 | Inspect the condition of the clamps and/or brackets. Are the clamps and/or the brackets broken or loose? | -- | -- | |
16 | Repair or replace the damaged clamps and/or the brackets, as necessary. Is the exhaust system leaking or making noise? | -- | -- | System OK |
