Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Check for improperly installed or misaligned components. Are there any improperly installed or misaligned components? | -- | ||||||
2 | Align the components and tighten the connections to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||
3 | Check for loose connections at the exhaust manifold or the three way catalytic converter. Are there any loose connections at the exhaust manifold or the three way catalytic converter? | -- | ||||||
4 | Tighten all the fasteners to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||
5 | Check for a cracked or broken exhaust manifold. Is the exhaust manifold cracked or broken? | -- | ||||||
6 | Replace any cracked or broken exhaust manifolds. Refer to one of the following:
Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||
7 | Check for any leakage at the crossover pipe connection. Is there any leakage at the crossover pipe connection? | -- | ||||||
8 | Tighten the nuts and the bolts to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||
9 | Check for any damaged or worn seals. Are there any damaged or worn seals? | -- | ||||||
10 | Replace any damaged or worn seals. Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||
11 | Check for a burned or rusted exhaust pipe. Is there a burned or rusted exhaust pipe? | -- | ||||||
12 | Replace the exhaust pipe. Refer to Muffler Replacement or Exhaust System Replacement . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||
13 | Check for a burned or rusted exhaust muffler. Is there a burned or rusted muffler? | -- | ||||||
14 | Replace the exhaust system. Refer to Exhaust System Replacement . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||
15 | Check for leakage at the exhaust component joints or the couplings (if previously serviced). Is there any leakage at the exhaust component joints or the couplings? | -- | System OK | |||||
16 | Replace the gaskets and tighten the flange bolts to specifications. Refer to Fastener Tightening Specifications . If necessary, weld the joint where leakage is present. Is there still exhaust leakage and/or excessive noise? | -- | -- | System OK |
