Step | Action | Value(s) | Yes | No | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Inspect for improperly installed or misaligned components. Are there any improperly installed or misaligned components? | -- | ||||||||||
2 | Reinstall and/or 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 | Inspect 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 fasteners to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||||||
5 | Inspect for a cracked or broken exhaust manifold. Are there cracked or broken exhaust manifolds? | -- | ||||||||||
6 | Replace the manifold. Refer to one of the following:
Is there still exhaust noise? | -- | System OK | |||||||||
7 | Inspect for any leakage at the crossover pipe connection. Is there any leakage at the crossover pipe connection? | -- | ||||||||||
8 | Tighten the fasteners to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||||||
9 | Inspect for any damaged or worn seals. Are there any damaged or worn seals? | -- | ||||||||||
10 | Replace the damaged or worn seals. Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||||||
11 | Inspect for a burned or rusted extension pipe. Is there a burned or rusted extension pipe? | -- | ||||||||||
12 | Replace the extension pipe (and muffler assembly if not previously serviced). Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||||||
13 | Inspect for a burned or rusted exhaust muffler. Is there a burned or rusted muffler? | -- | ||||||||||
14 | Replace the muffler/tail pipe assembly. Refer to Muffler Replacement or Muffler Replacement . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |||||||||
15 | Inspect for leakage at the exhaust component joints and coupling. Is there leakage at the exhaust component joints or couplings? | -- | -- | |||||||||
16 | Replace the seals and tighten the flange bolts to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage or excessive noise? | -- | -- | System OK |
