Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Inspect for improperly installed or misaligned components. Are there improperly installed or misaligned components? | -- | Go to Step 2 | Go to Step 3 |
2 | Reinstall and/or align the components and tighten the connections to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage or excessive noise? | -- | Go to Step 3 | System OK |
3 | Inspect for loose connections at the exhaust manifold and the three-way catalytic converter. Are there loose connections at the exhaust connection or the three-way catalytic converter? | -- | Go to Step 4 | Go to Step 5 |
4 | Tighten the fasteners to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise? | -- | Go to Step 5 | Go to Step 6 |
5 | Inspect for cracked or broken exhaust manifolds. Are there cracked or broken exhaust manifolds? | -- | Go to Step 6 | Go to Step 7 |
6 | Replace the manifold. Refer to one of the following: Is there still exhaust noise? | -- | Go to Step 7 | System OK |
7 | Inspect for any leakage at the crossover pipe connection. Is there any leakage at the crossover pipe connection? | -- | Go to Step 8 | Go to Step 9 |
8 | Tighten the fasteners to specifications. Refer to Fastener Tightening Specifications . Is there still exhaust leakage and/or excessive noise? | -- | Go to Step 9 | System OK |
9 | Inspect for any damaged or worn seals. Are there any damaged or worn seals? | -- | Go to Step 10 | Go to Step 11 |
10 | Replace the damaged or worn seals. Is there still exhaust leakage and/or excessive noise? | -- | Go to Step 11 | System OK |
11 | Inspect for a burned or rusted extension pipe. Is there a burned or rusted extension pipe? | -- | Go to Step 12 | Go to Step 13 |
12 | Replace the extension pipe (and muffler assembly if not previously serviced). Is there still exhaust leakage and/or excessive noise? | -- | Go to Step 13 | System OK |
13 | Inspect for a burned or rusted exhaust muffler. Is there a burned or rusted exhaust muffler? | -- | Go to Step 14 | Go to Step 15 |
14 | Replace the muffler/tail pipe assembly. Refer to Muffler Replacement . Is there still exhaust leakage and/or excessive noise? | -- | Go to Step 15 | System OK |
15 | Inspect for exhaust leakage at the exhaust component joints and couplings. Is there exhaust leakage at the component joints or couplings? | -- | Go to Step 16 | -- |
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 |
