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 Exhaust Manifold Replacement in Engine Mechanical - 3.4L. 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 cracked or porous extension pipe or catalytic converter. Is there a cracked or porous extension pipe or catalytic converter? | -- | ||
12 | Replace the catalytic converter. Refer to Catalytic Converter Replacement . Is there still exhaust leakage and/or excessive noise? | -- | System OK | |
13 | Check for a cracked or porous exhaust muffler. Is there a cracked or porous muffler? | -- | ||
14 | Replace the muffler. Refer to Muffler 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? | -- | -- | |
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 |
