For 1990-2009 cars

#### Exhaust Leakage And/Or Excessive Noise

Go to Step 7 | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Check for improperly installed or misaligned components. Are there improperly installed or misaligned components? | -- | Go to Step 2 | Go to Step 3
2 | Align the components and tighten the connections to specifications. Is there exhaust leakage and /or excessive noise? | -- | Go to Step 3 | System OK
3 | Check for loose connections at the exhaust manifold or the Three Way Catalytic Converter. Are there loose connections? | -- | Go to Step 4 | Go to Step 5
4 | Tighten all fasteners to specifications. Is there exhaust leakage and/ or excessive noise? | -- | Go to Step 5 | System OK
5 | Inspect the exhaust manifold. Is the exhaust manifold cracked or broken? | -- | Go to Step 6 | Go to Step 7
6 | Replace the exhaust manifold. Is there exhaust leakage and /or excessive noise? | -- | Go to Step 7 | System OK
7 | Inspect the crossover pipe connections. Is there leakage at the crossover pipe connections? | -- | Go to Step 8 | Go to Step 9
8 | Tighten the nuts and bolts to specifications. Is there exhaust leakage and /or excessive noise? | -- | Go to Step 9 | System OK
9 | Inspect all seals. Are the seals damaged or worn? | -- | Go to Step 10 | Go to Step 11
10 | Replace the damaged or worn seals. Is there exhaust leakage and /or excessive noise? | -- | Go to Step 11 | System OK
11 | Inspect the extension pipe. Is the extension pipe burned or rusted? | -- | Go to Step 12 | Go to Step 13
12 | Replace the extension pipe. Is there exhaust leakage and /or excessive noise? | -- | Go to Step 13 | System OK
13 | Inspect the muffler. Is the muffler burned or rusted? | -- | Go to Step 14 | --
14 | Replace the muffler/ tailpipe assembly. Is there exhaust leakage and /or excessive noise? | -- | Go to Step 15 | System OK
15 | Inspect for leakage at the exhaust component joints or couplings (if not previously serviced). Is there leakage? | -- | Go to Step 16 | --
16 | Replace the seals and tighten flange bolts to specifications or weld the joints where leakage is present. | -- | -- | --