why is my Honda Civic 9th Generation (2012-2015) making a loud exhaust noise?

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the negative battery terminal to avoid electrical issues.

2. Repair Exhaust Leaks

• Tools Required: Wrench set, exhaust repair bandage or pipe sealant, jack stands
• If leaks are found in the pipes:
  1. Lift the vehicle using jack stands and secure it.
  2. Remove any damaged sections of the exhaust pipe using a wrench.
  3. Clean the area around the leak to ensure a good seal.
  4. Apply exhaust repair bandage or pipe sealant as per manufacturer instructions.
  5. Reattach the exhaust pipe and tighten the connections securely.

3. Replace Damaged Components

• Parts Required: Exhaust gaskets, exhaust pipe sections, catalytic converter (if damaged)
• If the exhaust manifold or catalytic converter is damaged:
  1. Remove the exhaust manifold bolts and gently detach it from the engine.
  2. Replace the gasket and install a new manifold if necessary, tightening bolts to the manufacturer’s specified torque.
  3. For a damaged catalytic converter, disconnect the exhaust pipes and replace with a new unit, ensuring all connections are secure.

4. Reassemble and Test

1. Reattach any components removed during the process.
2. Reconnect the negative battery terminal.
3. Start the engine and listen for any remaining exhaust noise.