What Causes the Loud Engine Noise in Classic Focus?

[Seth]

Classic Focus engine loud noise causes include damaged engine mounts, carbon buildup in the intake tract, and issues with the engine right bracket. Detailed explanations for each cause are as follows: Damaged Engine Mounts: Symptoms of damaged engine mounts include abnormal vibrations and buzzing sounds during idle. The solution is to replace the engine mounts. Carbon Buildup in the Intake Tract: Symptoms of carbon buildup in the intake tract include intermittent shaking accompanied by noise. The solution is to dismantle and clean the intake tract. Issues with the Engine Right Bracket: Symptoms of issues with the engine right bracket include continuous noise at high speeds and noticeable jerking during manual gear shifting. The solution is to replace the engine right bracket.