Symptom Chart - Noise, Air Leaks or Water Leaks

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Possible Sources	Action
Wind noise, air or water leaks	Body	REFER to the Symptom Chart in BODY SYSTEM - GENERAL INFORMATION article.
	Roof opening panel	REFER to the Symptom Chart in BODY SYSTEM - GENERAL INFORMATION article.
Belt driven accessory noise/squeal or chirping	Accessory drive belts Pulleys	REFER to ACCESSORY DRIVE - 2.3L article, ACCESSORY DRIVE - 3.0L (4V) article or ACCESSORY DRIVE - 3.5L article.
Front end noise while driving vehicle	Front suspension	REFER to SUSPENSION SYSTEM - GENERAL INFORMATION article.
	Drive axle or differential	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.
	Brake system	REFER to BRAKE SYSTEM - GENERAL INFORMATION article.
	Steering linkage or gear	REFER to STEERING SYSTEM - GENERAL INFORMATION article.
	Transmission/transaxle	Refer to the appropriate Automatic Transmission article for the procedure. Refer to the appropriate Manual Transmission, Clutch and Transfer Case article for the procedure. Go to the Symptom Chart in the appropriate part.
	Engine	REFER to ENGINE SYSTEM - GENERAL INFORMATION article.
	Exhaust system	REFER to EXHAUST SYSTEM article.
	Body	REFER to the Symptom Chart in BODY SYSTEM - GENERAL INFORMATION article.
Rear end noise while driving vehicle	Rear suspension	REFER to SUSPENSION SYSTEM - GENERAL INFORMATION article.
	Drive axle or differential	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.
	Brake system	REFER to BRAKE SYSTEM - GENERAL INFORMATION article.
	Transmission/transaxle	Refer to the appropriate Automatic Transmission article for the procedure. Refer to the appropriate Manual Transmission, Clutch and Transfer Case article for the procedure. Go to the Symptom Chart in the appropriate part.
	Exhaust system	REFER to EXHAUST SYSTEM article.
	Body	REFER to the Symptom Chart in BODY SYSTEM - GENERAL INFORMATION article.
Noise with vehicle stopped	Engine	REFER to ENGINE SYSTEM - GENERAL INFORMATION article.
	Transmission/transaxle	Refer to the appropriate Automatic Transmission article for the procedure. Refer to the appropriate Manual Transmission, Clutch and Transfer Case article for the procedure. Go to the Symptom Chart in the appropriate part.
	Exhaust system	REFER to EXHAUST SYSTEM article.
	Power steering pump	REFER to STEERING SYSTEM - GENERAL INFORMATION article.
	Generator	REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
	A/C compressor	REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
	Body	REFER to the Symptom Chart in BODY SYSTEM - GENERAL INFORMATION article.