Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2010FOCUS SES, 2D COUPE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONWHEEL ALIGNMENTSUSPENSION SYSTEM - GENERAL INFORMATIONDIAGNOSIS AND TESTINGSUSPENSION SYSTEMSYMPTOM CHART - NVH

2010 Ford Focus SES, 2D Coupe, Standard

Symptom Chart - NVH

2010 Ford Focus SES, 2D Coupe, StandardSECTION Symptom Chart - NVH

NOTE: NVH symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to NOISE, VIBRATION AND HARSHNESS . Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to NOISE, VIBRATION AND HARSHNESS for the next likely system and continue diagnosis.

NVH SYMPTOM CHART

Condition	Possible Sources	Action
Squeak or grunt - noise from the suspension	Front or rear suspension components	INSPECT the front or rear suspension. INSTALL new components as necessary. REFER to FRONT SUSPENSION for front suspension or REAR SUSPENSION for rear suspension.
Clunk - noise from the front suspension, occurs in and out of turns	Loose front suspension	INSPECT for loose nuts or bolts. TIGHTEN to specifications. REFER to FRONT SUSPENSION for front suspension or REAR SUSPENSION for rear suspension.
Clunk - noise from the rear suspension, occurs when shifting from REVERSE to DRIVE	Loose rear suspension components	INSPECT for loose or damaged rear suspension components. REPAIR or INSTALL new components as necessary. REFER to REAR SUSPENSION .
Click or pop - noise from the front suspension. More noticeable over rough roads or over bumps	Worn or damaged ball joint(s)	CARRY OUT a ball joint inspection. INSTALL new ball joint(s) or control arm(s) as necessary. REFER to SPECIFICATIONS .
Front suspension noise - a squeak, creak or rattle noise. Occurs mostly over bumps or rough roads	Front suspension components	INSPECT the front suspension. INSTALL new components as necessary. REFER to FRONT SUSPENSION .
	Loose or damaged front struts, shock absorber(s) or shock absorber bushing(s)
	Damaged spring or spring mount(s)
	Damaged or worn control/radius arm bushing(s)
	Worn or damaged stabilizer bar bushings or link(s)
Rear suspension noise - a squeak, creak or rattle noise. Occurs mostly over bumps or rough roads	Loose or damaged rear shock absorber(s) or shock absorber bushing(s)	INSPECT the rear suspension. INSTALL new components as necessary. REFER to REAR SUSPENSION .
	Damaged spring or spring mount(s)
	Damaged or worn control arm bushing(s)
	Worn or damaged stabilizer bar bushing(s) or link (s)
Shudder - occurs during acceleration from a slow speed or stop	Incorrect ride height causing incorrect driveline angle	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION for driveline angle diagnosis.
Shimmy	Loose wheel nut (s)	TIGHTEN the nut(s) to specification. REFER to WHEELS & TIRES .
	Loose front suspension fastener(s)	TIGHTEN the fastener(s) to specification. REFER to FRONT SUSPENSION .
	Loose front wheel bearing(s)	INSPECT the front wheel bearing(s). INSTALL new bearing(s) as necessary. REFER to FRONT SUSPENSION .
	Strut(s) or shock absorber(s)	INSTALL new struts or shock absorbers as necessary. REFER to FRONT SUSPENSION for front suspension or REAR SUSPENSION for rear suspension.
Shimmy - most noticeable on coast/deceleration. Also hard steering condition	Excessive positive caster	INSPECT the front suspension. REFER to FRONT SUSPENSION . REPAIR or INSTALL new suspension components as necessary.
Rough/harsh ride	Incorrect tire pressure	ADJUST the tire pressure. REFER to the VC LABEL .
	Low ride height	MEASURE the ride height. REFER to RIDE HEIGHT MEASUREMENT . INSTALL new springs as necessary. REFER to FRONT SUSPENSION for front suspension or REAR SUSPENSION for rear suspension.
	Loose, worn or damaged suspension component(s)	INSTALL new suspension component(s) as necessary. REFER to FRONT SUSPENSION for front suspension or REAR SUSPENSION for rear suspension.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.