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Home >> Infiniti >> 2021 >> Q50 Signature Edition, RWD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension (Diagnostics) >> Symptom Diagnosis >> Rear Suspension System >> NVH Troubleshooting Chart

NVH Troubleshooting Chart

Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.

Reference

Refer to REAR COIL SPRING AND SHOCK ABSORBER : Exploded View and SUSPENSION ARM : Exploded View and FRONT LOWER LINK : Exploded View and REAR LOWER LINK : Exploded View and TOE CONTROL LINK : Exploded View and REAR STABILIZER : Exploded View and REAR SUSPENSION MEMBER : Exploded View .

Refer to REAR COIL SPRING AND SHOCK ABSORBER : Inspection .

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Refer to REAR COIL SPRING AND SHOCK ABSORBER : Inspection .

Refer to REAR COIL SPRING AND SHOCK ABSORBER : Exploded View and SUSPENSION ARM : Exploded View and FRONT LOWER LINK : Exploded View and REAR LOWER LINK : Exploded View and TOE CONTROL LINK : Exploded View and REAR STABILIZER : Exploded View and REAR SUSPENSION MEMBER : Exploded View .

Refer to WHEEL ALIGNMENT : Inspection .

Refer to REAR STABILIZER : Removal & Installation .

NVH in DRIVELINE

NVH in DRIVELINE

NVH in REAR AXLE and REAR SUSPENSION

NVH in WHEEL & TIRE

NVH in WHEEL & TIRE

NVH in REAR AXLE

NVH in BRAKES

NVH in STEERING

Possible cause and SUSPECTED PARTS

Improper installation, looseness

Shock absorber deformation, damage or deflection

Bushing or mounting deterioration

Parts interference

Spring fatigue

Suspension looseness

Incorrect wheel alignment

Stabilizer bar fatigue

PROPELLER SHAFT

DIFFERENTIAL

REAR AXLE AND REAR SUSPENSION

TIRE

ROAD WHEEL

DRIVE SHAFT

BRAKE

STEERING

Symptom

REAR SUSPENSION

Noise

x

x

x

x

x

x

--

--

x

x

x

x

x

x

x

x

Shake

x

x

x

x

--

x

--

--

x

--

x

x

x

x

x

x

Vibration

x

x

x

x

x

--

--

--

x

--

x

x

--

x

--

x

Shimmy

x

x

x

x

--

--

x

--

--

--

x

x

x

--

x

x

Judder

x

x

x

--

--

--

--

--

--

--

x

x

x

--

x

x

Poor quality ride or handling

x

x

x

x

x

--

x

x

--

--

x

x

x

--

--

--

x: Applicable, --: Not applicable