Vibration Symptoms That Are Heard; Squeaks And Rattles - Suzuki XL7 2007 Service Manual

Vibration Symptoms that are Heard

Category Description
Usually heard as an interior noise
similar to the noise of a bowling
ball rolling down an alley, deep
thunder, or a bass drum.
• Related terminology - droning,
Boom
growling, moaning, roaring,
rumbling, humming
• May not be accompanied by a
perceptible vibration
(roughness)
Similar to the sound of a
bumblebee or blowing air across
the top of a bottle.
Moan or
• Related terminology -
Drone
humming, buzzing, resonance
• May be accompanied by a
perceptible vibration (buzz)
Similar to the sound of the wind
Howl
howling.
Similar to the sound of
Whine mosquitoes, turbine engines, or
vacuum cleaners.

Squeaks and Rattles

Special tool
J 39570 Chassis Ear
J 41416 Ultrasonic Leak Detector
NOTE
Squeaks and rattles are caused by improperly controlled relative motion between vehicle components.
There are 4 ways to prevent squeaks and rattles.
To aid in diagnosing, use J 39570 or J 41416.
• Attach the component that squeaks or rattles securely.
• Separate the components that squeak or rattle to prevent contact.
• Insulate the components that squeak or rattle.
• Insulate low uniform friction surfaces to eliminate stickslip motion.
Typical
Frequency Condition of Occurrence
Range
Vehicle Speed Sensitive
Still occurs during coast down
in NEUTRAL
Vehicle Speed Sensitive
Affected by torque/load
20-60 Hz
Vehicle Speed Sensitive
Affected by steering input
Vehicle Speed Sensitive
Affected by torque/load
Vehicle Speed Sensitive
60-120 Hz
Affected by steering input
Engine Speed Sensitive
Vehicle Speed Sensitive
Affected by torque/load
Vehicle Speed Sensitive
120-300 Hz
Affected by steering input
Engine Speed Sensitive
Vehicle Speed Sensitive
Affected by torque/load -
2WD mode
300-500 Hz
Vehicle Speed Sensitive
Affected by torque/load -
4WD mode
General Information:
Area of Focus
Go to "Vibration
Analysis - Tire and
Wheel: "
Go to "Vibration
Analysis - Driveline: "
Go to "Vibration
Analysis - Hub and/or
Axle Input: "
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Analysis - Driveline: "
Go to "Vibration
Analysis - Hub and/or
Axle Input: "
Go to "Vibration
Analysis - Engine: "
Go to "Vibration
Analysis - Driveline: "
Go to "Vibration
Analysis - Hub and/or
Axle Input: "
Go to "Vibration
Analysis - Engine: "
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diagnostic information
Go to Transfer Case
diagnostic information
0A-60