SuspensionNoise Diagnosis - Rear Suspension
Noise Diagnosis - Rear Suspension
Special Tools
CH-39570 Chassis Ear
For equivalent regional tools, refer to
Special Tools .
Step
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Action
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Yes
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No
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DEFINITION: Any noise emitted from the rear of the vehicle that is
induced by VEHICLE SPEED or DRIVING TERRAIN as related to the rear
suspension.
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1
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Did you review the General Description and perform the necessary
inspections?
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Go to Step 2
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Go to
Symptoms - Suspension General Diagnosis
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2
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Attempt to duplicate the condition. Road test the vehicle.
Did you duplicate the condition?
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Go to Step 3
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System OK
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3
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Is the noise reactive to vehicle load or speed?
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Go to Step 4
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Go to Step 6
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4
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Perform the following inspections:
| • |
Inspect for unusual tire wear. |
Did you find and correct the condition?
|
Go to Step 10
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Go to Step 5
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5
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Inspect the rear wheel bearings. Refer to
Wheel Bearings Diagnosis .
Did you find and correct the condition?
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Go to Step 10
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Go to Step 6
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6
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Bounce the rear of the vehicle in order to duplicate the
noise.
Did you duplicate the noise?
|
Go to Step 7
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Go to Step 9
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7
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3. |
Inspect the rear suspension components for damage
and repair as necessary. |
Did you find and correct the condition?
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Go to Step 10
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Go to Step 8
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8
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Inspect the rear shock absorber. Refer to
Suspension Strut and Shock Absorber Testing - On Vehicle .
Did you find and correct the condition?
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Go to Step 10
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Go to Step 9
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9
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1. |
Bounce the rear of the vehicle in order to locate
the source of the noise, preferably by using the CH-39570 chassis
ear or equivalent. |
|
2. |
If necessary, road test the vehicle. |
|
3. |
Repair or replace any defect component as
necessary. |
Did you find and correct the condition?
|
Go to Step 10
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System OK
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10
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Operate the system in order to verify the repair.
Did you correct the condition?
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System OK
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Go to Step 3
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18 Steering & suspension
