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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Suspension System General Diagnosis) >> Diagnostic Information and Procedures >> Noise Diagnosis - Rear Suspension

Noise Diagnosis - Rear Suspension

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Step Action Yes No
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.
1 Did you review the General Description and perform the necessary inspections? Go to Step 2  Go to Symptoms - Suspension General Diagnosis 
2 Attempt to duplicate the condition. Road test the vehicle.
Did you duplicate the condition?		 Go to Step 3  System OK
3 Is the noise reactive to vehicle load or speed? Go to Step 4  Go to Step 6 
4 Perform the following inspections:
Did you find and correct the condition?		 Go to Step 10  Go to Step 5 
5 Inspect the rear wheel bearings. Wheel Bearings Diagnosis 
Did you find and correct the condition?		 Go to Step 10  Go to Step 6 
6 Bounce the rear of the vehicle in order to duplicate the noise.
Did you duplicate the noise?		 Go to Step 7  Go to Step 9 
7
  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Inspect the rear suspension components for looseness. Fastener Specifications
  3. Inspect the rear suspension components for damage and repair as necessary.
Did you find and correct the condition?		 Go to Step 10  Go to Step 8 
8 Inspect the rear shock absorber. Suspension Strut and Shock Absorber Testing - On Vehicle 
Did you find and correct the condition?		 Go to Step 10  Go to Step 9 
9
  1. Install a listening device, if existing.
  2. Bounce the rear of the vehicle, preferably by using a listening device, in order to locate the source of the noise. If necessary, road test the vehicle.
  3. Repair or replace any defective component, as necessary.
Did you find and correct the condition?		 Go to Step 10  System OK
10 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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