Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
DEFINITION: Any noise emitted from the front of the vehicle that is induced by VEHICLE SPEED or DRIVING TERRAIN as related to the front suspension. | |||||||||
1 | Did you review the General Description and perform the necessary Inspections? | Go to Step 2 | |||||||
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 7 | ||||||
4 | Inspect the tires for the following conditions:
Did you find and correct the condition? | Go to Step 14 | Go to Step 5 | ||||||
5 | Inspect the front wheel bearings. Refer to Wheel Bearings Diagnosis . Did you find and correct the condition? | Go to Step 14 | Go to Step 6 | ||||||
6 | Inspect for front axle or transaxle noises. Refer to Symptoms - Manual Transmission for the M86 Getrag transmission or Symptoms - Automatic Transmission for the 4T40-E/4T45-E transmission. Did you find and correct the condition? | Go to Step 14 | Go to Step 7 | ||||||
7 | Bounce the front of the vehicle in order to duplicate the noise. Did you duplicate the noise? | Go to Step 8 | Go to Step 9 | ||||||
8 |
Did you find and correct the condition? | Go to Step 14 | Go to Step 9 | ||||||
9 |
Did you find and correct the condition? | Go to Step 14 | Go to Step 10 | ||||||
10 | Inspect the ball joints and steering components for the following conditions:
Did you find and correct the condition? | Go to Step 14 | Go to Step 11 | ||||||
11 | Inspect for damaged shock absorbers. Refer to Suspension Strut and Shock Absorber Testing - On Vehicle . Did you find and correct the condition? | Go to Step 14 | Go to Step 12 | ||||||
12 | Inspect the front stabilizer shaft and stabilizer shaft links for damage and repair as necessary. Refer to Stabilizer Shaft Replacement or Stabilizer Shaft Link Replacement . Did you find and correct the condition? | Go to Step 14 | Go to Step 13 | ||||||
13 | Inspect for control arm damage and repair as necessary. Refer to Lower Control Arm Replacement . Did you find and correct the condition? | Go to Step 14 | -- | ||||||
14 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |