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 | |
2 | Verify that the rear suspension is noisy. Is the rear suspension noisy? | Go to Step 3 | System OK |
3 |
Is the complaint noise present? | Go to Step 4 | Go to Step 5 |
4 |
Did you complete the repair? | Go to Step 21 | -- |
5 |
Are any components damaged? | Go to Step 6 | Go to Step 7 |
6 | Repair or replace any damaged components. Did you complete the repair? | Go to Step 21 | -- |
7 |
Does either tire exhibit unusual tread wear? | Go to Step 8 | Go to Step 10 |
8 |
Is the noise now emitted from the front of the vehicle? | Go to Step 9 | Go to Step 10 |
9 | Replace the tires that are causing the noise. Did you complete the repair? | Go to Step 21 | -- |
10 | Ensure that the brake lines and cables are secured properly. Did you service any components? | Go to Step 21 | Go to Step 11 |
11 | Ensure that all of the wheel nuts are tightened to the correct specification. Tighten as necessary. Refer to Fastener Tightening Specifications in Tires and Wheels. Did you tighten any of the wheel nuts? | Go to Step 21 | Go to Step 12 |
12 |
Is either shock absorber loose? | Go to Step 13 | Go to Step 15 |
13 |
Is the shock absorber loose? | Go to Step 14 | Go to Step 21 |
14 | Replace the loose or worn shock absorber. Refer to Shock Absorber Replacement in Rear Suspension. Did you complete the repair? | Go to Step 21 | -- |
15 | Use your hands in order to push and pull on the rear axle tie rod. Is the rear axle tie rod loose? | Go to Step 16 | Go to Step 18 |
16 |
Is the rear axle tie rod loose? | Go to Step 17 | Go to Step 21 |
17 | Replace the torque rod as necessary. Did you complete the repair? | Go to Step 21 | -- |
18 | Push and pull on the equalizing beam on the tandem rear axles. Is either equalizing beam loose? | Go to Step 19 | Go to Step 21 |
19 |
Is either equalizing beam loose? | Go to Step 20 | Go to Step 21 |
20 | Replace any worn or loose equalizing beam bushings. Refer to Equalizing Beam End Bushing Replacement or Equalizing Beam Center Bushing Replacement . Did you complete the repair? | Go to Step 21 | -- |
21 | Operate the vehicle in order to verify the repair. Does the system operate normally? | System OK | Go to Step 3 |