Step
| Action
| Value
| 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 front suspension.
|
1
|
Important: It may be necessary to compare this vehicle to a identical vehicle to
determine if the customer's complaint a normal operating characteristic of
the vehicle.
Attempt to duplicate the noise. Road test the vehicle.
Is there an abnormal noise present?
| --
|
Go to Step 2
| System OK
|
2
|
- Shift the transmission into Park.
- Turn the ignition off.
- Bounce the rear of the vehicle in order to duplicate the noise.
Is the complaint noise heard?
| --
|
Go to Step 3
|
Go to Step 4
|
3
|
- Bounce the rear of the vehicle. Use a stethoscope in order to
locate the source of the noise.
- Repair or replace the suspect components as necessary.
Has the repair been performed?
| --
|
Go to Step 1
| --
|
4
|
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Inspect all of the rear suspension components for any damage.
Are any components damaged?
| --
|
Go to Step 5
|
Go to Step 6
|
5
| Repair or replace any damaged components.
Has the repair been performed?
| --
|
Go to Step 1
| --
|
6
|
- Inspect the tires for proper inflation. Refer to
Tire Inflation Pressure Specifications
in Maintenance and Lubrication.
Correct the tire inflation pressure as necessary.
- Inspect the tires for unusual wear. Refer to
Tire Diagnosis - Irregular or Premature Wear
in Tires and Wheels.
Does either tire exhibit unusual tread wear?
| --
|
Go to Step 7
|
Go to Step 9
|
7
|
- Rotate the tires. Refer to
Tire Rotation
in Tires and Wheels.
- Road test the vehicle.
Is the noise now emitted from the front of the vehicle?
| --
|
Go to Step 8
|
Go to Step 9
|
8
| Replace
the tires that are causing the noise.
Has the repair been performed?
| --
|
Go to Step 1
| --
|
9
| Ensure that the park brake cable and the spare tire are
secured properly.
Did you service any components?
| --
|
Go to Step 1
|
Go to Step 10
|
10
| Ensure that all of the wheel nuts are tightened to the
correct specification. Tighten as necessary. Refer to
Tire and Wheel Specifications
in Tires and Wheels.
Did you tighten any of the wheel nuts?
| --
|
Go to Step 1
|
Go to Step 11
|
11
|
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Use your hand to push and pull the struts.
Is either strut loose?
| --
|
Go to Step 12
|
Go to Step 14
|
12
|
- Inspect the strut fasteners for the correct fastener tightening
specification. Tighten as necessary. Refer to
Fastener Tightening Specifications
in Rear Suspension.
- Use your hands in order to push and pull the strut.
Is the strut loose?
| --
|
Go to Step 14
|
Go to Step 1
|
13
| Replace
the loose or worn strut. Refer to
Strut Assembly Replacement
in Rear Suspension.
Has the repair been performed?
| --
|
Go to Step 1
| --
|
14
|
- Inspect the rear axle trailing arm fasteners for the correct fastener
tightening specification. Tighten as necessary. Refer to
Fastener Tightening Specifications
in Rear Suspension.
- Use your hands in order to push and pull on the rear axle trailing
arm.
Is either rear axle trailing arm loose?
| --
|
Go to Step 15
|
Go to Step 1
|
15
| Replace any worn rear
axle trailing arm. Refer to
Trailing Arm Replacement
in Rear Suspension.
Has the repair been performed?
| --
|
Go to Step 1
| --
|
16
|
- Use an on-vehicle wheel balancer in order to spin the rear wheels.
- Increase the wheel speed until the noise is at the most audible
level.
Important: Do not allow the stethoscope to contact any moving components.
- Use a stethoscope in order to locate the source of the noise.
Does either wheel bearing exhibit excessive noise?
| --
|
Go to Step 17
|
Go to Step 7
|
17
| Replace
the wheel bearings. Refer to
Rear Wheel Bearing and Hub Replacement
in Rear Suspension.
Has the repair been performed?
| --
|
Go to Step 1
| --
|
