For 1990-2009 cars

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 7
4 |

1. Inspect the tyres and wheels for the following condition:

• | Correct tyre inflation. Refer to Tire Inflation Pressure Specifications .

• | Abnormal tyre wear or damage. Refer to Tire Diagnosis - Irregular or Premature Wear .

• | Inspect the wheel nuts for looseness. Refer to Fastener Tightening Specifications .

2. Repair as necessary.

Did you find and correct the condition?

Go to Step 11

Go to Step 5

5 | Inspect the differential for noise. Refer to Diagnostic Starting Point - Rear Drive Axle . Did you find and correct the condition? | Go to Step 11 | 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 8 | Go to Step 9
7 |

1. Inspect the rear suspension components for looseness. Refer to Fastener Tightening Specifications .
2. Tighten as necessary. Refer to Fastener Tightening Specifications .

Did you find and correct the condition?

Go to Step 11

Go to Step 9

8 | Inspect the rear struts. Refer to Suspension Strut and Shock Absorber Testing - On Vehicle . Did you find and correct the condition? | Go to Step 11 | Go to Step 10
9 |

1. Inspect the rear stabiliser bar, links, and insulators for wear or damage.
2. Replace as necessary.

• | Refer to Stabilizer Shaft Replacement .

• | Refer to Stabilizer Shaft Insulator Replacement .

• | Refer to Stabilizer Shaft Link Replacement .

Did you find and correct the condition?

Go to Step 11

Go to Step 10

10 |

1. Inspect the rear suspension control arms, caster arms for wear or damage.
2. Repair as necessary.

• | Refer to Lower Control Arm Replacement .

• | Refer to Upper Control Arm Replacement .

• | Refer to Adjust Link Replacement .

• | Refer to Trailing Arm Replacement .

Did you find and correct the condition?

Go to Step 11

Go to Strategy Based Diagnosis in General Information.

11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3