GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Steering Wheel and Column Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Steering Wheel and Column in Steering Wheel and Column.

2

Verify that noise is present in the steering column during operation.

Is noise present in the steering column during operation?

Go to Step 3

System OK

3

Inspect the steering column components for looseness.

Are any of the steering column components loose?

Go to Step 9

Go to Step 4

4

Inspect the SIR coil for noise.

Is the SIR coil noisy?

Go to Step 10

Go to Step 5

5

Inspect the steering column tilt mechanism assembly for wear or damage .

Is the tilt mechanism assembly worn or damaged?

Go to Step 11

Go to Step 6

6

Inspect the steering shaft bearings for wear or damage.

Are the steering shaft bearings worn or damaged?

Go to Step 11

Go to Step 7

7

Inspect the intermediate shaft upper universal joint for wear or damage.

Is the intermediate shaft upper universal joint worn or damaged?

Go to Step 12

Go to Step 8

8

Inspect the intermediate shaft lower universal joint for wear or damage.

Is the intermediate shaft lower universal joint worn or damaged?

Go to Step 12

Verify customer concern, go to Strategy Based Diagnosis in General information.

9

Notice: Refer to Fastener Notice in the Preface section.

Tighten the steering column components to the required specifications. Refer to Fastener Tightening Specifications .

Did you complete the repair?

Go to Step 13

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10

Replace the SIR coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.

Did you complete the repair?

Go to Step 13

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11

Replace the steering column assembly. Refer to Steering Column Replacement in Steering Wheel and Column.

Did you complete the repair?

Go to Step 13

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12

Replace the intermediate steering shaft. Refer to Intermediate Steering Shaft Replacement

Did you complete the repair?

Go to Step 13

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13

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3