GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

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

Go to Step 2

Go to Symptoms - Steering Wheel and Column - Standard

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.

Is the steering column components loose?

Go to Step 10

Go to Step 4

4

Inspect the SIR/SRS coil for noise.

Is the SIR/SRS coil noisy?

Go to Step 11

Go to Step 5

5

Inspect the horn contact ring for lubrication.

Is the horn contact ring lubricated?

Go to Step 12

Go to Step 6

6

Inspect the lock plate retaining ring for the correct installation.

Is the lock plate retaining ring installed properly?

Go to Step 13

Go to Step 7

7

Inspect the shaft bearing for the following conditions:

    • Damage
    • Lubrication
    • Wear
    • Proper seating

Are the bearings in need of repair or replacement?

Go to Step 14

Go to Step 8

8

Inspect the spherical joint for lubrication.

Is the spherical joint lubricated?

Go to Step 15

Go to Step 9

9

Inspect the steering column coupling for looseness.

Is the steering column coupling loose?

Go to Step 16

Go to Step 3

10

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

Did you complete the repair?

Go to Step 17

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11

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

Did you complete the repair?

Go to Step 17

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12

Lubricate the horn contact ring.

Did you complete the repair?

Go to Step 17

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13

Install the lock plate retaining ring properly.

Did you complete the repair?

Go to Step 17

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14

Repair the shaft bearings as necessary. Refer to Steering Shaft, Lower Bearing, and Jacket - Disassemble - Off Vehicle .

Did you complete the repair?

Go to Step 17

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15

Lubricate the spherical joints.

Did you complete the repair?

Go to Step 17

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16

Tighten the steering column coupling to specifications. Refer to Fastener Tightening Specifications .

Did you complete the repair?

Go to Step 17

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17

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3