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

2

Verify the ignition lock cylinder exhibits high lock effort.

Does the ignition lock cylinder exhibit high lock effort?

Go to Step 3

System OK

3

Inspect the lock cylinder case for damage.

Is the lock cylinder case damaged?

Go to Step 6

Go to Step 4

4

Inspect the lock cylinder for damage.

Is the lock cylinder damaged?

Go to Step 7

Go to Step 5

5

Inspect the ignition switch for damage.

Is the ignition switch damaged?

Go to Step 8

Go to Step 3

6

Replace the lock cylinder case. Refer to Ignition Lock Cylinder Case Replacement .

Did you complete the repair?

Go to Step 9

--

7

Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement .

Did you complete the repair?

Go to Step 9

--

8

Replace the ignition switch. Refer to Ignition and Start Switch Replacement .

Did you complete the repair?

Go to Step 9

--

9

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3