GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

DEFINITION: The deviation of the vehicle from a straight path on a level road with no pressure on the steering wheel.

1

Did you perform the Vehicle Leads/Pull diagnostic table?

Go to Step 2

Go to Vehicle Leads/Pulls

2

Road test the vehicle to verify the complaint. Select a smooth level surface to perform the test.

Does the condition exist?

Go to Step 3

System OK

3

  1. Cross-switch the front tire/wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  2. Road test the vehicle on a smooth level surface.

Does the vehicle still lead/pull?

Go to Step 4

System OK

4

Does the vehicle lead/pull in the opposite direction?

Go to Step 5

Go to Vehicle Leads/Pulls

5

Replace one of the front tires with a known good tire. Refer to Tire Dismounting and Mounting .

Is the repair complete?

Go to Step 6

--

6

Road test the vehicle on a smooth level surface.

Does the vehicle still lead/pull?

Go to Step 7

Go to Step 9

7

Replace the other front tire with a known good tire. Refer to Tire Dismounting and Mounting .

Is the repair complete?

Go to Step 8

--

8

Road test the vehicle on a smooth level surface.

Does the vehicle still lead/pull?

Go to Vehicle Leads/Pulls

Go to Step 9

9

Verify proper vehicle operation.

Does the original condition still exist?

Go to Step 1

System OK