GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The steering wheel does not return to center after completing a turn.

1

Road test the vehicle in order to verify the customer complaint.

Does the vehicle exhibit memory steer?

--

Go to step 2

System OK

2

Ensure that all of the tires are inflated to the correct pressure. Refer to Tire Inflation Pressure Specifications in Maintenance and Lubrication.

Has the inspection/adjustment been performed?

--

Go to Step 3

--

3

  1. Lubricate the tie rod ends and the ball joints if applicable.
  2. Inspect the suspension system for worn or damaged components. Repair as necessary
  3. Road test the vehicle in order to verify the customer complaint.

Does the vehicle still exhibit memory steer?

--

Go to Step 4

System OK

4

  1. Check for proper wheel alignment. Refer to Wheel Alignment Specifications in Wheel Alignment. Adjust as necessary.
  2. Road test the vehicle in order to verify the customer complaint.

Does the vehicle still exhibit memory steer?

--

Go to Step 5

System OK

5

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect both of the outer tie rod ends from the steering knuckles. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
  3. Use your hands in order to move the tie rod ends.

Are either of the tie rod ends abnormally difficult to move?

--

Go to Step 6

Go to Step 7

6

  1. Replace the outer tie rod end(s) as necessary. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
  2. Road test the vehicle in order to verify the customer complaint.

Does the vehicle still exhibit memory steer?

--

Go to step 7

System OK

7

Inspect for binding strut bearings and lower ball joints. Use your hands to push and pull the front of the wheels inboard and outboard.

Are either of the struts abnormally difficult to move?

--

Go to Step 8

Go to Step 12

8

  1. Remove the tire/wheel.
  2. Disconnect the strut from the steering knuckle. Refer to Strut Assembly Replacement in Front Suspension.
  3. Use your hands to rotate the strut.

Is the strut abnormally difficult to rotate?

--

Go to Step 9

Go to Step 10

9

  1. Replace the strut bearing. Refer to Strut, Strut Component, and Spring Replacement in Front Suspension.
  2. Road test the vehicle in order to verify the customer complaint.

Does the vehicle still exhibit memory steer?

--

Go to Step 12

System OK

10

Use your hands in order to rotate the steering knuckle/ball joint.

Is the steering knuckle/ball joint abnormally difficult to rotate?

--

Go to Step 11

Go to Step 12

11

  1. Replace the lower ball joint. Refer to Stabilizer Shaft Insulator Replacement in Front Suspension.
  2. Road test the vehicle in order to verify the customer complaint.

Does the vehicle still exhibit memory steer?

--

Go to Step 12

System OK

12

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Rotate the steering wheel ONE revolution in either direction.
  3. Rotate the steering wheel back to the original position.

Was the steering wheel abnormally difficult to rotate in either direction?

--

Go to Step 13

Go to Step 1

13

  1. Disconnect the intermediate shaft. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column - Tilt.
  2. Important: Do NOT rotate the steering wheel more than one complete revolution.

  3. Note the position of the steering wheel and rotate the steering wheel ONE revolution in either direction.
  4. Rotate the steering wheel back to the original position as previously noted.

Was the steering wheel abnormally difficult to rotate in either direction?

--

Go to Step 15

Go to Step 14

14

  1. Repair the steering gear as necessary. Refer to Steering Gear Replacement in Power Steering System.
  2. Road test the vehicle in order to verify the customer complaint.

Does the vehicle still exhibit memory steer?

--

Go to Step 1

System OK

15

  1. Repair the intermediate steering shaft as necessary. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column - Tilt.
  2. Road test the vehicle in order to verify the customer complaint.

Does the vehicle still exhibit memory steer?

--

Go to Step 1

System OK