GM Service Manual Online
For 1990-2009 cars only

Memory Steer

Step

Action

Yes

No

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

1

Did you review the General Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Suspension General Diagnosis

2

Verify that memory steer is present.

Does the system operate normally?

System OK

Go to Step 3

3

Check the tire inflation and adjust to specifications. Refer to Tire Inflation Pressure Specifications in Maintenance and Lubrication.

Did you adjust the tire pressure?

Go to Step 14

Go to Step 4

4

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Inspect the suspension system for worn or damaged components.
  3. Repair as necessary.

Did you find and correct the condition?

Go to Step 14

Go to Step 5

5

  1. Rotate the steering wheel ONE revolution in both directions.
  2. Rotate the steering wheel back to the original position.

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

Go to Step 6

Go to Step 10

6

  1. Remove the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  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 11

Go to Step 7

7

Inspect for binding strut bearings or ball joints. Use your hands to push and pull the steering knuckle inboard and outboard.

Are either of the steering knuckles abnormally difficult to move?

Go to Step 8

Go to Step 9

8

  1. Disconnect the strut from the steering knuckle.
  2. Use your hands to rotate the strut.

Is the strut abnormally difficult to rotate?

Go to Step 12

Go to Step 13

9

Perform the Power Steering Diagnostic System Check.

Did you perform the power steering diagnostic system check?

Go to Step 14

Go to Diagnostic System Check - Power Steering System in Power Steering Systems

10

Inspect the wheel alignment and adjust as necessary. Refer to Wheel Alignment Measurement in Wheel Alignment.

Did you complete the wheel alignment?

Go to Step 14

--

11

Replace the outer tie rod end. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.

Did you complete the repair?

Go to Step 14

--

12

Replace the strut bearing. Refer to Strut, Strut Component, and Spring Replacement in Front Suspension.

Did you complete the repair?

Go to Step 14

--

13

Replace the damaged ball joint. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.

Did you complete the repair?

Go to Step 14

--

14

Operate the vehicle in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3