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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1134 (Suspension General Diagnosis) >> Diagnostic Information and Procedures >> Memory Steer

Memory Steer

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
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 Ensure that all of the tires are inflated to the correct pressure. Refer to Vehicle Certification, Tire Placard, Anti-Theft, and Service Parts ID Label .
Has the inspection/adjustment been performed?		 Go to Step 4  -
4
  1. Lubricate the tie rod ends and the ball joints if applicable.
  2. Inspect the suspension system for worn or damaged components.
  3. Repair as necessary.
  4. 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 support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect both of the outer tie rod ends from the steering knuckles. Refer to Steering Linkage Outer Tie Rod Replacement (with Rear Wheel Drive) or Steering Linkage Outer Tie Rod Replacement (with All Wheel Drive) .
  3. Use your hands in order to move the steering gear linkage to check for a binding condition.
Is the power steering gear linkage abnormally difficult to move?		 Go to Step 9  Go to Step 6 
6 Use your hands in order to rotate the steering knuckle/ball joints.
Is the steering knuckle/ball joints abnormally difficult to rotate?		 Go to Step 7  Go to Step 8 
7 Replace the lower control arm. Refer to Lower Control Arm Replacement (AWD) or Lower Control Arm Replacement (RWD) or Shock, Shock Component, and/or Spring Replacement .
Did you complete the repair?		 Go to Step 8  Go to Step 8 
8
  1. Rotate the steering wheel ONE revolution in either direction.
  2. Rotate the steering wheel back to the original position.
Was the steering wheel abnormally difficult to rotate in either direction?		 Go to Step 9  Go to Step 12 
9
  1. Disconnect the intermediate shaft.
    2. IMPORTANT: Do NOT rotate the steering wheel more than one complete revolution.
  2. Note the position of the steering wheel and rotate the steering wheel ONE revolution in either direction.
  3. 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 10  Go to Step 11 
10 Repair the steering column as necessary.
Did you complete the repair?		 Go to Step 13  -
11
  1. Repair the steering gear as necessary. Refer to Steering Gear Replacement (with All Wheel Drive) or Steering Gear Replacement (with Rear Wheel Drive) .
  2. Road test the vehicle in order to verify the customer complaint.
Did you complete the repair?		 Go to Step 12  -
12
  1. Check for proper wheel alignment. Refer to Wheel Alignment Measurement . Adjust as necessary.
  2. Road test the vehicle in order to verify the customer complaint.
Did you complete the repair?		 Go to Step 13  -
13 Operate the vehicle in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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