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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 165 (Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Handles, Locks, Latches and Entry Systems >> Pinpoint Tests >> Pinpoint Test U: Ignition Lock Cylinder Difficult To Turn >> Pinpoint Test U: Ignition Lock Cylinder Difficult To Turn

Pinpoint Test U: Ignition Lock Cylinder Difficult To Turn

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
  1. U1 CHECK THE KEY 
    • Inspect the key for an incorrect cut and damage.
    • Is the key correctly cut and free of damage? 
  2. U2 CHECK THE IGNITION LOCK CYLINDER OPERATION 
    • Insert the key into the ignition lock cylinder and rotate the key through all ignition switch positions.
    • Does the key insert into the cylinder and rotate through all ignition switch positions without excessive effort? 
    • Yes  : The mechanical function of the ignition lock cylinder is OK.
    • No  : GO to U3.
  3. U3 CHECK THE IGNITION LOCK CYLINDER WHILE INSERTING THE KEY 
    • Remove the ignition lock cylinder. Refer to IGNITION LOCK CYLINDER .
    • With the lock cylinder in hand, apply light pressure to the back of the lock.
      Fig 1: Removing Ignition Lock Cylinder
      G07992908Courtesy of FORD MOTOR CO.
    • With light pressure still applied to the back of the lock, insert and remove the key from the ignition lock cylinder. Repeat this step several times.
      Fig 2: Inserting/Removing Ignition Lock Cylinder Key
      G07992909Courtesy of FORD MOTOR CO.
    • Does the key insert and remove freely into the ignition lock cylinder? 
    • Yes  : GO to  U6.
    • No  : GO to U4.
  4. U4 CHECK THE KEY FOR BURRS 
    • Inspect the key for burrs.
    • Is the key free of burrs? 
    • Yes  : GO to U5.
    • No  : REMOVE the burrs from the key and RECHECK the key operation. If the concern is still present, GO to U5.
  5. U5 CHECK THE IGNITION LOCKL CYLINDER USING ANOTHER KEY 
    • Obtain another key of the same type for the ignition lock cylinder.
    • With the lock cylinder in hand, apply light pressure to the back of the lock.
      Fig 3: Removing Ignition Lock Cylinder
      G07992908Courtesy of FORD MOTOR CO.
    • With light pressure still applied to the back of the lock, insert and remove the second key from the ignition lock cylinder. Repeat this step several times.
      Fig 4: Inserting/Removing Ignition Lock Cylinder Key
      G07992909Courtesy of FORD MOTOR CO.
    • Does the key insert and remove freely into the ignition lock cylinder? 
  6. U6 CHECK THE IGNITION LOCK CYLINDER FOR BINDING ROTATION 
    • With the lock cylinder in hand and light pressure applied to the back of the lock, rotate the ignition lock cylinder through all positions using the key.
      Fig 5: Checking Ignition Lock Cylinder For Binding Rotation
      G07992912Courtesy of FORD MOTOR CO.
    • Does the ignition lock cylinder freely rotate through all positions? 
  7. U7 CHECK FOR BINDING WITHIN THE STEERING COLUMN LOCK MODULE 
    • Remove the ignition switch.
    • Rotate the rod that is within the stering column lock module.
    • Does the rod rotate freely within the steering column lock module? 
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