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Home >> Audi >> 2017 >> A6 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 381 (Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Handles, Locks, Latches and Entry Systems - With Intelligent Access (IA) >> Pinpoint Tests >> Pinpoint Test Ac : The Door Lock Cylinder Is Inoperative >> Pinpoint Test Ac : The Door Lock Cylinder Is Inoperative

Pinpoint Test Ac : The Door Lock Cylinder Is Inoperative

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

  1. AC1 CHECK THE LOCK CYLINDER OPERATION AFTER LUBRICATION

    • Spray a lock lubricant such as Motorcraft XL-1 into the lock cylinder opening for a couple of seconds.
    • Operate the door lock cylinder with the key.

    Does the door lock and unlock using the door lock cylinder? 

    Yes  The concern was caused by an insufficiently lubricated lock cylinder. SPRAY a multi-purpose grease such as Motorcraft XL-5 into the lock cylinder for a couple seconds to provide long term lubrication.
    No  GO to  AC2.

  2. AC2 CHECK THE DOOR LOCK CYLINDER

    • Operate the door lock cylinder with the key.

    Does the door lock cylinder rotate freely to both lock and unlock positions? 

    Yes  GO to  AC3.
    No  INSTALL a new door lock cylinder. REFER to Door Lock Cylinder .

  3. AC3 CHECK THE DOOR LOCK CYLINDER LINKAGE

    • Operate the door lock cylinder while observing the linkage.

    Is the door lock cylinder rod and lever bent or binding? 

    Yes  REPAIR as necessary.
    No  INSTALL a new door latch. REFER to Front Door Latch .
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