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Jaguar XJ6 rear doors won't lock

I have a 2006 Jaguar XJ6. The rear door locks have started locking only intermittently - mostly failing to lock, but occasionally locking. Is there anything you can suggest that I do or try before taking the new replacement lock route?

Asked on 3 January 2020 by James Bacon

Answered by Honest John
There may be a rubber access grommet in the lock face of the door. Get a can of WD40, pop the grommet and squirt the lock servo to disperse any moisture that might be causing it to stick. No rubber grommet, use the extended nozzle inserted between the outer window glass and the window seal to squirt the WD40 down onto the lock servo.
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