E 450 V8-5.4L (2009)
14. Remove the retainer and the door lock cylinder.
Sliding door
15. If equipped, remove the speaker.
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Remove the 4 screws.
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Disconnect the speaker electrical connector.
16. Disconnect the lock cylinder actuating rod.
17. Remove the retainer and the lock cylinder.
All doors
18. To install, reverse the removal procedure.