TSBs

Lincoln Navigator Growls

July 12, 2022

Some 2013-2014 Lincoln Navigator vehicles may exhibit a growl or buzz noise coming from the transmission that occurs when shifting from Park to Drive or Park to Reverse, most often after the vehicle has been parked, engine shut off and re-started.

Information courtesy of Mitchell 1,

Mike Mavrigian

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Identify the transmission build date on the transmission identification tag. The date will be in DDMMYY format. Refer to the workshop manual, section 307-01. Replace the main control valve body separator plate or main control assembly as required by the transmission build date.

P/N PART

CL3Z-7Z490-C..........main control valve body separator plate (built 8-1-13 to 2-28-14)

FL3Z-7A100-E..........main control assembly (built 3-1-14 to 7-14-14)

FL3Z-7Z490-E..........main control valve body separator plate (built 3-16-14 to 7-14-14)

XT-10-QLVC...........Motorcraft MERCON LV ATF

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.