Some 2012-2014 Lincoln Navigator vehicles may exhibit coolant loss from the coolant expansion tank cap.
- Flush the cooling system.
- Replace the thermostat and radiator cap during the flush procedure.
- Remove the coolant expansion tank.
- Thoroughly clean the tank using fresh water.
- Reinstall the expansion tank.
- Fill and bleed the cooling system (use distilled water as part of the mix)
Install thermostat P/N 7L3Z-8575-D and gasket P/N F1VY-8255-A.
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.
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.