Home >> Lincoln >> 2012 >> Navigator 2WD V8-5.4L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Automatic Transaxle/Transmission - 6R80 >> Diagnostic Routines >> Other Concerns: 252 - 261 >> 257, Transmission Overheating