Vehicles from the 2000 to 2006 model years are impacted.
While Marathon’s 1.0.0.4 update made some positive adjustments, one change is proving hugely controversial, with many pushing for it to be reverted.
Ford F-150 5.0L owners face a 2026 reliability wall. Despite maintenance, 10R80 CDF drum failure and PTWA oil loss are triggering $6,000 repairs. Watch for 215°F+ temps, harsh 7-8 gear shifts, and 1qt ...