Mark LT 4WD V8-5.4L VIN 5 (2006)
Transmission Cooler: Initial Inspection and Diagnostic Overview
Transmission Cooling Inspection and Verification
CAUTION: When internal wear/damage occurs in the transmission, metal particles, clutch plate material and band material can travel into the torque
converter, the fluid cooler tubes, the in-tank transmission fluid cooler, and the auxiliary transmission fluid cooler if so equipped. These contaminants
are a major cause of recurring transmission concerns. To prevent future concerns, remove these contaminants from the cooling system before placing
the transmission back into use. Refer to fluid cooler flow testing, backflushing and cleaning, torque converter cleaning and inspection, and flushing.
See: Service and Repair/Transmission Fluid Cooler Backflushing and Cleaning
1. Visually inspect for obvious signs of mechanical damage, incorrect component installation, and system leaks. Repair as necessary.
^
Install a new or remanufactured radiator when fluid is found leaking from the in-tank transmission fluid cooler. Refer to Cooling System.
^
Install a new auxiliary transmission fluid cooler if there is leakage from the fluid cooler.
2. If the fault is not visually evident, GO to Symptom Chart. See: Symptom Related Diagnostic Procedures/Diagnosis By Symptom
