F 450 4WD Super Duty V10-6.8L VIN D (2004)
Transmission Cooler: Initial Inspection and Diagnostic Overview
Inspection and Verification - Manual Transmission
CAUTION: When internal wear/damage occurs in the transmission, component material can travel into the fluid cooler tubes and the in-tank
transmission fluid cooler. Remove these contaminants from the cooling system before placing the transmission back into use. For additional
information, refer to Transmission Fluid Cooler Flow Test - Manual Transmission See: Service and Repair/Flow Test, and refer to Transmission Fluid
Cooler - Backflushing and Cleaning - Manual Transmission for the procedures. See: Service and Repair/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.
2. If the fault is not visually evident, GO to Symptom Chart - Manual Transmission. See: Testing and Inspection/Diagnosis By Symptom/Symptom
Chart-Clutch and Transmission Operation See: Testing and Inspection/Diagnosis By Symptom/Symptom Chart-Transmission Component Wear
and Damage
