F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
Transmission Cooler: Initial Inspection and Diagnostic Overview
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 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.
1. Visually inspect for obvious signs of mechanical damage, incorrect component installation, and system leaks. Repair as necessary.
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Install a new of remanufactured radiator when fluid is found leaking from the tank transmission fluid cooler.
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Install a new auxiliary transmission fluid cooler if there is leakage from the fluid cooler.
2. If the fault is not visually evident, proceed to the Symptom Chart.
