F 550 2WD Super Duty V8-7.3L DSL Turbo VIN F (2002)
Transmission Cooler: Service and Repair
General Procedures
Transmission Fluid Cooler Flow Test - MT
Transmission Fluid Cooler Flow Test-Manual Transmission
1. Raise and support the vehicle.
2. Disconnect the intank fluid cooler return tube (top fitting) from the transmission.
3. Connect one end of a 9.25 mm (0.3750 inch) inner diameter x 1,500 mm (60 inch) long hose to the intank fluid cooler return tube and insert the
other end into the fluid fill hole in the transmission case.
4. Lower the vehicle.
5. Start the engine and run it at idle with the transmission in NEUTRAL.
6. Raise and support the vehicle.
7. CAUTION: The fluid flow must be steady (without air bubbles) to assure an accurate reading.
Remove the end of the hose from the fluid fill hole in the transmission case and place it into a measuring container for 15 seconds. After 15
seconds insert the end of the hose back into the fluid fill hole in the transmission case.
8. Lower the vehicle.
9. Turn the engine off.
10. Measure the amount of fluid in the container. If the amount of fluid measured is approximately 600 ml (20.4 oz), the transmission fluid cooling
system is functioning correctly. Reinstall all of the components. If the amount of fluid measured is not as specified, proceed as follows:
11. Raise and support the vehicle.
12. Disconnect the intank fluid cooler inlet tube (bottom fitting) from the transmission.
13. Connect one end of the hose to the fluid outlet fitting on the transmission case and insert the other end into the fluid fill hole in the transmission
case.
14. Lower the vehicle.
15. Start the engine and run it at idle with the transmission in NEUTRAL.
16. Raise and support the vehicle.
17. Remove the end of the hose from the fluid fill hole in the transmission case and place it into a measuring container for 15 seconds. After 15
seconds insert the end of the hose back into the fluid fill hole in the transmission case.
18. Lower the vehicle.
19. Turn the engine off.
20. Measure the amount of fluid in the container. If the amount of fluid measured is approximately 600 ml (20.4 oz), the intank transmission fluid
cooler/fluid cooler tubes are damaged/blocked/restricted. Repair as necessary. If the amount of fluid measured is not as specified, repair, or install
a new pump in the transmission.
Transmission Fluid Cooler-Backflushing and Cleaning - MT
Transmission Fluid Cooler-Backflushing and Cleaning-Manual Transmission
CAUTION: When internal wear/damage occurs in the transmission, component material can travel into the fluid cooler tubes and the intank
transmission fluid cooler. Cleaning and backflushing the transmission fluid cooling system and following all of the normal cleaning and inspection
procedures during transmission disassembly and assembly will keep contamination from reentering the transmission and causing a repeat repair. Clean
and backflush the intank transmission fluid cooler and the transmission fluid cooler lines with a suitable torque converter/fluid cooler cleaner every
time the transmission is exchanged or overhauled.
1. NOTE: Attach a rubber hose to the end of the intank fluid cooler inlet tube to aid in connecting it to the torque converter/fluid cooler cleaner.
Connect the intank fluid cooler inlet tube to the torque converter/fluid cooler cleaner pressure line.
2. NOTE: Attach a rubber hose to the end of the intank fluid cooler return tube to aid in connecting it to the torque converter/fluid cooler cleaner.
Connect the intank fluid cooler return tube to the torque converter/fluid cooler cleaner return line.
3. Place the other end of the torque converter/fluid cooler cleaner return line in the solvent tank reservoir.
4. NOTE: Cycling the solvent pump on and off will help dislodge contaminants in the cooling system.
Switch the solvent pump on. Allow the solvent to circulate a minimum of five minutes.
5. Switch the solvent pump off.
6. Disconnect the intank ends of the intank fluid cooler inlet tube and return tube.
