F 250 2WD Super Duty V10-6.8L VIN S (1999)
Torque Converter: Service and Repair
Cleaning and Inspection
1. If the Converter Assy is being replaced, continue with sub-step 2 of Step 2.
2. If the Converter Assy is not being replaced the following procedures must be performed:
1
The Converter Assy must be thoroughly cleaned.
-
Converter Assy with drain plugs may be cleaned by using the Torque Converter/Oil Cooler Cleaner.
-
Converter Assy without drain plugs may be cleaned by hand. Partially fill the Converter Assy using only the recommended transmission
fluid for the applicable transmission. Hand-agitate the Converter Assy and then thoroughly drain the fluid. Refill the Converter Assy with
new fluid specified for the transmission, and reinstall.
2
NOTE: For 5.4L applications will still use the in-tank coolers. The Oil-To-Air (OTA) will be used as an auxiliary cooler for this application
only. Vehicles equipped with 5.4L only.
The Oil-To-Air (OTA) cooler must be replaced when contamination is present in the transmission. Do not try to clean or backflush the (OTA)
cooler or the contamination may be reintroduced into the transmission, causing transmission assembly damage.
The in-tank and auxiliary coolers must be thoroughly cleaned by forward and backward flushing.
3
The cooler lines must be thoroughly cleaned by backward and forward flushing.
4
All Cooler Bypass Valves (CBV), if equipped, must be thoroughly cleaned.
5
Perform the Transmission Fluid Cooler Flow Test.
6
If the transmission cooling system falls the Transmission Fluid Cooler Flow Test, the fluid cooler (OTA), cooler bypass valve, and/or cooler
lines must be replaced.
7
If the coolers or cooler by-pass valve are to he replaced use only factory approved service parts.