Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
Valve Body: Service and Repair
4R100
Removal
NOTE: If the transmission has been disassembled to replace worn or damaged parts, and the valves in the main control valve body stick repeatedly
from foreign material, the torque converter must be removed and cleaned by using a mechanically agitated cleaner, such as the Torque Converter/Oil
Cooler Cleaner.
1. WARNING: On vehicles equipped with an auxiliary battery, both the negative and positive battery cables must be disconnected.
WARNING: On vehicles equipped with a 7.31 engine, both the primary and secondary batteries must be disconnected.
Disconnect the battery ground cable.
2. Remove the transmission fluid level indicator.
3. Raise and support the vehicle.
4. On vehicles equipped with a 7.3L engine, loosen the (A) bolts and remove the (B) heat shield.
5. CAUTION: Check the electrical connectors for terminal condition, corrosion and contamination. Repair or replace as required.