Ranger 4WD V6-245 4.0L VIN X SFI (1999)
Transmission Cooler: Component Tests and General Diagnostics
1. Check to see that the fitting nut is fully tightened. If the leak persists, apply a thin, even coat of Dow Corning 1200 primer or equivalent using a
brush. Allow to dry for 10 minutes at room temperature. Apply Dow Corning Silastic 734RTV or equivalent in undiluted form around the leaking
connection and allow it to dry for one hour.