External Leak

WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC ROUTINE - EXTERNAL LEAK

Possible Component	Reference/Action
255 - ROUTINE
Powertrain Control System
TSS/Intermediate shaft speed sensor, OSS sensor, transmission bulkhead connector	Inspect for leakage. If areas around sensor or bulkhead connector show signs of leakage, install a new sensor O-ring seal.
Fluid
Incorrect level	Adjust fluid to the correct level. Refer to PRELIMINARY INSPECTION .
Transmission External Remote Filter
	Inspect for leakage. If damaged, repair as necessary.
Incorrect Pressures
High/low pressures	Check pressure at line tap.
High/low pressures	Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES .
Solenoid Body Assembly
Bolts not tightened to specification	Tighten to specification.
Filter gasket damaged	Inspect for damage. If damaged, install a new filter gasket.
Contamination	Disassemble and clean.
Solenoid(s) damaged, stuck or bore damaged. Manual valve stuck or bore damaged	If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly.
Fluid Pump Assembly
Bolts not tightened to specification	Tighten to specification.
Gasket damaged	Inspect for damage. If damaged, install a new gasket.
O-ring damaged	Inspect for damage. If damaged, install a O-ring.
Porosity	Inspect for damage. If damaged, repair as necessary.
Transmission Case Assembly
Case vent damaged, case porosity	Inspect for damage. If damaged, repair as necessary
Seals/Gaskets
Leakage at gaskets, seals, etc.	Refer to LEAKAGE INSPECTION .
Leakage at gaskets, seals, etc.	Remove all traces of lubricant on exposed surface of the transmission. Repair as necessary.