Torque Converter Operation Concerns: Does Not Apply

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

POSSIBLE COMPONENT CHART

Possible Component	Reference/Action
240 - ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses, TCC solenoid, TFT sensor and engine coolant temperature (ECT) sensor	Carry out On-Board Diagnostic Tests. See INTRODUCTION - CNG, FLEX-FUEL & GASOLINE article for diagnosis and testing of the PCM. GO to PINPOINT TEST A and GO to PINPOINT TEST B . Repair as necessary. Clear DTCs, road test and rerun On-Board Diagnostic Test.
Incorrect Pressures
High/low pressures	Check pressure at line and PC C taps. Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES .
Main Control
Screws not tightened to specification	Tighten to specification.
Separator plate damaged	Inspect for damage. If damaged, install a new separator plate.
Contamination	Disassemble and clean.
Valve, springs damaged, misassembled, missing, stuck or bore damaged	If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage.
Filter damaged or missing	Inspect for damage. Repair as necessary.
Fluid Pump Assembly
Screws not tightened to specification	Tighten screws to specification.
Gasket damaged	Inspect for damage. If damaged, install a new gasket.
Porosity, cross leaks, ball missing, plugged hole	Inspect for damage. If damaged, repair as necessary.
Pump gears cracked and/or seized	Inspect for damage. Install a new pump.
Flow control valves, springs or seals damaged, stuck or not assembled correctly	Inspect for damage. Install a new seal or flow control valve.
Torque Converter Assembly
Torque Converter internal failure preventing engagement, piston application	Remove transmission. Inspect for damage. Refer to TORQUE CONVERTER . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter.