Delayed or Soft Forward Only

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 - DELAYED OR SOFT FORWARD ONLY

Possible Component	Reference/Action
206 - ROUTINE
Powertrain Control System
PCM, external vehicle wiring harnesses, transmission internal harness, line pressure solenoid (PC-A)	Carry out on-board diagnostic tests. Refer to the appropriate SYSTEM WIRING DIAGRAMS article for diagnosis and testing of the PCM.
	Go To PINPOINT TEST E: PC-A (LINE PRESSURE) SOLENOID .
	Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test.
External Shift Cable
Cable system damaged, misaligned	Inspect and repair as necessary.
Incorrect Pressures
High pressures	Check pressure at line tap.
High 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.
PC-A, Solenoid damaged, stuck or bore damaged. Manual valve or solenoid damaged, stuck or bore damaged	If damaged or parts are missing, install a new PCA-A solenoid or solenoid body assembly. If misassembled, reassemble correctly.
Fluid Pump Assembly
Bolts not tightened to specification	Tighten to specification.
Gasket damaged	Inspect for damage. Repair as necessary. If damaged, install a new gasket.
Porosity, cross leaks, cup plug missing, plugged hole	Inspect for damage. Repair as necessary.
Pump gears and/or gear pocket damaged	Inspect for damage. Repair as necessary. If damaged, install a new pump.
Control valves, springs or seal damaged, stuck or not assembled correctly	Inspect for damage. Repair as necessary. If damaged, install a new seal or pump assembly.
OD OWC
Mechanical diode engaged in both directions, struts missing, OWC damaged	Inspect for rotation in one direction only, mechanical diode should overrun in the opposite direction. Install a new OWC if damaged or fails inspection.
Forward Clutch Assembly
Seals, piston damaged	Inspect for damage. Repair as necessary.
Friction elements damaged or worn	Inspect for damage. Repair as necessary.
Return springs damaged	Inspect for damage. Repair as necessary.
Low/Reverse OWC
Mechanical diode engaged in both directions, struts missing, OWC damaged	Inspect for rotation in one direction only, mechanical diode should overrun in the opposite direction. Install a new OWC if damaged or fails inspection.
Low/Reverse Clutch Assembly
Seals, piston damaged	Inspect for damage. Repair as necessary.
Filtered orifice damaged, missing, not seating, off location	Inspect for mislocation, poor seating, damage. Install a new case.
Friction elements damaged or worn	Inspect for damage. Repair as necessary.
Return springs damaged	Inspect for damage. Repair as necessary.
Snap ring for OWC and/or return spring not seated or damaged	Inspect for damage. Repair as necessary.