Diagnostic Routine 231/331 - Shift Concerns: Soft/Slipping 2-1 Shift (Automatic)

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

SHIFT CONCERNS: SOFT/SLIPPING 2-1 SHIFT (AUTOMATIC)

Possible Component	Reference/Action
231 ELECTRICAL ROUTINE
No Electrical Concerns
331 HYDRAULIC/MECHANICAL ROUTINE
Main Control
Bolts out of torque specification	Tighten bolts to specification.
Gaskets and Separator Plate - damaged, off location	Inspect for damage. Install new as required.
1-2 Shift Valve, 3-4 Shift Valve, Line Modulator Valve, 3-2 Timing Valve - stuck, damaged	Inspect. Repair as required.
Low One-Way Clutch Assembly
Clutch Assembly - damaged	Inspect for damage. Repair as required.
Support Assembly - Drive Sprocket
Seals - damaged, leaking, hole partially blocked	Inspect for damage. Repair as required.
Forward Clutch Assembly
Forward Clutch assembly	Carry out Air Pressure Test. Refer to SPECIAL TESTING PROCEDURES .
Check Ball - damaged, missing	Inspect for damage. Repair as required.
Clutch Assembly - damaged	Inspect for damage. Repair as required.
Friction - damaged	Inspect for damage. Repair as required.