Diagnostic Routine 233/333 - Shift Concerns: Harsh 2-3 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: HARSH 2-3 SHIFT (AUTOMATIC)

Possible Component	Reference/Action
233 ELECTRICAL ROUTINE
No Electrical Concerns
333 HYDRAULIC/MECHANICAL ROUTINE
Incorrect Pressures
Line pressure, EPC pressure	Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES . Check pressure at EPC and line taps. See the LINE PRESSURE CHART . Refer to SPECIAL TESTING PROCEDURES . If not OK, check the following possible component: Main Control.
Main Control
Bolts out of torque specification	Tighten bolts to specification.
Gaskets and Separator Plate - damaged, off location	Inspect gaskets for damage. Install new as required.
2-3 Shift Valve, 2-3 Capacity Modulator Valve/Spring - stuck, damaged	Inspect. Repair as required.
Line Modulator or Capacity Valves/Springs - damaged, missing	Inspect for damage. Repair as required.
Direct Clutch Assembly
	Carry out Air Pressure Test. Refer to SPECIAL TESTING PROCEDURES .
Seals - damaged, worn	Inspect for damage. Install new as required.
Piston - damaged, worn	Inspect for damage. Install new as required.
Friction - damaged, worn	Inspect. Repair as required
Return Spring Assembly - damaged, worn	Inspect for damage. Install new as required.
2-3 Accumulator Assembly
Piston, Seals, Rod or Bore - damaged, stuck	Inspect for damage. Install new as required.