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Shift Concerns: Harsh 3-4 Shift (Automatic)

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ROUTINES REFERENCE

Possible Component Reference/Action
242 - ELECTRICAL ROUTINE 
Solenoid Body   
  • Incorrect solenoid body strategy data stored in the PCM
  • Verify solenoid body strategy data stored in the PCM, download new identification and strategy as necessary. Refer to SOLENOID BODY STRATEGY .
342 - HYDRAULIC/MECHANICAL ROUTINE 
Main Control Valve Body   
  • Bolts out of torque specification
  • Tighten bolts to specification.
  • Gaskets and separator plate - damaged, off location
  • Inspect for damage. Install new as required.
  • Overdrive regulator and boost valves, springs, clips- loose, stuck, binding, missing, misassembled
  • Inspect for damage. Repair or install new as required.
  • Direct regulator and boost valves, springs, clips- loose, stuck, binding, missing, misassembled
  • Inspect for damage. Repair or install new as required.
  • Shift Solenoid D (SSD) or Shift Solenoid B (SSB) not functioning correctly
Overdrive Clutch Assembly   
  • Seals - damaged
  • Inspect for damage. Install new as required.
  • Piston - damaged
  • Inspect for damage. Install new as required.
  • Friction - damaged, worn
  • Inspect for damage. Install new as required.
  • Cylinder hub - damaged
  • Inspect for damage. Install new as required.
  • Return spring assembly - damaged
  • Inspect for damage. Install new as required.
Direct Clutch Assembly   
  • Seals - damaged
  • Inspect for damage. Install new as required.
  • Piston - damaged
  • Inspect for damage. Install new as required.
  • Friction - damaged, worn
  • Inspect for damage. Install new as required.
  • Cylinder hub - damaged
  • Inspect for damage. Install new as required.
  • Return spring assembly - damaged
  • Inspect for damage. Install new as required.
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