Shift Concerns: Timing - Erratic/Hunting

WARNING: This page is about a different car, the 2002 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.

SHIFT CONCERNS: TIMING - ERRATIC/HUNTING SPECIFICATION

Possible Component	Reference/Action
210 - ELECTRICAL ROUTINE
Powertrain Control System
Electrical inputs/outputs, vehicle wiring harnesses, transaxle control module (TCM), shift solenoids, TPS, OSS, TFT sensors, EPC solenoid, internal wire harness.	Perform Shift Point Road Test and Torque Converter Clutch Operation Test; refer to DIAGNOSTICS . Run on-board diagnostic. Refer to SELF-DIAGNOSTICS for diagnosis.
310 - HYDRAULIC/MECHANICAL ROUTINE
Fluid
Improper level	Adjust fluid to proper level.
Condition	Inspect. Install new components as necessary.
Shift linkage (internal/external)
Damaged, out of adjustment	Inspect. Repair as required. Verify linkage adjustment; refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .
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 components as necessary.
Valves, accumulators, seals, clips, check ball-stuck, damaged, contaminated	Inspect for damage. Install new components as necessary.
Planetary Gear Sets
Damaged	Inspect for damage. Install new components as necessary.