Ford Ecosport Owners and Service Manuals

Ford Ecosport: Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Diagnosis and Testing - Diagnosis By Symptom

Ford Ecosport 2014-2025 Service and Repair Manual / Automatic Transmission / Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Diagnosis and Testing - Diagnosis By Symptom

Symptom Chart(s)

Symptom Chart: Automatic Transmission

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

In most circumstances the PCM sets a DTC to help guide with diagnostics. Refer to the DTC Chart before using the Symptom Chart.

Symptom Possible Sources Action
  • Engagement Concerns
  • No Forward
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No Reverse
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low/Reverse clutch damaged or worn.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Harsh Reverse
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Damaged center support.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Harsh Forward
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Damaged center support.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Delayed/Soft Reverse
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low/Reverse clutch damaged or worn.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Delayed Soft/Forward
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No Forward and No Reverse
  • Check the transmission fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
  • PERFORM Transmission Line Pressure Test.
    REFER to: Transmission Line Pressure Test (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Inspect the filter and pump assembly.
    REFER to: Pump Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Delayed/Soft Forward and Reverse
  • Check the transmission fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
  • PERFORM Transmission Line Pressure Test.
    REFER to: Transmission Line Pressure Test (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Inspect the filter and pump assembly.
    REFER to: Pump Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Neutral after Launch
  • Low one-way clutch assembly damaged.
    REFER to: Low One-Way Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Harsh Stop/Start event
  • Verify Fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
    If fluid level is ok, Clear any DTC , then carry out prime procedure: Verify TFT is greater than 100°F, prime the Transmission Fluid Auxiliary Pump. Using a diagnostic scan tool, Key ON, Engine OFF, command TRANS_PMP_CMD to 80% for 30 seconds. Carry out a road test until there is a stop/start event. If the restart is harsh, repeat the Transmission Fluid Auxiliary Pump prime procedure. Continue road test and evaluate each stop/start event. Repeat prime procedure until three consecutive normal stop/start events are achieved. Clear DTC s.
  • Shift Concerns
  • No 1-2 Shift/Harsh/Soft/Slipping
  • Intermediate clutch damaged or worn.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Forward clutch assembly damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low one-way clutch assembly damaged.
    REFER to: Low One-Way Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No 2-3 Shift/Harsh/Soft/Slipping
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch assembly damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Intermediate clutch damaged or worn.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • 2-3 Shift Hesitation After A Cold Soak
  • Verify Fluid level.
    REFER to: Transmission Fluid Level Check (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, General Procedures).
    If fluid level is okay, these hesitation events should be deemed a normal characteristic and do not cause any abnormal wear or durability concern. The hydraulic circuit can partially drain back during an extended engine off condition and could take a couple applications (2-3 shifts) to work any air out of the hydraulic circuit. No further work on the transmission should take place for that condition.
  • No 3-4 Shift/Harsh/Soft/Slipping
  • Overdrive clutch assembly damaged or worn.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch assembly damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No 4-5 Shift/Harsh/Soft/Slipping
  • Direct clutch damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Overdrive clutch damaged or worn.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch damaged or worn.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No 5-6 Shift/Harsh/Soft/Slipping
  • Intermediate clutch assembly damaged or worn.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Direct clutch assembly damaged or worn.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only gears R, 5, 6
  • Only Gears 1, 2, 3, 4 Available
  • Forward (1,2,3,4) clutch does not apply.
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Forward clutch assembly always applied..
    REFER to: Forward Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only Gears 1, 2, 4, 6 available
  • Only Gears R, 3, 5 Available
  • Direct (3,5,R) clutch does not apply
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Direct (3,5,R) clutch always applied.
    REFER to: Direct Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only Gears R,1,3,4,5 Available
  • Only Gears 2 and 6 Available
  • Intermediate clutch assembly does not apply.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Intermediate clutch assembly stuck on.
    REFER to: Intermediate Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Description and Operation).
  • Only Gears R,1,2,3 Available
  • Only Gears 4,5,6 Available
  • Overdrive clutch assembly does not apply.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Overdrive clutch assembly stuck on.
    REFER to: Overdrive Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Only Gears 1 and R Available
  • Low/Reverse clutch always applied.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low/reverse clutch stuck on.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Low one-way clutch assembly damaged.
    REFER to: Low One-Way Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • No Engine Braking in Low
  • Low/reverse clutch damaged or worn.
    REFER to: Low/Reverse Clutch Assembly (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Torque Converter Operation Concerns
  • No Apply
  • TCC damaged or worn.
    REFER to: Torque Converter Clutch (TCC) (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Always Applied (engine stalls)
  • TCC damaged or worn.
    REFER to: Torque Converter Clutch (TCC) (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Cycling/Shutter/Chatter
  • TCC damaged or worn.
    REFER to: Torque Converter Clutch (TCC) (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Other Concerns
  • Selector Lever High Effort
  • Selector lever cable routed wrong, binding or damaged.
    REFER to: Selector Lever Cable - 6-Speed Automatic Transmission – 6F35 (307-05 Automatic Transmission External Controls, Removal and Installation).
  • External Leaks
  • Damaged or worn seals.
    REFER to: Leakage Inspection (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).
  • Noise
  • Engine drive accessories, suspension, CV joints,
    REFER to: Noise, Vibration and Harshness (NVH) (100-04 Noise, Vibration and Harshness, Diagnosis and Testing).
  • Vibration
  • Engine drive accessories, suspension, CV joints, transmission fluid cooler tubes,
    REFER to: Noise, Vibration and Harshness (NVH) (100-04 Noise, Vibration and Harshness, Diagnosis and Testing).
  • No Park Range
  • Inspect the selector lever cable for correct adjustment.
    REFER to: Selector Lever Cable Adjustment - 6-Speed Automatic Transmission – 6F35 (307-05 Automatic Transmission External Controls, General Procedures).
  • INSPECT the manual control lever for damage, wear or correct installation.
    REFER to: Transmission (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
  • INSPECT the park pawl, park pawl actuator, and TR sensor for damage or wear.
    REFER to: Transmission (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
  • INSPECT the final drive differential and final drive chain for damage.
    REFER to: Transmission (307-01B Automatic Transmission - 6-Speed Automatic Transmission – 6F35, Overhaul).
  • Overheating
  • Transmission fluid cooling system damaged.
    REFER to: Transmission Cooling (307-02B Transmission Cooling - 6-Speed Automatic Transmission – 6F35, Diagnosis and Testing).

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    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation)...

    Diagnosis and Testing - Transmission Line Pressure Test

    Line Pressure Test NOTE: Perform the line pressure test prior to performing the stall speed test. If the line pressure is low at stall, do not perform the stall speed test or transmission damage will occur...

    Other information:

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    Categories

    Removal and Installation - Wheel Knuckle Bushing

    Special Tool(s) / General Equipment

    Hydraulic Press

    Removal

    NOTE: Removal steps in this procedure may contain installation details.

    Remove the wheel knuckle.
    Refer to: Wheel Knuckle - Vehicles With: Rear Drum Brakes (204-02B Rear Suspension - AWD, Removal and Installation).
    Remove the rear toe adjustment retainers and remove the wheel knuckle mounting bracket.
    Torque:
      Stage 1:  177 lb.in (20 Nm)
      Stage 2:  76 lb.ft (103 Nm)

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