Ford Ecosport Owners and Service Manuals

Ford Ecosport: Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Diagnosis and Testing - Leakage Inspection

Leak Check Test

  1. With the vehicle in NEUTRAL, position the vehicle on a hoist.
    REFER to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
  1. Inspect the gasket and sealing areas for evidence of leakage.
  1. Trace the transmission fluid leak to the highest point.
  1. Clean area of suspected leak.
  1. Lower vehicle.
  1. Remove the transmission fluid fill plug.
  1. Add leak detection dye to the transmission fluid. Use 1 fl oz (30 ml) of dye solution for every 4 qt (3.8 L) of transmission fluid.
  1. Road test the vehicle for at least 1 mile with at least 1 application of the TCC .
  1. With the vehicle in NEUTRAL, position the vehicle on a hoist.
    REFER to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
  1. If the source of the leak is obvious, repair as required.
  1. After the repair, clean the affected area.

Leakage From Torque Converter Housing

Add leak detection dye 1  fl oz ( 30  ml) of dye solution for every 4  qt ( 3.8  L) of transmission fluid.

  1. Leaks from the torque converter housing can originate from several locations. The paths which the transmission fluid takes to reach the bottom of the torque converter housing is shown in the illustration. The 5 following steps correspond with the numbers in the illustration.
    1. Transmission fluid leaking by the converter hub seal lip will tend to move along the drive hub and onto the back of the torque converter. Except in the case of a total seal failure, transmission fluid leakage by the lip of the seal will be deposited on the inside of the torque converter housing only, near the outside diameter of the housing.
    1. Transmission fluid leakage by the outside diameter of the torque converter impeller hub seal and the case will follow the same path that leaks by the inside diameter of the converter hub seal follow.
    1. Transmission fluid leakage from the converter cover weld or the converter-to-flexplate stud weld will appear at outside diameter of torque converter on the back face of the flexplate and in the converter housing only near the flexplate. If a converter-to-flexplate lug, lug weld or converter cover weld leak is suspected, remove the converter and pressure check.
    1. Transmission fluid leakage from the bolts inside the converter housing will flow down the back of the torque converter housing. Leakage may be from loose or missing bolts.
    1. Engine oil leaks from the rear main oil.
  1. Remove the torque converter.
  1. Using a black light, observe the torque converter housing. Inspect for evidence of dye from the pump bolts, pump seal, and torque converter hub seal. Repair as required.
  1. If the source of the leak is not evident, continue with this procedure to leak test the torque converter.
  1. Place the torque converter in an arbor press. Support the torque converter on the mounting pads.
  1. Install the torque converter leak tester (307-421) into the torque converter hub.
  1. Secure the press. Apply enough force from the press to seal the torque converter leak tester (307-421) into the torque converter hub.
  1. Connect a compressed air supply to the torque converter leak tester (307-421).
  1. Inspect for leaks at the torque converter hub weld and seams with air pressure applied to the valve. A soap bubble solution can be applied around those areas to aid in the diagnosis. If any leaks are present, install a new torque converter.
  1. Inspect for leaks at the stud or mounting pad and balance weight welds. A soap bubble solution can be applied around those areas to aid in the diagnosis. If any leaks are present, install a new torque converter.
  1. After leaks are repaired, clean the remaining transmission fluid dye from serviced areas.

TCC Hydraulic Circuit Leak Paths

    1. Inspect the aluminum pump housing near the TCC control valve for scoring or blockage.
    1. Using a straight edge, inspect the aluminum pump housing near the TCC control valve for evidence of any surface warping possibly causing internal pressure leaks. Inspect the hydraulic passages for blockage.
    1. Inspect the stator support hydraulic passage for scoring or blockage.
    1. Inspect the stator support cup plug and verify that it is installed correctly and not loose or missing.
    1. Using a straight edge, inspect the stator support hydraulic passage for evidence of any surface warping possibly causing internal pressure leaks. Inspect the hydraulic passages for blockage.
    1. Inspect the pump to transmission case hydraulic passages and seals.
    1. Inspect the transmission case to main control hydraulic passages.
    1. Inspect the main control hydraulic passages.
    1. Inspect the turbine shaft oil seal on the stator support for wear or damage that would cause leaks.
    1. Inspect the turbine shaft support bushing for wear or scoring that might cause pressure leaks.
  1. Inspect the turbine shaft seal and shaft support bushing sealing surfaces on the turbine shaft for wear or scoring that might cause pressure leaks.

    Diagnosis and Testing - Road Testing Vehicle

    Shift Point Road Test NOTE: Always drive the vehicle in a safe manner according to driving conditions and obey all traffic laws. Most performance based automatic transmission DTC s require the fault to be detected multiple times before setting a DTC ...

    Diagnosis and Testing - Parameter Identification (PID) Chart

      Diagnostic PID Chart PID Acronym PID Name Description APP1 APP sensor 1   APP AST Time Since Start Time (in seconds) since the vehicle was started CLRDIST Distance since DTC cleared Distance driven since PCM Diagnostic Trouble Cod..

    Other information:

    Ford Ecosport 2014-2024 Service and Repair Manual: Description and Operation - Exterior Lighting - System Operation and Component Description


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    Ford Ecosport 2014-2024 Service and Repair Manual: Removal and Installation - Main Control Cover


    Removal With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation). Remove the fan motor and shroud. Refer to: Cooling Fan Motor and Shroud (303-03C Engine Cooling - 2.0L Duratec-HE (129kW/175PS), Removal and Installation). Remove the air cl..

    Categories

    Removal and Installation - Oil Pressure Switch

    Materials

    Name Specification Motorcraft® Thread Sealant with PTFE
    TA-24-B WSK-M2G350-A2
     

    Removal

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

    With the vehicle in NEUTRAL, position it on a hoist.
    Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
    If equipped, remove the bolts and the underbody shield.

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