Ford Ecosport Owners and Service Manuals

Ford Ecosport: Automatic Transmission - 6-Speed Automatic Transmission – 6F35 / Diagnosis and Testing - Transmission Air Pressure Test

Transmission Air Pressure Test

Item Description
1 Foward clutch
2 Direct clutch
3 Intermediate clutch
4 Low reverse clutch
5 Overdrive clutch

NOTE: The center support contains an air bleed for the forward and Low reverse clutch circuits. Some leakage during the air test can be normal.

NOTE: The Intermediate clutch pressure chamber contains an air bleed for the Intermediate clutch circuit. Some leakage during the air test can be normal.

A hydraulic clutch concern can be located through a series of checks by substituting air pressure for fluid pressure to determine the location of the concern.

  1. Install the forward clutch and low/reverse clutch main control-to-transmission case seals.
  1. Using a rubber tipped blow gun, apply 40 PSI (276 kpa) to the suspect clutch port for 2-3 seconds.
    • A dull thud indicates the clutch piston applied.
    • A hissing noise may indicate a leak in the hydraulic passages. Hydraulic circuits that use scarf cut seals and/or air bleeds will have some normal leakage.
  1. While holding the blow gun nozzle firmly against the port in the transmission case, release the trigger.
  1. Wait 1-2 seconds.
    • A hissing noise may indicate a leak in the hydraulic passages. Hydraulic circuits that use scarf cut seals and/or air bleeds will have some normal leakage.
  1. Remove the blow gun from the port.
    • A sudden release of air pressure indicates the hydraulic passages are capable of holding pressure.
    • No noise may indicate a leak in the hydraulic passages. Hydraulic circuits that use scarf cut seals and/or air bleeds will have some normal leakage.

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    Categories

    Removal and Installation - Variable Camshaft Timing (VCT) Unit

    Removal

    NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

    Remove the timing chain.
    Refer to: Timing Chain (303-01C Engine - 2.0L Duratec-HE (129kW/175PS), Removal and Installation).
    Remove the bolts and VCT units.
    Discard the bolts.

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