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General Procedures > < 303-01C Engine - 2.5L Duratec (VI5)|Engine

S-MAX.Galaxy 2006.5 (03.2006-)

Engine - 2.5L Duratec (VI5) - Engine S-MAX/Galaxy 2006.5 (03/2006-)
Diagnosis and Testing

General Equipment
Worldwide Diagnostic System (WDS).
Materials
Name
Specification
Adhesive - Loctite 243
WSK-M2G349-A7 

Measure the compression pressure

NOTE:
NOTE:The powertrain control module (PCM) receives an error message when the fuel pump relay is removed or electrical components are disconnected. This error message must be deleted from the fault memory using worldwide diagnostic system (WDS) after completing the compression test.
NOTE:
NOTE:Valve clearance must be set correctly before performing a compression test. Run the engine to normal operating temperature.
NOTE:
NOTE:The varying design of compression checking devices and fluctuating starter motor speeds normally only allows for a comparison to be made of the compression pressures in all cylinders.

  1. Remove the central junction box (CJB) cover.

  1. Open the CJB and remove fuse 22.
  1. NOTE:
    NOTE:The engine will start, run for a few seconds and then stop.
    Start the engine.
  1. Disconnect the ignition coil-on-plug.
    REFER to: Zündspule - Direktzündung (303-07C, Removal and Installation).

  1. Remove the spark plugs.

NOTE:
NOTE:Operate the starter motor with wide open throttle until the reading on the compression tester stops rising.
  1. Perform the measurement on each cylinder according to the instructions provided by the manufacturer of the measuring device. Use a compression pressure recorder with a suitable adapter.

  1. Install the spark plugs.
  1. Install the ignition coil-on-plug.
    REFER to: Zündspule - Direktzündung (303-07C, Removal and Installation).

  1. Install fuse 22 and close the CJB.

  1. Install the CJB cover.
  1. Using worldwide diagnostic system (WDS), clear the fault codes from the powertrain control module (PCM).

Measuring the oil pressure

NOTE:
NOTE:The oil pressure is defined by several factors. Among others, this includes the engine speed, oil temperature, oil viscosity and the degree of filter contamination.
NOTE:
NOTE:Measure the oil pressure at the specified engine speed.
  1. Raise vehicle. REFER to: (100-02 Fahrzeug anheben)
    Anheben mit Wagenheber (Description and Operation),
    Anheben mit Hebebühne (Description and Operation).

  1. Remove the engine under shield.

  1. Disconnect the oil pressure switch electrical connector from the oil pressure switch.

  1. Remove the oil pressure switch.

  1. Attach the oil pressure gauge with the oil pressure gauge connector to the oil pressure switch bore, and position it to allow reading from above.
  1. Lower the vehicle.

  1. NOTE:
    NOTE:Measure the oil pressure at an oil temperature of 100° C.
    NOTE:
    NOTE:Measure the oil pressure at idle speed and at 4000 rpm.
    NOTE:
    NOTE:Minimum oil pressure at idle speed: 1.0 bar.
    NOTE:
    NOTE:Minimum oil pressure at 4000 rpm: 3.5 bar.
    NOTE:
    NOTE:Maximum oil pressure: 4.8 bar.
    Check the oil pressure
  1. Raise vehicle. REFER to: (100-02 Fahrzeug anheben)
    Anheben mit Wagenheber (Description and Operation),
    Anheben mit Hebebühne (Description and Operation).

  1. Detach the oil pressure gauge and connector from the oil pressure switch bore.
  1. Coat the oil pressure switch with adhesive.

  1. Install the oil pressure switch.

  1. Push on the oil pressure switch connector.

  1. Install the engine under shield.
  1. Lower the vehicle.

General Procedures > < 303-01C Engine - 2.5L Duratec (VI5)|Engine