Ford Galaxy / Ford S-MAX. Manual — part 192

The interior mechanism of the timing belt tensioner comprises a spring and a friction
element. The friction element serves to absorb small vibrations and fluctuations in engine
speed. The spring ensures the correct timing belt tension, regardless of wear and
temperature.

The tension of the timing belt should be set when the engine is cold.

NOTE: If the engine temperature is higher or lower, remember that a different position is
specified for the timing belt tensioner (see illustration).

The timing belt should be fitted starting from the crankshaft over the idler pulley, the intake
and exhaust camshaft pulleys, the coolant pump and finally on the timing belt tensioner.

Once the timing belt has been correctly tensioned, the engine must be rotated by hand two
turns clockwise at the crankshaft in order to allow a subsequent check of the timing belt
tension and adjustment.

No direction of movement is specified when using a new timing belt. If, however, the old
timing belt is reused, the direction of movement must be marked prior to removal.

Engine - 2.5L Duratec (162kW/220PS) -
VI5 - Engine

S-MAX/Galaxy 2006.5 (02/2006-)

Print

Diagnosis and Testing

General Equipment

Materials

Specification

WSK-M2G349-A7

Measure the compression pressure

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: Valve clearance must be set correctly before performing a compression test. Run
the engine to normal operating temperature.
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. 1. Remove the central junction box (CJB) cover.

2. 2. Open the CJB and remove fuse 22.

3.

NOTE: The engine will start, run for a few seconds and then stop.

3. Start the engine.

4. 4. Disconnect the ignition coil-on-plug.

REFER to: Zündspule - Direktzündung (303-07C, Removal and Installation).

Worldwide Diagnostic System (WDS).

Name

Adhesive - Loctite 243

5. 5. Remove the spark plugs.

NOTE: Operate the starter motor with wide open throttle until the reading on the
compression tester stops rising.

6. 6. 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.

7. 7. Install the spark plugs.

8. 8. Install the ignition coil-on-plug.

REFER to: Zündspule - Direktzündung (303-07C, Removal and Installation).

9. 9. Install fuse 22 and close the CJB.

10. 10. Install the CJB cover.

11. 11. Using

worldwide diagnostic system (WDS)

, clear the fault codes from the

powertrain control module (PCM).

Measuring the oil pressure

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: Measure the oil pressure at the specified engine speed.

1. 1. Raise vehicle. REFER to: (100-02 Fahrzeug anheben)

Anheben mit Wagenheber (Description and Operation),
Anheben mit Hebebühne (Description and Operation).

2. 2. Remove the engine under shield.

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