Vauxhall Workshop Service and Repair Manuals

Check engine pressure loss

Warning:   When working on the Common Rail system, wait for one minute after switching off the engine. The system reduces the pressure automatically.

Important:   When working on the fuel system, cleanliness is vital as even very small particles of dirt can lead to faults in engine operation or in the fuel system. Seal open fuel connections with suitable sealing plugs 1) . Sealing plugs must only be used once.

  Remove

1.   Remove air cleaner housing (4) with air intake hose •   Disconnect mass air flow sensor wiring harness (2) •   Unclip 2x vacuum line (5) •   Detach air intake hose from air intake pipe – Release clamp (3) •   Detach air cleaner housing from wheel housing – Unscrew bolt (1) •   Detach water drain hose (6) from air cleaner housing – Release clamp

  Inspect

3.   Clean 4x injector seat with EN-47632 •   Loosen dirt with the brush side (1) •   Remove dirt with the sponge side (2)

4.   Unscrew timing case closure bolt (1)

5.   Remove camshaft sensor •   Disconnect wiring harness connector. •   Unscrew bolt (1)

6.   Set engine to cylinder 1, TDC of combustion stroke Note:   Use a second person •   Turn crankshaft in direction of engine rotation to bolt of flange on torsional vibration damper until the rear edge of the elevation for the camshaft sensor is aligned with the front edge of the installation aperture for the camshaft sensor (1)

7.   Apply guidance marks •   Make a marking on the timing case and 4x on the bolt of the camshaft drive gear as an aid (2)

14.   Install EN-46782 in cylinder 1 •   Install EN-46783 (2) in cylinder 1 – Tighten nut 20 Nm Note:   Adapter EN-46782 can only be installed in pairs in conjunction with the injector (cylinder 1 and 2 or cylinder 3 and 4) •   Install EN-46782 with new gasket

15.   Attach pressure loss tester (2) to EN-46782 (1)

  Install