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Charge Air Bypass Regulator Solenoid Valve Replacement > < Engine Oil Pressure Indicator Switch Replacement - 1.4L LUH and LUJ

Astra J

Fuel Injection Fuel Rail Assembly Replacement (LUH,LUJ w. El. Fuel Returnless Syst.)

Removal Procedure

1. Open the hood.
2. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
3. Remove engine sight shield.
4. Remove the fuel feed pipe from fuel injection fuel rail. Refer to Fuel Feed Pipe Replacement .
5. Remove the positive crankcase ventilation pipe from the intake manifold. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .

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6. Disconnect the 4 fuel injector wiring harness plugs (2).
7. Unclip the ECM wiring harness from retainer clips (1) and the camshaft cover.

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8. Remove the ground cable nut (2) and the ground cable.
9. Remove the 2 fuel injection fuel rail bolts (1).

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10. Remove the fuel injection fuel rail assembly (1) and the 4 fuel injector seal rings (2).

Installation Procedure


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Note:  Lubricate the 4 fuel injector seal rings (2) with clean engine oil.
1. Install the fuel injection fuel rail assembly (1) to the intake manifold. Use NEW fuel injector seal rings (2).

Caution: Refer to Fastener Caution .

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2. Install the 2 fuel injection fuel rail bolts (1) and tighten to 7 N·m (62 lb in) .
3. Install the ground cable and the ground cable nut (2) and tighten.

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4. Connect the 4 fuel injector wiring harness plugs (2).
5. Clip the ECM wiring harness to the retainer clip (1) and the camshaft cover.
6. Install the positive crankcase ventilation pipe to the intake manifold. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
7. Install the fuel feed pipe to the fuel injection fuel rail. Refer to Fuel Feed Pipe Replacement .
8. Install the engine sight shield.
9. Connect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
10. Close the hood.

Charge Air Bypass Regulator Solenoid Valve Replacement > < Engine Oil Pressure Indicator Switch Replacement - 1.4L LUH and LUJ