LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2008 >> Astra XE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - Introduction (2 Of 2) >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

    IMPORTANT: Inspect the installation position and ensure correct fitting.
  1. Install the 4 injectors to the fuel rail.
    • Install the 4 new seal rings.
    • Coat the seal ring with silicone grease (white).
    • Install the 4 injection valves.
    • Install the 4 retaining clamps.
  2. NOTE: Refer to Fastener Notice .
  3. Install the fuel rail.

    Tighten:  Tighten the 2 bolts to 8 N.m (71 lb in).

  4. Install the fuel supply line to the fuel rail.
    • Remove the 2 KM-807  . See Special Tools .
    • Connect the quick release fitting.
    • Connect into the bracket.
  5. Install the engine management wiring harness.
    • Connect the 9 wiring harness plugs.
      • Engine control unit
      • Air mass flow meter
      • Tank vent valve
      • Throttle valve module
      • Intake camshaft actuator
      • Four injectors
    • Install the 2 wiring harness brackets.
  6. Install the engine vent hose.
    • Connect the 2 quick-release fittings.
    • Connect the wiring harness to the cylinder head.
  7. Connect the battery.

    Install the ground connection to the negative terminal.

    Tighten:  Tighten the ground connection nut to 5 N.m (44 lb in).

  8. For programming procedures, refer to Control Module References .
  9. Close the hood.