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Home >> Chevrolet >> 2015 >> Sonic RS, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 1.4L (LUV) - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Removal Procedure
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Removal Procedure

  1. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove engine cover. Refer to Engine Cover Replacement .
  3. Remove the fuel feed pipe from fuel injection fuel rail. Refer to Fuel Feed Pipe Replacement .
  4. Remove the positive crankcase ventilation pipe from the intake manifold. Refer to Positive Crankcase Ventilation Pipe Removal .
  5. Disconnect the 4 fuel injector wiring harness plugs (2).
    Fig 1: Fuel Injector Wiring Harness Plugs
    GM2373064Courtesy of GENERAL MOTORS COMPANY
  6. Unclip the ECM wiring harness from retainer clips (1) and the camshaft cover.
  7. Remove the ground cable nut (2) and the ground cable.
    Fig 2: Fuel Injection Fuel Rail Bolts And Ground Cable Nut
    GM2373065Courtesy of GENERAL MOTORS COMPANY
  8. Remove the 2 fuel injection fuel rail bolts (1).
  9. Remove the fuel injection fuel rail assembly (1) and the 4 fuel injector seal rings (2).
    Fig 3: Fuel Injection Fuel Rail Assembly
    GM2191817Courtesy of GENERAL MOTORS COMPANY
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