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Home >> Chevrolet >> 2012 >> Sonic LS, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 1.8L - Repair Instructions >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Fuel Injector Retainer
    GM2506161Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install new fuel injector seals, coat the multiport fuel injector seals with silicone grease.

  1. Install the fuel injector retainer (1).
    2. NOTE:

    Coat the fuel injector seals with silicone grease

  2. Install the 4 new fuel injector seals.
    3. Fig 2: Multiport Fuel Injection Fuel Rail, Injectors & Bolts
    GM2506162Courtesy of GENERAL MOTORS COMPANY
  3. Install the multiport fuel injection fuel rail (2) and the fuel injectors (3) to the intake manifold.
    4. CAUTION:

    Refer to Fastener Caution .

  4. Install the 2 multiport fuel injection fuel rail bolts (1) and tighten to 8 N.m (71 lb in).
    5. Fig 3: Fuel Feed Pipe & Evaporative Emission Canister Purge Solenoid Valve Bracket
    GM2676363Courtesy of GENERAL MOTORS COMPANY
  5. Install the 2 evaporative emission canister purge solenoid valve bracket bolts (2) and tighten to 8 N.m (71 lb in).
  6. Remove the CH-807  plug.
  7. Connect the quick-release fitting of fuel feed pipe (1).
  8. Connect the wiring harness to the:
    1. Evaporative emission purge valve
    2. Fuel injectors
    3. Manifold absolute pressure sensor
  9. Install the positive crankcase ventilation tube. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  10. Connect the negative cable from the battery. Refer to Battery Negative Cable Disconnection and Connection .
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