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Fuel Rail and Injectors Installation

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Fuel Rail With Injectors
    GM1411907Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fuel Rail Stop Bracket Installation Caution .
    IMPORTANT: DO NOT use the fuel injector O-ring seals again. Install NEW fuel injector O-ring seals during assembly.
  1. Lubricate the NEW fuel injector O-ring seals (532, 534) with clean engine oil.
  2. Install the O-ring seals to the fuel injectors.
  3. Install the fuel injectors (533) and retainers (521).
    4. Fig 2: View Of Fuel Rail Ground Strap
    GM1411903Courtesy of GENERAL MOTORS CORP.
  4. Note the installed location of the fuel rail ground strap (557).
    5. Fig 3: View Of Fuel Rail Bolts & Ground Strap
    GM1807822Courtesy of GENERAL MOTORS CORP.
  5. Install the fuel rail assembly (510) to the manifold. Push firmly on both sides of the rail until all injectors have entered their bores.
  6. Apply a 5 mm (0.2 in) band of threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the fuel rail bolts. Refer to Sealers, Adhesives, and Lubricants .
    7. NOTE: Refer to Fastener Notice .
  7. Install the fuel rail bolts (511) and ground strap (557).

    Tighten:  Tighten the fuel rail bolts to 10 N.m (89 lb in).

    8. Fig 4: View Of EVAP Purge Solenoid Valve
    GM1411900Courtesy of GENERAL MOTORS CORP.
  8. Install the evaporative emission (EVAP) canister purge solenoid valve (730), bracket (741), and tube (729).
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