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Home >> Chevrolet >> 2011 >> Corvette ZR-1 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 6.2L Or 7.0L - Repair Instructions - Off Vehicle (4 Of 5) >> Fuel Rail and Injectors Installation (6.2L LS3)

Fuel Rail and Injectors Installation (6.2L LS3)

    Fig 1: Fuel Injectors & Retainers
    GM1552482Courtesy of GENERAL MOTORS CORP.
    WARNING: Refer to Fuel Rail Stop Bracket Installation Warning .
    NOTE: 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 and 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: Fuel Rail, Bolts, Ground Strap & Injectors
    GM1876001Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel rail assembly (510) to the manifold. Push firmly on both sides of the rail until all injectors have entered their bores.
  5. 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 Adhesives, Fluids, Lubricants, and Sealers .
    6. CAUTION: Refer to Fastener Caution .
  6. Install the fuel rail bolts (511 and 512) and fuel rail ground strap (557). Tighten the fuel rail bolts to 10 N.m (89 lb in).
    7. Fig 3: Fuel Rail Ground Strap
    GM1876000Courtesy of GENERAL MOTORS CORP.
  7. Inspect the fuel rail ground strap (557) for proper installation.
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