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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1080 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, Or 7.0L (5 Of 5)) >> Off-Vehicle Repair Information (3 Of 3) >> Fuel Rail and Injectors Installation

Fuel Rail and Injectors Installation

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Fuel Rail & Injectors
    GM1401978Courtesy 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: Fuel Rail
    GM1401976Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel rail assembly (510) to the manifold. Push firmly on both sides of the rail until all the 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 Sealers, Adhesives, and Lubricants .
    6. NOTE: Refer to Fastener Notice .
  6. Install the fuel rail bolts (511).

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

    7. Fig 3: EVAP Purge Valve & Tubes
    GM1401970Courtesy of GENERAL MOTORS CORP.
  7. Install the evaporative emission (EVAP) canister purge solenoid valve (730) and tubes (729, 735).
    8. Fig 4: View Of Fuel Rail Stop Bracket & Bolt
    GM260098Courtesy of GENERAL MOTORS CORP.
  8. Install the fuel rail stop bracket and bolt.

    Tighten:  Tighten the fuel rail stop bracket bolt to 50 N.m (37 lb ft).

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