Fuel Rail & Injectors (PFI): Installation

To install, reverse removal procedure. Coat NEW "O" rings with clean engine oil. Install "O" rings on injectors. Position fuel rail on intake manifold. Push down on rail to seat injectors in manifold. Tighten fuel rail bolts to specification. See TORQUE SPECIFICATIONS .

Fig 1: Locating Fuel Rail Assy. Components (1.9L)

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Fig 2: Locating Fuel Rail Assy. Components (2.0L)

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Fig 3: Locating Fuel Rail Assy. Components (3.3L)

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Fig 4: Locating Fuel Rail Assy. Components (3.4L VIN S)

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Fig 5: Locating Fuel Rail Assy. Components (3.8L)

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To install reverse removal procedure. Lubricate injector "O" rings with clean engine oil. Install injector-to-fuel rail retaining clip, with open end facing injector electrical connection. Tighten fuel rail retaining bolts.

Fig 1: Locating Fuel Rail Assy. Components (2.3L)

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To install, reverse removal procedure. Coat new "O" rings with clean engine oil. Install "O" rings on injectors. Tighten bolts to specification. See TORQUE SPECIFICATIONS .

Fig 1: Locating Fuel Rail Assy. Components (3.1L)

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Fig 2: Locating Fuel Rail Assy. Components (3.4L VIN X)

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To install, reverse removal procedure. Coat new "O" rings with clean engine oil. Install "O" rings on injectors. Tighten bolts to specification. See TORQUE SPECIFICATIONS .

Fig 1: Locating Fuel Rail Assy. Components (4.9L)

Courtesy of GENERAL MOTORS CORP.

To install, reverse removal procedure. Coat new "O" rings with clean engine oil. Install "O" rings on injectors. Tighten bolts to specification. See TORQUE SPECIFICATIONS .

Fig 1: Locating Fuel Rail Assy. Components (5.7L VIN P)

Courtesy of GENERAL MOTORS CORP.