Fuel Rail & Injectors: Installation

To install, reverse removal procedure. Coat NEW injector "O" rings with clean engine oil. Ensure injectors rotate smoothly and freely. If "O" ring is installed incorrectly, injector will bind. Tighten fuel rail retaining bolts. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.

To install, reverse removal procedure. Coat NEW injector "O" rings with clean engine oil. Ensure injectors rotate smoothly and freely. If "O" ring is installed incorrectly, injector will bind. Tighten fuel rail retaining bolts. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.

To install, reverse removal procedure. Coat NEW injector "O" rings with clean engine oil. Install injector-to-fuel rail retaining clip with open end facing injector harness connection. Position fuel rail on intake manifold. Push down on rail to seat injectors in manifold. Tighten fuel rail retaining bolts. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.

To install, reverse removal procedure. Coat NEW injector "O" rings with clean engine oil. Position injectors into fuel rail and install retaining clips. Tighten fuel rail retaining bolts. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.

To install, reverse removal procedure. Lubricate NEW injector "O" rings with clean engine oil. Position injectors into fuel rail and install retaining clips. Install NEW injector-to-fuel rail retaining clip with open end facing injector harness connection. Tighten fuel rail retaining bolts. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.

To install, reverse removal procedure. Lubricate NEW injector "O" rings with clean engine oil. Position injectors into fuel rail and install retaining clips. Position fuel rail into intake manifold housing. Push down on rail to seat injectors in manifold housing. To complete installation, reverse removal procedure.

To install, reverse removal procedure. Lubricate NEW injector "O" rings with clean engine oil. Position fuel rail into intake manifold housing. Push down on rail to seat injectors in manifold housing. Tighten intake manifold cover bolts. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.

To install, reverse removal procedure. Lubricate NEW injector "O" rings with clean engine oil. Install injector-to-fuel rail retaining clip on right side of injector harness connection. Position fuel rail on intake manifold. Push down on rail to seat injectors in manifold. Tighten fuel rail retaining bolts. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.

Fig 1: Locating Fuel Rail Assembly Components (1.9L - VIN 7 Shown; VIN 8 Is Similar)

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Fig 2: Locating Fuel Rail Assembly Components (2.2L - VIN 4)

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Fig 3: Locating Fuel Rail Assembly Components (2.4L - VIN T)

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Fig 4: Locating Fuel Rail Assembly Components (3.0L - VIN R)

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Fig 5: Locating Fuel Rail Assembly Components (3.1L - VIN M & 3.4L - VIN E)

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Fig 6: Locating Fuel Rail Assembly Components (3.5L - VIN H)

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Fig 7: Locating Fuel Rail Assembly Components (3.8L - VIN K)

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Fig 8: Locating Fuel Rail Assembly Components (3.8L - VIN 1)

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Fig 9: Locating Fuel Rail Assembly Components (4.0L - VIN C Shown; 4.6L - VIN Y & 4.6L - VIN 9 Are Similar)

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Fig 10: Locating Fuel Rail Assembly Components (5.7L - VIN G)

Courtesy of GENERAL MOTORS CORP.