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Home >> Oldsmobile >> 2001 >> Intrigue GL >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Removal & Installation, Overhaul >> Fuel Systems >> Fuel Rail & Injectors >> Installation

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 to specification. 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 fuel rail to seat injectors into manifold. Tighten fuel rail retaining bolts to specification. 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. 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.



  1. Install NEW "O" rings lubricated with clean engine oil onto each injector. Install injectors onto fuel rail. With injectors pointing downward, lower fuel line end of fuel rail into cylinder head ports. Rotate injectors into horizontal position and align injectors with cylinder head ports.
  2. Carefully push fuel injectors into cylinder head ports, ensuring they fully seat into cylinder head. Install fuel rail mounting bolts and tighten to specification. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure using NEW fuel supply line plastic retainers.


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 into manifold housing. 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. To complete installation, reverse removal procedure.



WARNING: To reduce the risk of fire and personal injury, ensure fuel injector "O" rings are installed properly. If "O" rings are color coded, ensure Black "O" ring is positioned on upper portion of injector, and Brown "O" ring is positioned on lower portion of injector. The "O" rings are identical in size, but are made of different materials.

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 fuel rail assembly and bracket bolts to specification. 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 onto 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 (1.8L)
G00056050Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Fuel Rail Assembly Components (1.9L - VIN 7 Shown; VIN 8 Is Similar)
G98H01084Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating Fuel Rail Assembly Components (2.2L - VIN F)
G00012669Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating Fuel Rail Assembly Components (2.2L - VIN 4)
G98A01085Courtesy of GENERAL MOTORS CORP.
Fig 5: Locating Fuel Rail Assembly Components (2.4L - VIN T)
G95F13446Courtesy of GENERAL MOTORS CORP.
Fig 6: Locating Fuel Rail Assembly Components (3.0L - VIN R)
G98C01086Courtesy of GENERAL MOTORS CORP.
Fig 7: Locating Fuel Rail Assembly Components (3.1L - VIN M & 3.4L - VIN E)
G95G13447Courtesy of GENERAL MOTORS CORP.
Fig 8: Locating Fuel Rail Assembly Components (3.5L - VIN H)
G99H08047Courtesy of GENERAL MOTORS CORP.
Fig 9: Locating Fuel Rail Assembly Components (3.8L - VIN K)
G95J35005Courtesy of GENERAL MOTORS CORP.
Fig 10: Locating Fuel Rail Assembly Components (3.8L - VIN 1)
G95I35004Courtesy of GENERAL MOTORS CORP.
Fig 11: Locating Fuel Rail Assembly Components (4.0L - VIN C & 4.6L - VIN Y & 9)
G00012670Courtesy of GENERAL MOTORS CORP.
Fig 12: Locating Fuel Rail Assembly Components (5.7L)
G98E01087Courtesy of GENERAL MOTORS CORP.
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