Chevrolet Equinox manuals

Chevrolet Equinox Service Manual: Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Chevrolet Equinox Service Manual / Powertrain / Internal Combustion Powertrain Control / Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Special Tools

EN-49248 Injector Rail Assembly Remover

For equivalent regional tools, refer toSpecial Tools.

Removal ProcedureRelieve the fuel system pressure. Refer toFuel Pressure Relief.Remove the fuel pipe shield. Refer toFuel Pipe Shield Replacement.Remove the intake manifold. Refer toIntake Manifold Replacement.Remove the fuel feed intermediate pipe. Refer toFuel Feed Intermediate Pipe Replacement.Remove the foam insulator from the fuel rails.

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Cut the plastic tie strap-(1).Disconnect the fuel pressure sensor electrical connector-(2).Remove the fuel pressure sensor-(3).

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Remove the bank 2 fuel rail fasteners-(1).

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

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Remove the bank 1 fuel rail fasteners-(1)-for clearance purposes.

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Using the EN-49248–4 hook, raise the fuel rail-(1)-as an assembly.Once the fuel rail is free, remove the EN-49248 special tool.

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Slide the fuel rail-(1)-toward the front of the engine approximately 1-inch (25.4-mm),in order to clear the center injector bore.

Note:The direct fuel injectors must be rebuilt whenever the injector has been releasedfrom the fuel rail or cylinder head.

Once the fuel rail is removed, remove the fuel injectors and rebuild them. Refer toFuel Rail and Injectors Cleaning and Inspection.Installation Procedure

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

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Slide the fuel rail-(1)-toward the rear of the engine approximately 1-inch (25.4-mm),in order to align the center injector bore.

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Caution:Refer toFastener Caution.

Hand tighten the two outer fuel rail fasteners to seat the injectors.Start and hand tighten the remaining fuel rail fasteners.Tighten the fuel rail fasteners in the sequence shown above to 25-Y (18-lb-ft).

Fuel Injection Fuel Rail Assembly Replacement - Bank 1 Engine Control

Caution:Refer toComponent Fastener Tightening Caution.

Tighten the fuel pressure sensor-(3)-to 33-Y (25-lb-ft).Connect the fuel pressure sensor electrical connector-(2)-and secure it with a newplastic zip tie.Install the fuel feed intermediate pipe. Refer toFuel Feed Intermediate Pipe Replacement.Inspect for fuel leaks using the following procedure:Turn ON the ignition, with the engine OFF for 2-seconds.Turn OFF the ignition, for 10-seconds.Turn ON the ignition, with the engine OFF.Inspect for fuel leaks.Install the foam insulator to the fuel rails.Install the intake manifold. Refer toIntake Manifold Replacement.Install the fuel pipe shield. Refer toFuel Pipe Shield Replacement.Install the low side fuel pressure service port cap.Install the fuel tank cap.
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