Document ID: 2665093

Special Tools

EN-49248 - Injector Rail Assembly Remover

Equivalent regional tools: Special Tools

Removal Procedure

Note: High pressure fuel feed pipes are one time use only. ALWAYS install a NEW high pressure fuel feed pipe if the pipe is removed OR the fittings are loosened.

Relieve the fuel system pressure. Fuel Pressure Relief
Remove the fuel pipe shield. Fuel Pipe Shield Replacement
Remove the intake manifold. Intake Manifold Replacement
Remove and DISCARD the fuel feed intermediate pipe. Fuel Feed Intermediate Pipe Replacement
Remove the upper fuel injection fuel rail noise shield.
Disconnect the engine wiring harness from the fuel injector wiring harnesses as necessary.
Remove the fuel injector wiring harnesses from any brackets as necessary.
Remove the bank 1 fuel injection fuel rail fasteners (1).

Click for full-size image
Remove the bank 2 fuel injection fuel rail fasteners (1) for clearance purposes.

Click for full-size image
Use the EN-49248–4 - hooks to slowly work the fuel injection fuel rail (1) upwards in small, even increments.

Click for full-size image
Once the fuel injection fuel rail (1) is free, remove the EN-49248 - remover components.
Slide the fuel injection fuel rail (1) toward the rear of the engine approximately 25 mm (1 in) and remove it from the vehicle.

Click for full-size image

Note: Whenever ANY fuel injector is removed from the cylinder head or the fuel injection fuel rail, the fuel injector MUST be rebuilt.

Once the fuel injection fuel rail is removed, clean and inspect the fuel injectors. Fuel Rail and Injectors Cleaning and Inspection

Installation Procedure

Starting approximately 25 mm (1 in) at the rear of the engine, lower the fuel injection fuel rail (1) and slide it forward to align the fuel injectors with the cylinder head bores.

Click for full-size image
Start and hand tighten the two outer fuel injection fuel rail fasteners to seat the fuel injectors.

Click for full-size image
Start and hand tighten the remaining fuel injection fuel rail fasteners.

Caution: Refer to Fastener Caution.

In the sequence shown in the graphic, tighten the fuel injection fuel rail fasteners to:

First Pass: 12 Nm (106 lb in)
Final Pass: 23 Nm (17 lb ft)

Install the fuel injector wiring harnesses to any brackets as necessary.
Connect the engine wiring harness to the fuel injector wiring harnesses as necessary.
Install a NEW fuel feed intermediate pipe. Fuel Feed Intermediate Pipe Replacement
Inspect for 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 upper fuel injection fuel rail noise shield.
Install the intake manifold. Intake Manifold Replacement
Install the fuel pipe shield. Fuel Pipe Shield Replacement

Document ID: 2665091