Tools Required

J 29873 Nozzle Socket

Important: Use the J 29873 nozzle socket in order to remove the injection nozzle. Use the 30 mm hex portion. Failure to do so will result in damage to the injection nozzle.

1. Disconnect the negative battery cable(s). Refer to

   Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

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2. Remove the engine cover if necessary. Refer to Engine Cover removal in Interior Trim.
3. Remove the fuel line clip.



4. Disconnect the fuel return hoses (1) from the nozzle (2).
5. Disconnect the fuel injection line.
6. Cap the nozzle and the lines.
7. Use the J 29873 nozzle socket in order to remove the injection nozzle (2).

Important: Use the J 29873 nozzle socket in order to install an injection nozzle. Install the nozzle using the 30 mm hex portion. Failure to do so will result in damage to the injection nozzle.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

1. Install the injection nozzle using the J 29873 nozzle socket (apply an anti seize compound, GM P/N 1052771, or equivalent, to the threads of the nozzle that contact the cylinder).

Tighten
Tighten the nozzle to 70 N·m (50 lb ft).

2. Connect the fuel injection line.

Tighten
Tighten the line nuts to 25 N·m (20 lb ft).




3. Connect the fuel return hoses (1) on the nozzle (2).
4. Install the fuel line clip.
5. Connect the negative battery cables.

Important: Ensure that the PCM electrical harness is properly routed to avoid contact with the engine cover during installation.

6. Install the engine cover. Refer to Engine Cover Installation in Interior Trim.