Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Fuel Injector Components

Courtesy of GENERAL MOTORS CORP.

NOTE: Lubricate a NEW O-ring seal (1) with silicon free engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent.

Install the following NEW components to the fuel injectors. Use steps 2 through 8 to install these components.
- Upper O-ring Seal (1)
- Plastic Spacer (2)
- Retaining Ring (3)
- Isolator Cup (5)
- Teflon Seal (6)

Fig 2: View Of Injector Tip & Special Tool EN 48266

Courtesy of GENERAL MOTORS CORP.

From the EN-48266: Installer, position the EN 48266-1 to the injector tip.

Fig 3: Using Special Tool EN 48266-1

Courtesy of GENERAL MOTORS CORP.

NOTE: DO NOT lubricate the NEW Teflon seal.

Install a NEW Teflon seal onto the EN 48266-1.

Fig 4: View Of Special Tool EN 48266-1

Courtesy of GENERAL MOTORS CORP.

Pull the NEW Teflon seal by hand over the EN 48266-1 and into the groove in the injector.
Remove the EN 48266-1 from the injector tip.

Fig 5: Injector Tip & EN 48266-2

Courtesy of GENERAL MOTORS CORP.

From the EN-48266: Installer, install the EN 48266-2 to the injector tip.

Fig 6: View Of Special Tool EN 48266-2

Courtesy of GENERAL MOTORS CORP.

Using the EN 48266-2, resize the Teflon seal. Install the EN 48266-2, until it bottoms out against the injector body, and rotate the EN 48266-2 while applying only moderate force 180 degrees in one direction and then 180 degrees back in the other direction.
Remove the EN 48266-2.

Fig 7: Identifying Direct Fuel Injector & Harness Assembly

Courtesy of GENERAL MOTORS CORP.

Install the direct fuel injectors and harness (1) as an assembly and connect the electrical connector (2).

NOTE: The fuel injectors have an alignment feature and must be reinstalled as noted during removal.

Install the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement - Bank 1 (LLT) or Fuel Injection Fuel Rail Assembly Replacement - Bank 2 (LLT) .