Fuel Rail And Injectors Removal

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuel Rail and Injectors

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Fuel Injection Fuel Rail Bolt
2	Direct Fuel Injection Fuel Rail Assembly Procedure Install two sets of EN-49248 remover. Install one remover in each of the fuel rail fastener bores. Remove by turning each section of the remover an equal amount to pull the fuel rail and injectors out evenly. NOTE: In some cases, the fuel injectors may be difficult to remove because of heavy carbon build-up or other factors. Excessive force with the removal tool can damage the fuel rail, injectors or both. If injectors are difficult to remove, apply solvent to the base of the injector bores, and allow adequate soaking time, to loosen the fuel injectors. Pull the fuel rail and injectors as an assembly. To prevent material from entering the combustions chambers make sure the area around each injector is clean and free of debris before the injectors are removed from the injector bores. Special Tools EN-49248 Injector Rail Assembly Remover Equivalent regional tools:Special Tools .
3	Fuel Rail Insulator

Callout

Component Name

Fuel Injection Fuel Rail Bolt

Direct Fuel Injection Fuel Rail Assembly

Procedure

Install two sets of EN-49248 remover.
Install one remover in each of the fuel rail fastener bores.
Remove by turning each section of the remover an equal amount to pull the fuel rail and injectors out evenly.

NOTE:

In some cases, the fuel injectors may be difficult to remove because of heavy carbon build-up or other factors. Excessive force with the removal tool can damage the fuel rail, injectors or both. If injectors are difficult to remove, apply solvent to the base of the injector bores, and allow adequate soaking time, to loosen the fuel injectors.
Pull the fuel rail and injectors as an assembly.
To prevent material from entering the combustions chambers make sure the area around each injector is clean and free of debris before the injectors are removed from the injector bores.

Special Tools
EN-49248 Injector Rail Assembly Remover
Equivalent regional tools:Special Tools .

Fuel Rail Insulator