Installation Procedure

WARNING: This page is about a different variant/trim than selected.

Coat the NEW O-ring seal (1) with a bit NEW engine oil.

Fig 1: Fuel Injector And O-Ring
Courtesy of GENERAL MOTORS COMPANY
O-Ring (1) @ Fuel Injector (2) - Install [4x]
NOTE: The EN-51146 - 2 - 5 calibrations tools must be installed.
Fuel Injector (3) @ Fuel Injection Fuel Rail (1) - Install [4x]

Fig 2: Fuel Injection Fuel Rail, Fuel Injector Wiring Harness Connectors, Fuel Injectors And Bolts
Courtesy of GENERAL MOTORS COMPANY
Apply thread lock agent to NEW fuel injector bolts. Refer to Adhesives, Fluids, Lubricants and Sealers .
NOTE: Install NEW bolts.
Fuel Injector Bolt (4) @ Fuel Injector (3) - Install and tighten 5 N.m (44 lb in) [8x]
CAUTION: Fastener Caution
Electrical Connector (2) @ Fuel Injector - Connect [4x]