Fuel Rail and Injectors Installation

Important:  DO NOT use fuel injector O-ring seals again. Install NEW fuel injector O-ring seals during assembly.

1. Lubricate the NEW fuel injector O-ring seals with clean engine oil.
2. Install the O-ring seals onto the fuel injectors.
3. Note the location of the fuel rail ground strap (1) on the intake manifold.

   The fuel rail ground strap must be installed during assembly.

   Fig 1: Locating Fuel Rail Ground Strap On Intake Manifold

   Courtesy of GENERAL MOTORS CORP.
4. Install the fuel rail, with fuel injectors, into the intake manifold.

   Press evenly on both sides of the fuel rail until all of the injectors are seated in their bores.

5. Apply a 5 mm (0.2 in) band of threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the fuel rail bolts.
   CAUTION: Refer to FUEL RAIL STOP BRACKET INSTALLATION CAUTION .
   NOTE: Refer to FASTENER NOTICE F.
6. Install the fuel rail bolts.
   Fig 2: Installing Fuel Rail, With Fuel Injectors, Into Intake Manifold

   Courtesy of GENERAL MOTORS CORP.

   Tighten 

   Tighten the fuel rail bolts to 10 N.m (89 lb in).