Fuel Injector Installation

Special Tools 

EN-45059-A  Angle Meter

Equivalent regional tools: Special Tools 

1. Courtesy of GENERAL MOTORS COMPANY

   CAUTION:

   EN-47632 Cleaning Tool Rotation Caution

   Clean the 4 injector sealing surfaces in the cylinder head with a suitable cleaning tool (1) in the following procedure:

   1. First take the brush side to loosen the dirt.
   2. Accordingly take the sponge side to remove the dirt.

2. Courtesy of GENERAL MOTORS COMPANY

   Remove the closure caps from the 4 fuel injector nozzles.

3. Fuel Injector Washer (2) - Install NEW [4x]
4. Fuel Injector (1) - Install [4x]

5. Courtesy of GENERAL MOTORS COMPANY

   Fuel Injector Bracket (2) - Install [4x]

6. Fuel Injector Bracket Bolt (1) - Install NEW [4x]
CAUTION:

Fastener Caution

7. Fuel Injector Bracket Bolt (1) - Tighten in sequence [4x]
   1. First Pass: 10 N.m (89 lb in)
   2. Final Pass: 60 degrees, use the EN-45059-A  meter