LaCrosse V6-3.8L VIN 2 (2005)
7. Remove the fuel rail hold-down nuts (2).
8. Remove the fuel rail (1) with the fuel injectors (3) with equal force on both sides of the fuel rail.
INSTALLATION PROCEDURE
CAUTION: In order to reduce the risk of fire and personal injury that may result from a fuel leak, always install the fuel injector O-rings in
the proper position. If the upper and lower O-rings are different colors (black and brown), be sure to install the black O-ring in the upper
position and the brown O-ring in the lower position on the fuel injector. The O-rings are the same size but are made of different materials.
NOTE: Refer to Fuel Rail Notice in Service Precautions.
1. The O-rings must be replaced on all components that are serviced.
2. Lightly oil the fuel injector O-rings with clean engine oil.
3. Place the fuel rail (1) with the fuel injectors (3) on the intake manifold.
4. Seat the fuel injectors (3) by HAND.
5. Install the fuel rail hold-down nuts (2).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the nuts to 10 N.m (89 lb in).