DeVille Concours V8-4.6L VIN Y (1995)
Fuel Rail: All Technical Service Bulletins
Fuel Rail Installation
Fuel Rail Installation
1.
Place the NEW fuel rail assembly into position.
A.
Align the fuel injectors to the fuel injector bores in the intake manifold.
B.
Align the fuel injector assembly bracket to the engine lift bracket (Aurora); or EGR valve stud (Cadillac).
C.
Apply pressure to fuel rail assembly to seat fuel injectors into fuel injector bores in the intake manifold.
Notice
Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints,
lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint
clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid
damage to parts and systems.
Important
Steps 2-8 MY 1995-97 Cadillac ONLY.
2.
Install the nut retaining the fuel rail assembly bracket to the EGR stud.
Tighten the nut retaining the fuel rail assembly bracket to the EGR stud to 8 Nm (71 lb in).
3.
Install the fuel rail injector sight shield spacers and studs.
Tighten the fuel injector sight shield studs to 12 Nm (106 lb in).
4.
Align the throttle body heater pipe onto the fuel injector sight shield studs and install any retainers onto the fuel injector sight shield studs.
5.
Connect the fuel injector wiring harness to the 8 fuel injectors and reinstall the fuel injector wiring harness.
6.
Install and connect the NEW fuel pressure regulator hose to the fuel regulator and the vacuum port of the intake manifold.
