Multec 3.5 Fuel Injector Application Manual
Appendix
Delphi Energy and Chassis Systems
Revision: 11/05-1 10-7
Others
55 Injector mechanical and sealing interfaces
to fuel rail and head/manifold meets
Delphi recommendations
−
Include
analysis of injector clip interface
3.3.5,3.3.6,4.2
56 Other significant component drivers
(external noise, external corrosion) specify
driver and requirement
3.14
3.15
4.4.5.1, 9.3.1
57 Injector tip to interface with cylinder head
4.2.1
58 Component assembly best practices
evaluated (engine and vehicle plants).
10.4
59 Max injector prime pulse and vehicle
assembly prime analyzed with respect to
engine hydrolock
7.4
60 Use of proper seal ring lubricants at engine
assembly verified.
6.5
61 Reviewed Multec 3.5 Fuel Injector
Handling Recommendations
Table 6-1
62 Injector service procedure set-up according
to Delphi guidelines prior to SOP
6.7
Note: Final injector selection requires verification by customer for emissions and driveability
compliance. This should include limit flow distribution and injector tip leakage hardware.
Seq: Sequential fire; SDF: Simultaneous Double Fire; ASDF: Alternating Simultaneous
Double Fire; SSF: Simultaneous Single Fire; SFC: Specific Fuel Consumption; MAP:
Manifold Absolute Pressure; BLM: Block Learn Multiplier
If the injector lower seal is located in cylinder head, this will expose the injector to
higher than normal temperatures.