Taurus L4-153 2.5L HSC (1986)
2.5L HSO CFI
742D
Green
4.
Refer to the Modification Procedure Summary (Attachment I, Page 1).
Exhibit 2
Exhibit 2
Injector Removal and Installation Procedure
Emissions Recall 89E78
Repair Code "B"
Disassembly
^
Disconnect battery for 5 minutes.
^
Remove the fuel injector retaining screw and retainer.
^
Remove the injector assembly and the lower O-ring (the O-ring may stay on the injector seat).
Caution:
Be sure to remove the lower O-ring carefully (do not use a screwdriver because it could damage the throttle body injector seat).
Assembly
^
Clean the throttle body O-ring seat.
^
Lubricate the new lower O-ring and the injector seat area with clean engine oil.
Caution:
Do not use transmission oil.
^
Install the lower O-ring on the throttle body seat
^
Lubricate the upper O-ring on the injector with clean engine oil.
^
Install the injector by centering and applying a steady downward pressure with a slight rotational force.
^
Install the injector reiainer and retaining screw.
^
Tighten the retainer screw to 2.0-2.5 N-m (18-22 in-lbs).
Injector Leak Check Procedure
^
Reconnect the battery.
^
Turn the ignition key to the "ON" position for 5 seconds.
Caution:
Do not start the engine.
^
Shine a flash light on the bottom part of the fuel injector housing where the tip of the fuel injector is exposed.
^
Does the injector leak?
YES Remove and reinstall the injector and use a new lower O-ring (Possibly the lower O-ring was
damaged or rolled over during installation). Repeat the leak check.
NO Refer to the Modification Procedure summary (Attachment I, Page 1).
Exhibit 3
