Injector Removal and Installation Procedure

Exhibit 2 - Emissions Recall 89E78 - Repair Code "C"

Disassembly

^ 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 retainer and retaining screw.

^ Tighten the retainer screw to 2.0-2.5 N-m (18-22 in.lbs.). lnjector 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.

Shine a flash light on the top part of the fuel injector housing where it mounts into the throttle body.

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).