gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Injector Flow Rate Programming|Page 8027 > < Fuel Injector Flow Rate Programming|Page 8025
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22. Disconnect the fuel injector electrical connectors.

NOTE:  Label all the injector electrical connectors before the connectors are removed in order to prevent reconnecting to the wrong injector. Failure
to properly connect the injectors in the correct sequence will cause severe engine damage.

23. Remove the fuel injector bracket bolts.

24. Install J-46594 into the bolt hole in the fuel injector bracket.
25. Install a flare nut wrench onto J-46594 and pull back away from the fuel injector, until the injector releases from its seat.

Fuel Injector Flow Rate Programming|Page 8027 > < Fuel Injector Flow Rate Programming|Page 8025