GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Mechanical - 6.6L
🢒 Fuel Injector Removal
Tools Required
J 44639
Injector Removal Tool
Remove the fuel injector return pipe eye bolts and gaskets.
Remove the fuel injector return pipe assembly.
Remove the fuel injector bracket bolts.
Install the
J 44639
to the fuel injector brackets.
Pull back on the
J 44639
in one steady motion, until the fuel injector breaks free from its seat.
Remove the
J 44639
.
Remove the fuel injectors with the fuel injector brackets.
Remove the injector bracket pins.
Remove the copper washer from the injector bore and discard.
Remove the O-ring from the injector and discard.