Lingenfelter L250280197 Lingenfelter C5 Corvette E-Force Supercharger Install Kit v2.9 - Manual (Page 15)

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22. Using a 3/8” fuel line disconnecting tool,
disconnect the fuel line from the fuel rail.
NOTE: This is a picture of an engine out of the
vehicle and is intended for illustration purposes
only.
23. Disconnect the fuel injector electrical
connectors from the eight (8) fuel injectors. There
are four injectors on each side of the engine.
NOTE: This is a picture of an engine out of the
vehicle and is intended for illustration purposes
only.
21. You will now need to relieve the fuel
pressure from the fuel rail. To do so, locate
the test port on the driver side of the fuel rail.
Remove the cap and bleed the pressure using a
pressure tester/bleed off tool.
NOTE: Be sure to have a device to catch the
excess fuel in the fuel rail. Do not allow any
fuel to get onto any hot spots. Fuel system will
be under pressure. Avoid open flames or any
source of ignition. Wait 2-3 hours after turning
the vehicle off to allow for the pressure in the
rails to partially bleed off.
24. Remove the locking clip, then disconnect
the ignition coil electrical connector on both sides
of the engine. The arrow shows the location of
the connector.