Vortech 1993-1997 5.7L LT1 F-Body - Manual (Page 18)

8. Final Check
A. Reconnect the battery cable.
B. Temporarily remove the aftercooler return hose
from the 3/4” union running to the water tank
(see step 6E).
C. Fill the Vortech water tank with a 25%/75%
coolant/water mix until water starts to run out
of the rubber return elbow located on the water
tank. Temporarily insert the open end of the
return hose (running from the aftercooler core)
into the tank filler neck.
D. Turn the ignition key to the “on” position to
prime the water pump. Water should be flowing
through the system. If water is not flowing,
air must be purged from the lines by applying
suction to the end of the return hose inserted
in the filler neck. The pump should not be
allowed to run for extended periods (30 seconds
or more) without waterflow. Once water is
flowing, allow to run for approximately one
minute. Turn off the ignition and wait for one
more minute. Restart the pump and make sure
that the water is still flowing properly.
Reconnect the core return hose to the 3/4”
barb union on the tank and secure with a clamp.
E. Check all fittings, lines and hoses for routing
and leaks (away from hot objects and sharp
edges).
F. Reinstall the mass air meter, air filter assembly,
lower splashguard and radiator deflector.
G. With the pump running and flowing water
through the system, fill the water tank up. (Do
not overfill the tank. Stop filling when the water
has come up to the base of the filler hose.)
Attach the filler cap to the aluminum filler hose
adapter. Drill a 1/4” hole (if not already done
by Vortech) in the center of the fill cap to
provide the system with a vent to allow for
thermal expansion of the water and air.
Final Check
13
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