Vortech 2003-2005 Lexus 3.0L IS300 User Manual
Page 31
P/N: 4LA020-010
©2007 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
11JUL07 v1.1 Lexus(4LAv1.1)
23
Fig. 8-a
A.
Locate the rubber section of the fuel supply
line on the driver’s side frame rail as shown.
(See Fig. 8-a.)
B.
Cut the fuel line in approximately the middle
of its length. (See Figs. 8-a, 8-b.)
C.
Using the FMU and mounting bracket as a
template, position the FMU as shown. (See
Fig. 8-c
.) Mark the two hole locations. Drill
1/8" pilot holes in the previously marked hole
locations. Install the FMU using the provided
#12 sheet-metal screws as shown. (See Fig.
8-c
.) Cut the spring lock fittings off of the sup-
plied FMU lines as close to the fitting as pos-
sible and discard.
D.
Position the supplied fuel pump as shown.
(See Fig. 8-d.) Mark and drill the two pilot
holes in the sub-frame support brace. Secure
the fuel pump and fuel pump ground wire to
the sub-frame support brace using the sup-
plied adel clamps and #12 sheet metal
screws. (See Fig. 8-d.)
E.
(See Figs. 8-e, 8-f for reference.)
1.
Attach the two supplied Ø5/16" hose barb
TEEs to the open ends of the previously
cut factory fuel line.
2.
Connect the hose from the FMU inlet port
on the previously installed FMU to the
TEE connected to the line from the fuel
tank. Connect a length of supplied hose
from the branch of the same TEE to the
fuel pump inlet port.
3.
Connect the length of hose from the out-
let on the side of the FMU to the TEE
attached to the line going to the fuel rail
on the manifold. Connect a length of sup-
plied hose from the branch of the same
TEE to the fuel pump outlet.
NOTE;
The following step should be completed in a
well ventilated area free of any ignition source.
NOTE;
Spring lock fittings are not used in this
application
NOTE;
When installing the fuel lines in this step,
install the supplied clamps simultaneous-
ly. However, do not clamp until all con-
nections have been made and verified.
NOTE;
Using a pair of locking pliers to pinch the
fuel line on the fuel tank side of your cut
location to avoid draining the fuel tank.
Use caution as there will be fuel drainage
from the engine side of the cut.
Fig. 8-b
Fig. 8-c
Fig. 8-d
8.2
FUEL PUMP AND FMU INSTALLATION
TRANSMISSION
DRIVER’S SIDE
FRAME RAIL
STEERING
LINKAGE
FUEL LINE TO BE CUT
FMU
FMU MOUNTING BRACKET
SUPPLIED FUEL PUMP
1-11/16" ADEL CLAMPS
FUEL LINE FROM TANK
FLOW
GROUND WIRE