2 fuel pump and fmu installation, cont’d – Vortech 2003-2005 Lexus 3.0L IS300 User Manual
Page 32

P/N: 4LA020-010
©2007 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
11JUL07 v1.1 Lexus(4LAv1.1)
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4.
Verify that all line connections have been
made properly. Adjust all previously
installed hoses and fittings so the lines
route smoothly and are kept away from
any sharp or moving parts. Tighten
securely, all previously installed clamps at
this time.
5.
Connect the supplied length of Ø5/32"
vacuum line to the pressure port on the
FMU. Route the line up underneath the
intake manifold to the vacuum port on the
intake manifold. Using the supplied
Ø5/32" vacuum TEE, connect the line to
the previously installed line going to the
by-pass valve. (See Fig. 8-g.)
Fig. 8-e
8.2
FUEL PUMP AND FMU INSTALLATION, cont’d
Fig. 8-f
Fig. 8-g
VACUUM LINE
TO BYPASS
VALVE
VACUUM PORT
5/32" HOSE (CONNECTED
TO MANIFOLD PRESSURE)
FACTORY FUEL LINE
TO INTAKE MANIFOLD
RED POWER WIRE
(FROM FUEL PUMP RELAY)
MARK AND DRILL HOLES
INSTALL THE SUPPLIED SHEET-METAL SCREWS TO
HOLD THE FUEL MANAGEMENT UNIT AND FUEL PUMP
SUPPLIED
FUEL PUMP
5/16" HOSE
BARB TEES
INSTALL AND TIGHTEN CLAMPS
USING STEPLESS
CLAMP PLIERS
INLET
OUTLET
(VERIFY THAT COPPER
WASHERS ARE INSTALLED
AND FITTINGS ARE TIGHT)
FACTORY SUPPLY
LINE FROM FUEL
TANK