Vortech 1991-1994 Ford 4.0L Ranger/Explorer - Manual (Page 11)

P/N: 4FD020-010
©2001 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
31JUL01 V1.1 (Explorer/Ranger(4FD V1.1))
5. FMU INSTALLATION
A. Locate the return fuel line spring lock connector
(left side frame below master cylinder). Sepa-
rate the return line with a spring lock disconnect
tool. Snap the Vortech fuel line with the male
spring lock connector into the fuel rail outlet.
Attach the other end to the Vortech fuel man-
agement unit inlet.
B. Snap the second line with the female spring lock
connector onto the fuel return line that returns to
the tank (see
Fig. 5-a.) Connect the other end to
the FMU outlet at the center fitting. (See Fig.
5-b.)
FUEL TANK
FUEL
PUMP
FUEL
FEED LINE
FUEL
RETURN LINE
FUEL
MANAGEMENT
UNIT (FMU)
VORTECH
FUEL PUMP
FILTER
ENGINE
CONNECT TO MANIFOLD
VACUUM/PRESSURE
INLET
(FUEL LINE
FROM
STOCK
REGULATOR)
OUTLET
(FUEL FROM
HERE
RETURNS
TO TANK)
5
NOTE: Make sure you have routed all fuel
lines away from all moving parts,
sharp edges, exhaust pipes and
manifolds. Secure the fuel lines
with the tie wraps provided.
EXPLORER/MAZDA NAVAJO FMU:
1. Remove windshield washer fluid/cool-
ant overflow reservoir by removing the
two mounting bolts on the left side fender
apron, disconnecting the fluid lines and
wiring connection.
2. Mount the FMU behind the gas vapor
canister bracket on the driver's side
(FMU lines should be attached to the
unit before it is mounted) using the
sheet metal screws supplied in the kit.
3. Connect the 5/32" vacuum line from the
FMU to the intake manifold vacuum
tree (located at the top rear of the upper
intake manifold) and secure. (See
Fig.
5-c.)
RANGER/MAZDA B4000 FMU:
1. Mount the FMU on the left side fender
apron, forward of the starter relay (FMU
lines should be attached to the unit
before it is mounted), using the sheet
metal screws supplied in the kit.
2. Connect the 5/32" vacuum line from the
FMU to the intake manifold vacuum
tree (located at the top rear of the upper
intake manifold) and secure. (See
Fig.
5-c.)
Fig. 5-a
VACUUM
TREE
MANIFOLD
TOP VIEW
Fig. 5-b
Fig. 5-c