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P/N: 4FM020-010
© 2003 Vortech Engineering, LLC
All Rights Reserved. Intl. Copr. Secured
20OCT03
v3.1 4.6/5.4Exped/Nav(4FM v3.1)
1
*4.6 MODELS ONLY
A. Disconnect the negative battery cable.
B. Remove the throttle body/throttle linkage cover.
C. Detach the crankcase ventilation tube from the driver's
side valve cover and the air inlet.
D. Remove the idle air control resonator and air filter
cover.
E. Unplug the intake air temperature sensor (IAT) and
the mass air flow (MAF) sensor.
F. Detach all remaining components of the air inlet as-
sembly and set aside.
G. From the left side coil, unplug the radio ignition inter-
ference capacitor, remove the spark plug wires and
coil plug.
H. Remove the cam trigger plug, unbolt the coil and re-
move the coil bracket.
I. Separate the EGR pressure transducer and the EGR
vacuum regulator solenoid from their bracket, unbolt
the bracket from the intake manifold and set aside.
J. Unbolt the power steering fluid reservoir from its
bracket. Separate the throttle cables from the retainer
bracket. Remove the main bracket from the waterneck
and the head and set aside.
K. Remove the plastic wire harness holder mounted on
the upper row of valve cover bolts on the driver's side.
L. Remove the accessory drive belt and set aside.
*
*
*
1. COMPONENT REMOVAL AND PREPARATION
NOTE: 1999-2003 Models Only
1. Remove the passenger side front kick panel from
the interior of the vehicle. Remove the sound
deadening material (if any) that is covering the
ECM. Remove the plastic ECM hold-down
bracket.
2. From the engine side of the firewall (in the en-
gine compartment), use a 10mm socket or
wrench and remove the harness and plug from
the ECM (as you loosen the bolt, the connector
will slowly release). Remove the ECM from the
vehicle.
3. Contact the Vortech Service Department for a
Return Authorization Number. Send both ECM
and supplied credit tag to Vortech using the en-
closed shipping box.