Vortech 1999-2006 4.8L/5.3L/6.0L Light Truck/SUV User Manual

Page 11

P/N: 4GL020-010

08OCT08 v5.0(99-07 GM Trk (4GLv5.0))

A. Drain sufficient coolant to remove the upper radia-

tor hose and clamps.

B. Disconnect the negative battery cable at the bat-

tery.

C. Remove all ducting between the MAF meter and

the throttle body.

D. Remove the upper fan shroud and the radiator

hose. (If the vehicle has an electric fan, skip to

step E.)

E. Remove the accessory drive belt. (Keep in vehicle

as a spare.)

F. Remove the two bolts holding the alternator fus-

ible link junction box and set aside.

COMPOnEnT REMOVAL

G. Remove the idler from the cast bracket and set

aside for later use.

H. If the vehicle is equipped with an engine cover that

extends over the valve covers, it may either be

removed completely or left in place and trimmed

in order to clear the supercharger componentry.

I. Remove the power steering pulley from the

pump.

J. Remove the three bolts securing the front of the

power steering pump.

K. Remove the alternator, bushings and bolts and set

aside for later use. The alternator bushings can

be removed by tapping the small end through the

bracket with an appropriately sized socket.

L. Remove the alternator and power steering pump

mounting bracket by removing the three bolts se-

curing it to the head and the bottom bolt securing

it to the engine block.

M. Remove the valve cover breather hose from the

passenger’s side of the throttle body and cap off

the throttle body nipple with supplied 3/8” vacuum

cap and secure with a zip-tie.

N. Remove the oil filler neck and cap from the pas-

senger’s side valve cover. Do this by twisting in

a counter-clockwise motion. Reinstall the cap

directly into the valve cover.

99-03 Models

: Locate the factory PCV on the

driver’s side rear of the motor. Pull the PCV valve

out and replace it with the supplied PCV.

NOTE: If necessary, the supercharger can be by-

passed by installing the factory accessory

drive belt in its original configuration.