Vortech Engineering Automobile 4GC020-010 Benutzerhandbuch

P/N: 

4GC020-010

©2001 Vortech Engineering, LLC

All Rights Reserved, Intl. Copr. Secured

15SEP01 V1.1 

(88-95 GM Lt Trk(4GC))

A. Disconnect the battery (negative lead).
B. Remove and set aside the following compo-

nents:

• The top portion of the fan shroud
• The accessory drive belt
• The cooling fan assembly
• The crankshaft pulley
• The air filter canister assembly and hose
• The intake air resonator (detach from inner

fender)

• The power steering pump pulley (1994

models only)

A. Remove the crankshaft pulley from the engine if

not already done.

B. Place the Vortech provided crank pulley and

spacer inside the stock pulley. (See 

Fig. 2-a

.)

C. Line up bolt holes and, if necessary, press

pieces together or pull them together by gradu-
ally tightening the bolts.

D. Reinstall the pulleys as a unit onto the crank-

shaft balancer assembly using three 3/8-24 x 4"
bolts and supplied 1/2-20 x 4" center bolt. (See

Fig. 2-a

.)

1

NOTE: If the vehicle is a 1993 model year or later,

it will be necessary to purchase the stock
air inlet resonator. The Chevrolet part num-
ber is 25097949

Fig. 2-a