4
READ INSTRUCTIONS COMPLETELY AND THOROUGHLY
BEFORE INSTALLING THE VINTAGE AIR FRONT RUNNER SYSTEM
REMOVAL OF OEM FRONT BELT SYSTEM
(IF SO EQUIPPED)
FRONT RUNNER ENGINE DRIVE SYSTEM
INSTALLING MOUNTING STUDS AND DAMPER
DISCONNECT NEGATIVE BATTERY CABLE
DRAIN RADIATOR FLUID
REMOVE FAN AND BELTS
REMOVE ALTERNATOR AND AC COMPRESSOR
REMOVE HARMONIC DAMPER
REMOVE OEM WATER PUMP AND THERMOSTAT ASSY. FROM OEM
WATER PUMP (IF REUSING THERMOSTAT)
CLEAN AND REMOVE ANY DIRT, GREASE OR BURRS ON ALL MATING SURFACES
CLEAN DAMPER HUB AND SNOUT
WIPE A THIN COAT OF OIL ON CRANK SNOUT
FOLLOW INSTRUCTIONS STEP-BY-STEP FOR PROPER INSTALLATION
INSTALL THE DAMPER AND NEW BOLT AS SHOWN IN FIGURE 1, PAGE 5.
(REFER TO
INSTRUCTIONS INCLUDED WITH DAMPER)
USING A CLEAN MATING SURFACE, INSTALL THE (6) 8mm x 1.25 x 130mm SS STUDS AS SHOWN
IN FIGURE 1, PAGE 5.
INSTALL WATER PUMP GASKETS OVER STUDS AS SHOWN IN FIGURE 2, PAGE 5.
NOTE: 8mm STUDS SHOULD PROTRUDE APPROX 4.28” FROM FACE OF BLOCK
WATER PUMP INSTALLATION
INSTALL WATER PUMP OVER 8mm STUDS
GASKET SEALER IS NOT REQUIRED ON GASKETS, COMPONENTS SHOULD BE INSTALLED DRY.
THERMOSTAT HOUSING MUST BE MODIFIED FOR USE. MOUNTING EAR OF HOUSING MUST BE REMOVED.
GRIND OR CUT EAR AS SHOWN BELOW. INSPECT O-RING SEAL AND REUSE OR REPLACE AS REQUIRED
NOTE: OEM THERMOSTAT ASSEMBLY CAN BE RE-USED OR ONE CAN BE PURCHASED FROM LOCAL
AUTO PARTS RETAILER
RE-INSTALL MODIFIED T-STAT HOUSING ASSY
ONTO NEW WATER PUMP. TORQUE TO
11 LB FT.
EMOVE SHA ED
R
D
AREA OF EAR
OT
LS
LE
M
A HOU I G
N
E:
1 STY
THER OST T
S N
H
OST
U
& T ERM
AT M ST BE USED.
LS , ,
EN
E ) IS
2 3 7 (G
IV ENGIN S
NOT
M A
-0
1 STY
CO P TIBLE. USE 97
3 LS
LE
H
OST
T ERM
AT
WARNING:
ANTI-SEIZE MUST BE USED ON THREADS OF
BOLTS OR MECHANICAL LOCKING WILL OCCUR PREVENTING
REMOVAL OF NUT FROM BOLT AND DAMAGE TO FASTENERS.
904009 REV B 9/18/08 GM LS FRONT RUNNER w & w/o PS PG 4 OF 15
GM LS SERIES
W & W/O PS
