Vintage Air Front Runner GM LS SERIES User manual

GM LS SERIES
SERPENTINE DRIVE SYSTEM
WITH & WITHOUT POWER STEERING
an ISO 9001:2008 Registered Company
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 1 OF 15

2
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 2 OF 15
Table of Contents
PAGES
COVER
TABLE OF CONTENTS
INFORMATION PAGE
REMOVAL OF OEM BELT SYSTEM, INSTALLING MOUNTING STUDS
AND WATER PUMP
CONT. MOUNTING STUDS, HARMONIC BALANCER INSTALLATION
AND WATER PUMP GASKET INSTALLATION
FIGURES 1 & 2
WATER PUMP INSTALLATION
FIGURE 3
SUPPORT BRACKET INSTALLATION
FIGURE 4
FRONTRUNNER MAIN BRACKET ASSEMBLY INSTALLATION
FIGURES 5 & 5a
ALTERNATOR INSTALLATION
FIGURE 6
A/C COMPRESSOR INSTALLATION
FIGURE 7
POWER STEERING PUMP INSTALLATION (POWER STEERING ONLY)
FIGURES 8 & 8a
WATER PUMP PULLEY INSTALLATION AND CRANKSHAFT PULLEY INSTALLATION
FIGURE 9 & 10
DOWEL PIN AND TENSIONER SPACER INSTALLATION
FIGURES 11, 11a & 11b
BELT INSTALLATION & A/C COMPRESSOR FITTING INSTALLATION
FIGURES 12 & 13
HEATER HOSE & RADIATOR HOSE INSTALLATION AND FINAL STEPS
FIGURE 14
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.

3
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 3 OF 15
IMPORTANT NOTICE-PLEASE READ
FOR MAXIMUM SYSTEM PERFORMANCE VINTAGE AIR RECOMMENDS
THE FOLLOWING:
THE PROPER AMOUNT OF REFRIGERANT IS CRITICAL TO PROPER SYSTEM OPERATION.
VINTAGE AIR RECOMMENDS OUR SYSTEMS BE CHARGED BY WEIGHT WITH A QUALITY
CHARGING STATION OR SCALE.
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.
SERVICE INFO:
REFRIGERANT CAPACITIES FOR VINTAGE AIR SYSTEMS
LUBRICANT CAPACITIES
ENGINE DAMPER
MOUNTING PROVISIONS
THERMOSTAT
134a SYSTEM
EVACUATE THE SYSTEM FOR 35-45 MINUTES WITH SYSTEM COMPONENTS (DRIER, COMPRESSOR,
EVAPORATOR AND CONDENSER) AT A TEMPERATURE OF AT LEAST 85° F. ON A COOL DAY THE
COMPONENTS CAN BE HEATED WITH A HEAT GUN OR BY RUNNING THE ENGINE WITH THE
HEATER ON BEFORE EVACUATING. LEAK CHECK AND CHARGE TO SPECIFICATIONS.
ALL THREADED HOLES USED AS MOUNTING PROVISIONS IN ENGINE BLOCK SHOULD BE CHECKED FOR
THREAD DAMAGE AND CHASED/REPAIRED AS NECESSARY.
WATER PUMP REQUIRES 97-03 LS1 STYLE THERMOSTAT ASSY. WATER PUMP IS NOT COMPATIBLE WITH
OTHER THERMOSTAT HOUSINGS.
INSTALLATION REQUIRES SPECIALIZED TOOLS FOR REMOVAL AND INSTALLATION OF DAMPER.
IF PROPER TOOLS CANNOT BE ACQUIRED VINTAGE AIR RECOMMENDS INSTALLATION TO BE
PERFORMED BY A TRAINED PROFESSIONAL. REFER TO DAMPER INSTRUCTIONS.
REQ. TOOLS:
(GM OEM #) J 41816 CRANKSHAFT BALANCER REMOVER
OR EQUIVALENT
J 41816-2 CRANKSHAFT END PROTECTOR
OR EQUIVALENT
J 42386 CRANKSHAFT HOLDING TOOL
OR EQUIVALENT
FOR DAMPER INSTALLATION PLEASE REFER TO MANUFACTURES INSTRUCTIONS- INCLUDED
WITH DAMPER.
(FOR OTHER SYSTEMS, CONSULT MANUFACTURER GUIDELINES)
CHARGE WITH 1.8 lbs. (1 lb. 12 oz.) OF REFRIGERANT
NEW COMPRESSOR - NO ADDITIONAL OIL NEEDED

4
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 4 OF 15
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.
REMOVAL OF OEM FRONT BELT SYSTEM
(IF SO EQUIPPED)
FRONTRUNNER ENGINE DRIVE SYSTEM
INSTALLING MOUNTING STUDS AND DAMPER
WATER PUMP INSTALLATION
DISCONNECT NEGATIVE BATTERY CABLE
DRAIN RADIATOR FLUID
REMOVE FAN AND BELTS
REMOVE ALTERNATOR AND A/C 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
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-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.
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 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.
REINSTALL MODIFIED T-STAT HOUSING ASSY
ONTO NEW WATER PUMP. TORQUE TO
11 LB FT.
NOTE: LS1 STYLE THERMOSTAT HOUSING
& THERMOSTAT MUST BE USED.
LS2, 3, 7 (GEN IV ENGINES) IS NOT
COMPATIBLE. USE 97-03 LS1 STYLE
THERMOSTAT
REMOVE SHADED
AREA OF EAR
READ INSTRUCTIONS COMPLETELY AND THOROUGHLY
BEFORE INSTALLING THE VINTAGE AIR FRONTRUNNER SYSTEM
FOLLOW INSTRUCTIONS STEP-BY-STEP FOR PROPER INSTALLATION

5
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 5 OF 15
FIGURE 1
FIGURE 2
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.
MOUNTING STUDS AND HARMONIC BALANCER INSTALLATION
WATER PUMP GASKET INSTALLATION
(6) 184138
8mm-1.25 x 130mm
SS STUD
LS FRONTRUNNER
HARMONIC BALANCER/
BOLT
(2) WATER PUMP
GASKETS

6
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 6 OF 15
FIGURE 3
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.
WATER PUMP INSTALLATION
184138
(6) 8mm-1.25 x 130mm
SS STUD
721010
LS FRONTRUNNER
WATER PUMP
BACK OF
WATER PUMP
BACK PLATE
M6 MOUNTING
BOLT
MAXIMUM
HEAD HEIGHT
5/32" OR .156"
NOTE: SOME NEWER MODEL GM ENGINES MAY REQUIRE SHORTENING OF BOTTOM MOST M6 BOLT HEAD FOR CLEARANCE OVER TIMING COVER. REMOVE WASHER (IF EQUIP) REINSTALL AND TORQUE TO 11 LB FT. (SEE BELOW)

7
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 7 OF 15
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.
INSTALL SUPPORT BRACKET ONTO BLOCK USING (2) 10mm-1.50 x 70mm 12 PT SS BOLTS
WITH (2) 3/8" AN FLAT WASHERS AS SHOWN IN FIGURE 4, BELOW. NOTE: GM BLOCKS VARY
IN NUMBER OF MOUNTING PROVISIONS PROVIDED, DEPENDING ON APPLICATION. SUPPORT
BRACKET WILL ACCOMMODATE VARIANCE. HAND TIGHTEN FASTENERS ONLY, DO NOT TORQUE.
SEE FIGURE 4, BELOW.
SUPPORT BRACKET
LS FRONTRUNNER
SUPPORT BRACKET
18543-WNS
(2) 3/8" AN FLAT
WASHERS
184170
(2) 10mm-1.50 x 70mm
12 PT SS BOLTS
BACK SIDE
OF BRACKET
M10
THREADED
HOLE
NOTE: REQUIRED
FOR PS KIT ALSO
(FOR USE WHERE
APPLICABLE)
ASSEMBLED VIEW
NOTE: (OPTIONAL) M10
THREADED HOLE CAN BE
USED TO RELOCATE ENGINE
MOUNTED CAMSHAFT POSITION
SENSOR EXTENSION HARNESS
CONNECTOR FOR EASE OF
INSTALLATION.
FIGURE 4

8
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 8 OF 15
FIGURE 5a
FIGURE 5
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.
FRONTRUNNER MAIN BRACKET ASSEMBLY INSTALLATION
INSTALL FRONTRUNNER MAIN BRACKET ASSEMBLY OVER WATER PUMP AND 8mm MOUNTING STUDS
USING 5/16" AN FLAT WASHERS AND 8mm-1.25 12 PT SS NUT. SEE FIGURE 5, BELOW. NOTE: DO NOT
TORQUE FASTENERS AT THIS TIME.
INSTALL .750 x .406 x .332" L ALUM SPACER BETWEEN MAIN BRACKET AND WATER PUMP, USING A
10mm-1.50 x 70mm 12 PT SS BOLT AND 3/8" AN FLAT WASHER AS SHOWN IN FIGURE 5.
INSTALL A 10mm-1.50 x 70mm 12 PT SS BOLT AND 3/8" AN FLAT WASHER THROUGH MAIN BRACKET
AND SUPPORT BRACKET AS SHOWN IN FIGURE 5a, BELOW.
DO NOT TORQUE FASTENERS AT THIS TIME.
.750 x .406 x .332" L
ALUM SPACER
180008 LS FRONTRUNNER
MAIN BRACKET 18544-WNS
(6) 5/16" AN
FLAT WASHERS
184137
(6) 8mm-1.25
12 PT SS NUTS
184170
10mm-1.50 x 70mm
12 PT SS BOLT
184170
10mm-1.50 x 70mm
12 PT SS BOLT
18543-WNS
3/8" AN FLAT WASHER
18543-WNS
3/8" AN FLAT WASHER

9
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 9 OF 15
FIGURE 6
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.
TIP: WITH FASTENERS LEFT
LOOSE, BRACKETS CAN BE
MOVED TO ALIGN ALTERNATOR
WITH BRACKET MOUNTING HOLES.
184139
M8 x 1.25 x 40mm
12 PT SS BOLT
184139
M8 x 1.25 x 40mm
12 PT SS BOLT
184135
3/8-16 x 3 ¼"
12 PT SS BOLT
184135
3/8-16 x 3 ¼"
12 PT SS BOLT
18544-WNS
5/16" AN FLAT
WASHER
18544-WNS
5/16" AN FLAT
WASHER
18543-WNS
3/8" AN FLAT
WASHER
18543-WNS
3/8" AN FLAT
WASHER
140 AMP
ALTERNATOR
INSTALL ALTERNATOR ONTO MAIN BRACKET USING A 8mm-1.25 x 40mm 12 PT SS BOLT AND 5/16" AN
FLAT WASHER FOR THE TOP MOUNT, AND USE A 3/8-16 x 3 ¼" 12 PT SS BOLT AND 3/8" AN FLAT
WASHER FOR THE BOTTOM MOUNT AS SHOWN IN FIGURE 6, BELOW.
NOTE: ONCE ALTERNATOR HAS BEEN INSTALLED, FASTENERS CAN BE TORQUED IN PLACE USING
CRISSCROSS PATTERN. TORQUE 5/16" & 8mm BOLTS/STUDS TO 22 LB FT, AND TORQUE 3/8" & M10
BOLTS TO 37 LB FT.
ALTERNATOR INSTALLATION

10
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 10 OF 15
FIGURE 7
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.
INSTALL A/C COMPRESSOR AS SHOWN IN FIGURE 7, BELOW.
INSTALL (2) .789 OD x .315 ID x .297" L ALUM SPACER BETWEEN COMPRESSOR AND BRACKET, ALONG
WITH (2) 5/16-18 x 4 ¼" 12 PT SS BOLTS, (2) 5/16" AN FLAT WASHERS AND (2) 5/16-18 SS NYLOC NUTS.
SEE FIGURE 7.
COMPRESSOR MOUNTING EARS CONTAIN SLIDING BUSHINGS THAT ARE DRAWN-IN AND CLAMP TO
BRACKET WHEN COMPRESSED.
.789 OD x .315 ID x .297" L
ALUM SPACER
.789 OD x .315 ID x .297" L
ALUM SPACER
A/C COMPRESSOR
184425-ISD
(2) 5/16-18 x 4 ¼"
12 PT SS BOLTS
186018-NSD
(2) 5/16-18 SS
NYLOC NUTS
18544-WNS
(2) 5/16" AN FLAT
WASHERS
A/C COMPRESSOR INSTALLATION

11
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 11 OF 15
POWER STEERING PUMP INSTALLATION (POWER STEERING ONLY)
NOTE: SOME TYPE II GM POWER STEERING PUMPS HAVE THREADED MOUNTING BASES. THESE MUST
BE DRILLED OUT TO ALLOW FRONT RUNNER MOUNTING BOLTS TO PASS THROUGH THE HOLES AND
THREAD INTO THE BRACKET. SEE FIGURE 8a, BELOW.
USING A POWER STEERING PUMP PULLEY INSTALLER, INSTALL THE POWER STEERING PULLEY ONTO THE
POWER STEERING PUMP. SEE FIGURE 8a.
NOTE: PULLEY MUST BE INSTALLED WITH PROPER TOOL. (K-D TOOL #2897 OR EQUIVALENT) DO NOT
ATTEMPT TO HAMMER OR PRESS PULLEY ON POWER STEERING PUMP SHAFT!
INSTALL POWER STEERING PUMP USING (2) 5/16-18 x 2 ¾" 12 PT SS BOLTS WITH (2) 5/16" AN WASHERS AS
SHOWN IN FIGURE 8, BELOW. TORQUE TO 28 LB FT.
FIGURE 8
FIGURE 8a
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.
MOUNTING HOLES
IN PUMP MUST BE 5/16"
(DRILL TO 5/16" IF NECESSARY)
POWER STEERING
PUMP
POWER STEERING
PULLEY
TYPE II PUMP
SHAFT MUST
BE .664" OD
184275-ISD
(2) 5/16-18 x 2 ¾"
12 PT SS BOLTS
18544-WNS
(2) 5/16" AN FLAT
WASHERS
(3.29”)
(FROM THE REAR OF PULLEY
TO THE REAR OF PUMP)
FROM CENTER OF PULLEY
TO THE REAR OF PUMP
THIS FEATURE
MUST FACE OUT
3.80”

12
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 12 OF 15
FIGURE 10
FIGURE 9
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.
WATER PUMP PULLEY INSTALLATION
CRANKSHAFT PULLEY INSTALLATION
INSTALL WATER PUMP PULLEY ONTO WATER PUMP USING (4) 5/16-24 x 3/4" BOLTS AND (4) 5/16" AN FLAT
WASHERS AS SHOWN IN FIGURE 9, BELOW. TORQUE TO 22 LB FT.
INSTALL CRANKSHAFT PULLEY ONTO DAMPER USING (3) 3/8-16 x 1 ¼" BOLTS AND (3) 3/8" AN FLAT
WASHERS AS SHOWN IN FIGURE 10, BELOW. TORQUE TO 25 LB FT.
WATER PUMP
PULLEY
184075-ISD
(4) 5/16-24 x 3/4"
12 PT SS BOLTS
CRANKSHAFT
PULLEY
18543-WNS
(3) 3/8" AN FLAT
WASHERS
184126-ISD
(3) 3/8-16 x 1 ¼"
12 PT SS BOLTS
18544-WNS
(4) 5/16" AN FLAT
WASHERS

13
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 13 OF 15
FIGURE 11
FIGURE 11a
FIGURE 11b
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.
DOWEL PIN AND TENSIONER SPACER INSTALLATION
INSTALL .250 x 1.00 SS DOWEL PIN INTO MAIN BRACKET AS SHOWN IN FIGURE 11, BELOW.
NOTE: DOWEL PIN IS A PRESS FIT. USE A HAMMER AND CAREFULLY TAP DOWEL PIN INTO LOCATING
HOLE.
INSTALL TENSIONER SPACER ON BACK SIDE OF BELT TENSIONER. SEE FIGURE 11b, BELOW.
NOTE: BE SURE TO INSERT DOWEL PIN INTO CORRECT LOCATING HOLE OF THE TENSIONER SPACER.
SEE FIGURE 11a, BELOW. TAP SPACER ONTO BRACKET IF NECESSARY.
ALIGN TENSIONER AND TENSIONER SPACER TO MAIN BRACKET USING A 3/8-16 x 3 ¼" 12 PT SS BOLT
AS SHOWN IN FIGURE 11b, BELOW. TORQUE TO 37 LB FT.
BACK SIDE OF
TENSIONER SPACER
184135
3/8-16 x 3 ¼"
12 PT SS BOLT
39603-SCH
BELT TENSIONER
NOTE: TENSIONER
POSITION SHOWN
WITH BELT TENSION.
DOWEL PIN
LOCATING HOLE
186341
DOWEL PIN

14
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 14 OF 15
FIGURE 12
FIGURE 13
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.
BELT INSTALLATION
INSERT A 1/2" DRIVE RATCHET OR BREAKER BAR INTO SOCKET ON TENSIONER, ROTATE CLOCKWISE
UNTIL TENSIONER STOPS. ROUTE BELT AROUND CRANKSHAFT PULLEY, POWER STEERING PULLEY,
ALTERNATOR AND OVER COMPRESSOR. PULL BELT DOWN AND SLIDE UNDER WATER PUMP PULLEY
LAST. SEE FIGURE 12.
INSTALL THE #8 AND #10 A/C COMPRESSOR FITTINGS ON COMPRESSOR USING (2) 8mm-1.25 x 25mm
12 PT SS BOLTS AS SHOWN IN FIGURE 13, BELOW. KEEP PORTS SEALED WITH CAPS UNTIL A/C CIRCUIT
HAS BEEN COMPLETED.
SOCKET
#8 COMPRESSOR
FITTING
#10 COMPRESSOR
FITTING
184136
(2) 8mm-1.25 x 25mm
12 PT SS BOLTS
WITH PS 66" BELT WITHOUT PS 63" BELT
A/C COMPRESSOR FITTING INSTALLATION

15
904009 REV D 01/19/15, GM LS FRONTRUNNER w & wo POWER STEERING INST PG 15 OF 15
FIGURE 14
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.
HEATER HOSE & RADIATOR HOSE INSTALLATION
FINAL STEPS
INSTALL THE (2) HEATER HOSES ONTO THE WATER PUMP. NOTE: HOSE CLAMP LOCATION AND POSITION
AS SHOWN IN FIGURE 14, BELOW.
INSTALL THE (2) RADIATOR HOSES ONTO THE WATER PUMP. NOTE: HOSE CLAMP LOCATION AND POSITION
AS SHOWN IN FIGURE 14, BELOW.
REINSTALL ALL PREVIOUSLY REMOVED ITEMS (RADIATOR, FAN BLADE, RADIATOR HOSES ETC.)
RECONNECT ALL ELECTRICAL CONNECTORS.
NOTE: CHARGING SYSTEM MUST BE PROPERLY WIRED TO ACCEPT ONE-WIRE INTERNALLY REGULATED
ALTERNATOR.
CONNECT NEGATIVE BATTERY CABLE.
FILL RADIATOR WITH AT LEAST A 50/50 MIXTURE OF APPROVED ANTIFREEZE AND DISTILLED WATER.
IT IS THE OWNER'S RESPONSIBILITY TO KEEP THE FREEZE PROTECTION AT THE PROPER LEVEL FOR THE
CLIMATE IN WHICH THE VEHICLE IS OPERATED. FAILURE TO FOLLOW ANTIFREEZE RECOMMENDATIONS
WILL CAUSE HEATER CORE TO CORRODE PREMATURELY AND POSSIBLY BURST IN A/C MODE AND/OR
FREEZING WEATHER, VOIDING YOUR WARRANTY.
DOUBLE CHECK ALL FITTINGS, BRACKETS AND BELTS FOR TIGHTNESS.
VINTAGE AIR RECOMMENDS THAT ALL A/C SYSTEMS BE SERVICED BY A CERTIFIED AUTOMOTIVE AIR
CONDITIONING TECHNICIAN.
EVACUATE THE SYSTEM FOR A MINIMUM OF 45 MINUTES PRIOR TO CHARGING AND LEAK CHECK PRIOR
TO SERVICING. CHARGE THE SYSTEM TO THE CAPACITIES STATED ON THE INFORMATION PAGE (PAGE 3)
OF THIS INSTRUCTION MANUAL.
RADIATOR HOSE
INLET
RADIATOR HOSE
OUTLET
HEATER HOSE
3/4" PORT (FROM HEATER CORE)
(SUCTION SIDE)
HEATER HOSE
5/8" PORT (TO HEATER CORE)
(PRESSURE SIDE)