Vintage Air 1970-72 Cutlass Manual Download Page 3

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904144 REV A 1/9/12, INST 1970-72 CUTLASS w/ AC EVAP KIT PG 3 OF 25

** BEFORE BEGINNING INSTALLATION OPEN ALL PACKAGES AND CHECK CONTENTS OF SHIPMENT.

PLEASE REPORT ANY SHORTAGES DIRECTLY TO VINTAGE AIR WITHIN 15 DAYS. AFTER 15 DAYS,

VINTAGE AIR WILL NOT BE RESPONSIBLE FOR MISSING OR DAMAGED ITEMS.

EVAPORATOR KIT

564171

1.
2.

1
1

762171
784156

No. QTY. PART No. DESCRIPTION

ACCESSORY KIT

784156

6 VENT EVAP. SUB CASE w/ 204 ECU w/ 4-2

½”

1970-72 CUTLASS w/ AC ACC. KIT

NOTE: IMAGES MAY NOT DEPICT ACTUAL PARTS AND QUANTITIES.

REFER TO PACKING LIST FOR ACTUAL PARTS AND QUANTITIES.

6 VENT EVAP

SUB CASE

w/ 204 ECU

w/ 4-2

½”

762171

OFF

DASH

HOT

FAN HI

DEF

FLR

COLD

Summary of Contents for 1970-72 Cutlass

Page 1: ...1970 72 CUTLASS w FACTORY AIR 564171 904144 REV A 1 9 12 INST 1970 72 CUTLASS w AC EVAP KIT PG 1 OF 25 an ISO 9001 2008 Registered Company ...

Page 2: ...LATION EVAPORATOR INSTALLATION FIGURES 8 9 12 BRACKET INSTALLATION CONT FIGURE 10 13 EVAPORATOR INSTALLATION CONT FIGURES 11 12 14 DRAIN HOSE INSTALLATION LUBRICATING O RINGS A C HOSE INSTALLATION FIGURES 13 14 15 AC HEATER HOSE ROUTING FIGURE 15 16 PASSENGER SIDE UNDER DASH LOUVER HOSE ADAPTER INSTALLATION FIGURES 16 16a 16b 17 DRIVER SIDE UNDER DASH LOUVER HOSE ADAPTER INSTALLATION FIGURES 17 17...

Page 3: ...5 DAYS VINTAGE AIR WILL NOT BE RESPONSIBLE FOR MISSING OR DAMAGED ITEMS EVAPORATOR KIT 564171 1 2 1 1 762171 784156 No QTY PART No DESCRIPTION ACCESSORY KIT 784156 1 6 VENT EVAP SUB CASE w 204 ECU w 4 2 1970 72 CUTLASS w AC ACC KIT NOTE IMAGES MAY NOT DEPICT ACTUAL PARTS AND QUANTITIES REFER TO PACKING LIST FOR ACTUAL PARTS AND QUANTITIES 2 6 VENT EVAP SUB CASE w 204 ECU w 4 2 762171 OFF DASH HOT ...

Page 4: ...aller preference Vintage Air Systems Are Designed to Operate With R134a Refrigerant Only Use of Any Other Refrigerants Is a Fire Hazard and Could Damage Either Your Air Conditioning System or Your Vehicle Refrigerant Capacity for Vintage Air Systems For other systems consult manufacturer s guidelines R134a System Charge with 1 8 lbs 1 lb 12 oz of refrigerant Lubricant Capacities New Vintage Air su...

Page 5: ...n be sensitive to voltage spikes on the power leads which can cause unexpected resets strange behavior and or permanent damage Vintage Air strives to harden our products against these types of electrical noise but there is a point where a vehicle s electrical system can be degraded so much that nothing can help Radio interference capacitors should be available at most auto and truck parts supplier...

Page 6: ...LY UNDER HOOD AND THE AIR DISTRIBUTION SYSTEM UNDER DASH THE FACTORY MANUAL INDICATES DOING THE FOLLOWING REMOVE RIGHT INNER FENDER OEM HEATER HOSES A C HOSES HARDLINES AND DRIER DISCARD SEE FIGURE 1 OEM A C HEATER WIRING VACUUM HARNESS MOLDED GROMMET SEE FIGURE 1 INSTALL 1 3 4 PLUG IN FIREWALL SEE FIGURE 1 PASSENGER SIDE GRILL INSERT BEFORE STARTING THE INSTALLATION CHECK THE FUNCTION OF THE VEHI...

Page 7: ...SSENGER SIDE KICK PANEL FRESH AIR DOOR ASM AS SHOWN IN FIGURE 2a PASSENGER COMPARTMENT CONDENSER ASSEMBLY INSTALLATION REFER TO SEPARATE INSTRUCTIONS INCLUDED WITH THE CONDENSER KIT TO INSTALL THE CONDENSER BINARY SWITCH INSTALLATION REFER TO CONDENSER INSTRUCTIONS REFER TO SEPARATE INSTRUCTIONS INCLUDED WITH THE BRACKET KIT TO INSTALL THE COMPRESSOR BRACKET IN MOST INSTANCES THE BELT LENGTHS WILL...

Page 8: ...RE 3 DEFROST DUCT INSTALLATION INSTALL DEFROST DUCTS UNDER DASH AND ALIGN WITH OEM OPENING INSTALL THE PASSENGER SIDE DEFROST DUCT TO COWL USING 10 x 1 2 SHEETMETAL SCREWS SEE FIGURE 3 BELOW NOTE DRIVER SIDE DEFROST DUCT INSTALLS BEHIND STEERING COLUMN BRACE AND SECURES USING STEERING COLUMN OEM BOLT AS SHOWN BELOW OEM DEFROST DUCT OPENING DEF DUCT COWL OEM BOLT STEERING COLUMN BRACE 10 x 1 2 SHEE...

Page 9: ...M CENTER LOUVER ASM AS SHOWN IN FIGURE 5 BELOW INSTALL 2 S CLIPS ON HOSE ADAPTER SEE FIGURE 5a INSTALL CENTER LOUVER HOSE ADAPTER ON CENTER LOUVER ASSEMBLYAS SHOWN IN FIGURE 5a BELOW CENTER LOUVER HOSE ADAPTER 496081 2 S CLIPS 65980 VUE CUT REMOVE SHADED PORTION OEM CENTER LOUVER ASM FIGURE 5 FIGURE 5a 4 ...

Page 10: ...GINE SIDE OF FIREWALL INSTALL 7 8 PLUG AND 3 8 GROMMET IN FIREWALL SEE FIGURE 6 INSTALL 2 1 2 PLUGS AS SHOWN IN FIGURE 6 MAY NEED TO ENLARGE TO 1 2 DIA ENLARGE 2 OEM HOLES TO 5 16 AS SHOWN IN FIGURE 6 1 2 PLUG 31102 GUR 1 2 PLUG 31102 GUR FIGURE 7b FIGURE 7a FIGURE 7 KICK PANEL FRESH AIR CAP INSTALLATION INSTALL 4 GROMMETS IN KICK PANEL FRESH AIR CAP SEE FIGURE 7a BELOW ROUTE A C AND HEATER HOSE T...

Page 11: ...EWALL COVER SILICONE 2 1 4 20 x 1 HEX BOLT 1 4 FLAT WASHER FIREWALL COVER ASM 644106 FIGURE 8 EVAPORATOR INSTALLATION ON A WORK BENCH INSTALL 2 HEATER FITTINGS WITH PROPERLY LUBRICATED O RINGS SEE FIGURE 14 PAGE 14 AND FIGURE 10 PAGE 12 INSTALL EVAPORATOR FRONT REAR MOUNTING BRACKETS ON EVAPORATOR USING 6 1 4 20 x 1 2 HEX BOLTS AND TIGHTEN AS SHOWN IN FIGURE 9 BELOW FIGURE 10 PAGE 12 LAY EVAPORATO...

Page 12: ... A 1 9 12 INST 1970 72 CUTLASS w AC EVAP KIT PG 12 OF 25 REAR EVAPORATOR BRACKET ASM 644104 2 HEATER FITTINGS 2 1 4 20 x HEX BOLT 2 1 4 20 x HEX BOLT BRACKET INSTALLATION CONT 70 72 CUTLASS MOUNTING HOLES FIGURE 10 ...

Page 13: ...ECURE LOOSELY TO THE FIREWALL FROM THE ENGINE COMPARTMENT SIDE USING 2 1 4 20 x 1 1 4 HEX BOLT AND FLAT WASHER SEE FIGURE 12 VERIFY THAT EVAPORATOR UNIT IS LEVEL AND SQUARE TO THE DASH SECURE THE FRONT EVAPORATOR MOUNTING BRACKET TO COWL USING BRACKET AS TEMPLATE DRILL 2 3 16 HOLES IN COWL SECURE WITH 2 14 x 3 4 HEX SHEET METAL SCREWS SEE FIGURE 12 BELOW THEN TIGHTEN ALL MOUNTING BOLTS NOTE TIGHTE...

Page 14: ...LE FITTING TO THE 6 HARDLINE COMING THROUGH THE CORE SUPPORT FROM DRIER ROUTE THE 90 FEMALE FITTING TO THE 6 EVAPORATOR SEE FIGURE 11 PAGE 13 AND FIGURE 15 PAGE 15 TIGHTEN EACH FITTING CONNECTION AS SHOWN IN FIGURE 14 ABOVE A C HOSE INSTALLATION STANDARD HOSE KIT LUBRICATING O RINGS FIGURE 14 LOCATE EVAPORATOR DRAIN ON BOTTOM OF EVAPORATOR CASE IN LINE WITH DRAIN LIGHTLY MAKE A MARK ON THE FIREWAL...

Page 15: ...ET IS 3 4 A 3 4 x 5 8 REDUCER FITTING IS REQUIRED NOT SUPPLIED ROUTE A PIECE OF HEATER HOSE FROM THE INTAKE TO THE BOTTOM HEATER FITTING OF HEATER CORE AS SHOWN IN FIGURE 11 PAGE 13 AND FIGURE 15 BELOW INSTALL HEATER CONTROL VALVE IN LINE WITH INTAKE MANIFOLD PRESSURE SIDE HEATER HOSE SECURE USING HOSE CLAMPS AS SHOWN IN FIGURE 15 BELOW NOTE PROPER FLOW DIRECTION F R O M I N T A K E M A N I F O L ...

Page 16: ...PASSENGER SIDE UNDER DASH LOUVER HOSE ADAPTER AS SHOWN IN FIGURE 16a INSTALL HOSE ADAPTER ON OEM PASSENGER SIDE UNDER DASH LOUVER USING 2 8 x 1 2 PAN HEAD SCREWS AS SHOWN BELOW IN FIGURE 16b CUT REMOVE CUT FOAM 3 8 x 5 LONG AND INSTALL PASSENGER SIDE UNDER DASH LOUVER HOSE ADAPTER 496084 2 8 x 1 2 PAN HEAD SCREW 3 4 FIGURE 16 FIGURE 16a FIGURE 16b PASSENGER SIDE UNDER DASH LOUVER HOSE ADAPTER INST...

Page 17: ...HOSE ADAPTER AS SHOWN IN FIGURE 17 INSTALL HOSE ADAPTER ON OEM DRIVER SIDE UNDER DASH LOUVER USING 2 8 x 1 2 PAN HEAD SCREWS AS SHOWN BELOW IN FIGURE 17a DRIVER SIDE UNDER DASH LOUVER HOSE ADAPTER 496085 2 8 x 1 2 PAN HEAD SCREW FIGURE 17 FIGURE 17a DRIVER SIDE UNDER DASH LOUVER HOSE ADAPTER INSTALLATION CUT FOAM 3 8 x 9 LONG AND INSTALL ...

Page 18: ...DIATOR 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 AC MODE AND OR FREEZING WEATHER VOIDING YOUR WARRANTY DOUBLE CHECK ALL FITT...

Page 19: ...LOUVER IN DASH 2 x 20 PASSENGER SIDE CENTER LOUVER IN DASH 2 x 16 PASSENGER SIDE CENTER LOUVER UNDER DASH 2 x 21 DRIVER SIDE CENTER LOUVER UNDER DASH 2 x 26 PASS SIDE DEF DUCT 2 x 13 DRIVER SIDE DEF DUCT 2 x 30 PLUG FROM CONTROL WIRING HARNESS 232002 VUA PASS SIDE LOUVER 2 x 66 ROUTE PASSENGER SIDE DUCT HOSE AS SHOWN BELOW TIE WRAP DUCT HOSE TO DASH BRACE FOR GLOVE BOX ARM CLEARANCE TIE WRAP DASH ...

Page 20: ... PROGRAM Wiring Diagram TEMP MODE FAN A C IF USED 232007 VUR 232002 VUA CIRCUIT BREAKER 30 AMP WIDE OPEN THROTTLE SWITCH OPTIONAL DASH LAMP IF USED Dash Lamp Is Used Only With Type 232007 VUR Harness Warning Always Mount Circuit Breaker Under the Hood in the Engine Compartment and As Close to the Battery As Possible Wide Open Throttle Switch Contacts Close Only at Full Throttle Which Disables A C ...

Page 21: ...12V Ign Switch Source Key On Accessory Position Must Be Switched Tan Wire Used Only With Vintage Air Supplied Control Panel With LED Back Light Relay Green Wire Is Heater Control Valve Blue Wire Is A C Compressor Binary Connect As Shown Typical Compressor Wiring Be Sure Compressor Body Is Grounded Trinary Switch Connect According to Trinary Switch Wiring Diagram Install Solenoid Pointing Down Norm...

Page 22: ...ESIRED SPEED SLIDE THE LEVER ALL THE WAY LEFT FOR DASH MODE MODE LEVER TEMPERATURE LEVER IN A C MODE SLIDE THE TEMPERATURE LEVER ALL THE WAY RIGHT TO ENGAGE COMPRESSOR SLIDE LEVER LEFT OR RIGHT TO ADJUST DESIRED TEMPERATURE BLOWER SPEED ADJUST TO DESIRED SPEED TEMPERATURE LEVER SLIDE THE TEMPERATURE LEVER ALL THE WAY LEFT TO THE HOT POSITION SLIDE LEVER LEFT OR RIGHT TO DESIRED TEMPERATURE SLIDE T...

Page 23: ...l always be hot If the ground side of the blower is shorted to chassis ground the blower will run on HI Replace BSC This will require removal of evaporator from vehicle No other part replacements should be necessary Compressor will not turn on All other functions work 2 System is not charged System must be charged for compressor to engage Charge system or bypass pressure switch Danger Never bypass...

Page 24: ...or function No mode change at all Check for damaged mode switch or potentiometer and associated wiring Partial function of mode doors Typically caused by evaporator housing installed in a bind in the vehicle Be sure all mounting locations line up and don t have to be forced into position Blower turns on and off rapidly 6 Battery voltage is at least 12V Check for at least 12V at circuit breaker Ens...

Page 25: ......

Page 26: ...1 762171 784156 No QTY PART No DESCRIPTION ACCESSORY KIT 784156 1 6 VENT EVAP SUB CASE w 204 ECU w 4 2 1970 72 CUTLASS w AC ACC KIT NOTE IMAGES MAY NOT DEPICT ACTUAL PARTS AND QUANTITIES REFER TO PACKING LIST FOR ACTUAL PARTS AND QUANTITIES 2 6 VENT EVAP SUB CASE w 204 ECU w 4 2 762171 OFF DASH HOT AC FAN HI DEF FLR COLD ...

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