Vintage Air 1968 CUTLASS Manual

Without factory air

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an ISO 9001: 2008 Registered Company
1968 CUTLASS
WITHOUT FACTORY AIR
561061
901091 REV A 3/23/12, INST 1968 CUTLASS wo AC EVAP KIT PG 1 OF 25

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Summary of Contents for Vintage Air 1968 CUTLASS

  • Page 1 ISO 9001: 2008 Registered Company 1968 CUTLASS WITHOUT FACTORY AIR 561061 901091 REV A 3/23/12, INST 1968 CUTLASS wo AC EVAP KIT PG 1 OF 25...
  • Page 2: Table Of Contents

    20. GEN IV WIRING CONNECTION INSTRUCTIONS 21. OPERATION OF CONTROLS 22. TROUBLE SHOOTING INFORMATION 23. TROUBLE SHOOTING INFORMATION CONT. 24. KICK PANEL TEMPLATE 25. EVAPORATOR KIT PACKING LIST 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 2 OF 25...
  • Page 3 ECU 744004-VUE NOTE: IMA GES MA Y NOT DEPICT ACTUAL PARTS AND QUANTITIES. ACCESSORY KIT REFER TO PACKING LIST FOR ACTUAL PARTS AND QUANTITIES. 784068 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 3 OF 25...
  • Page 4 Safety Switches: Your Vintage Air system is equipped with a binary pressure safety switch. A binary switch disengages the compressor clutch in cases of extreme low pressure conditions (Refrigerant Loss) or excessively high head pressure (406 PSI) to prevent compressor damage or hose rupture. A trinary switch combines Hi/Lo pressure protection with an electric fan operation signal at 254 PSI, and should be substituted for use with electric fans.
  • Page 5 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.
  • Page 6: Pulleys

    REFER TO SEPARATE INSTRUCTIONS INCLUDED WITH THE BRACKET KIT TO INSTALL THE COMPRESSOR BRACKET. PULLEYS IN MOST INSTANCES THE BELT LENGTHS WILL REMAIN THE SAME. 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 6 OF 25...
  • Page 7: Passenger Compartment

    OEM HEATER ASM. (DISCARD) SEE FIGURE 2 BELOW. OEM HEATER METAL TABS DEFROST DUCT METAL TABS GLOVE BOX & GLOVE BOX DOOR RADIO CONTROL PANEL FIGURE 2 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 7 OF 25...
  • Page 8: Kick Panel Modification

    PLACE TEMPLATE ON KICK PANEL AS SHOWN IN FIGURE 4a. TEMPLATE TEMPLATE 1/2 PLASTIC PLUG 31102-GUR CUT THIS SECTION FIGURE 4 FRESH AIR DOOR ASM. FIGURE 4a 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 8 OF 25...
  • Page 9: Defrost Duct Installation

    COWL OPENING COWL BOLT STEERING COLUMN BRACE #10 x 1/2 SHEET METAL SCREW DRIVER SIDE FIGURE 5 PASSENGER SIDE DEFROST DUCT DEFROST DUCT 496086 496087 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 9 OF 25...
  • Page 10 FRESH AIR CAP HOSE PH PAN HEAD SCREWS 181076 (2)HEATER #6 A/C FIGURE 7 HOSES HOSE (2) HEATER HOSE #10 A/C #6 A/C HOSE HOSE FIGURE 7b 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 10 OF 25...
  • Page 11 (NOTE: WRAP THE #10 FITTING CONNECTIONS WITH PRESS TAPE. SEE FIGURE 11, PAGE 13.) (2)1/4-20 x 1/2 HEX BOLT FRONT EVAPORATOR BRACKET 644100 FIGURE 9 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 11 OF 25...
  • Page 12: Bracket Installation Cont

    (2) HEATER FITTINGS 68 CUTLASS MOUNTING HOLES REAR EVAPORATOR BRACKET 644107 FIGURE 10 (2) 1/4-20 x ½” HEX BOLT (2) 1/4-20 x ½” HEX BOLT 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 12 OF 25...
  • Page 13: Evaporator Installation Cont

    FIGURE 11 (2) 1/4-20 x 1 1/4” HEX BOLT 182899 (2) #14 x 3/4 HEX SHEET (2) 1/4” METAL SCREW FLAT WASHER 18125-VUB FIGURE 12 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 13 OF 25...
  • Page 14 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. MODIFIED A/C HOSE KIT REFER TO SEPARATE INSTRUCTIONS INCLUDED WITH MODIFIED HOSE KIT. 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 14 OF 25...
  • Page 15 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. 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 15 OF 25...
  • Page 16: Under Dash Louver Installation

    HEX SHEET LOUVER ASM METAL SCREWS 626654 FIGURE 16 LOUVER 49056-VUL NOTE (3) LOUVER (3) 1/2” WITHOUT HOSE FIGURE 16a PLASTIC PLUG ADAPTERS 31102-GUR 490560 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 16 OF 25...
  • Page 17: Final Steps

    CHARGE THE SYSTEM TO THE CAPACITIES STATED ON THE INFORMATION PAGE (PAGE 4) OF THIS INSTRUCTION MANUAL. SEE OPERATION OF CONTROLS PROCEDURES PAGE 21. GROMMET 33145-VUI GLOVE BOX FIGURE 17 FIGURE 18 496096 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 17 OF 25...
  • Page 18: Control Panel & Duct Hose Routing

    CENTER DRIVER SIDE LOUVER 2 ½” x 28” CENTER PASS SIDE LOUVER FIGURE 19 2 ½” x 15” DRIVER SIDE LOUVER 2 ½” x 26” 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 18 OF 25...
  • Page 19: Wiring Diagram

    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 Compressor. 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 19 OF 25...
  • Page 20: Ignition Switch

    30 AMP CONNECT Possible. WARNING: ALWAYS MOUNT CIRCUIT BREAKER UNDER THE HOOD IN THE ENGINE COMPARTMENT AND AS CLOSE TO THE BATTERY AS POSSIBLE BATTERY 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 20 OF 25...
  • Page 21: Operation Of Controls

    MODE LEVER ADJUST LEVER TO ADJUST TO DESIRED SLIDE THE LEVER ALL DESIRED TEMPERATURE. SPEED THE WAY RIGHT (COMPRESSOR IS FOR DEF MODE AUTOMATICALLY ENGAGED) 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 21 OF 25...
  • Page 22 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 22 OF 25...
  • Page 23 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 23 OF 25...
  • Page 25 CUT THIS AREA...
  • Page 28 ECU 744004-VUE NOTE: IMA GES MA Y NOT DEPICT ACTUAL PARTS AND QUANTITIES. ACCESSORY KIT REFER TO PACKING LIST FOR ACTUAL PARTS AND QUANTITIES. 784068 901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 25 OF 25...

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