Vintage Air 1970-72 Cutlass Manual

Without factory air
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an ISO 9001: 2008 Registered Company
1970-72 Cutlass
without Factory Air
561076
18865 Goll St. San Antonio, TX 78266 ph: 210-654-7171 fax: 210-654-3113
901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 1 OF 24

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Summary of Contents for Vintage Air 1970-72 Cutlass

  • Page 1 ISO 9001: 2008 Registered Company 1970-72 Cutlass without Factory Air 561076 18865 Goll St. San Antonio, TX 78266 ph: 210-654-7171 fax: 210-654-3113 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 1 OF 24...
  • Page 2: Table Of Contents

    19. Gen IV Wiring Connection Instructions 20. Operation Of Controls 21. Troubleshooting Information 22. Troubleshooting Information (Cont.) 23. Kick Panel Template 24. Evaporator Kit Packing List 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 2 OF 24...
  • Page 3: Packing List/Parts Disclaimer 4. Information Page 5. Wiring Notice

    Evap Sub Case w/204 ECU 744004-VUE Accessory Kit NOTE: Images may not depict actual parts and quantities. 781176 Refer to packing list for actual parts and quantities. 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 3 OF 24...
  • 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. 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 6 OF 24...
  • Page 7: Passenger Compartment

    Center Louver Door Plate Radio Control Panel Figure 2 Front of Dash Back Side of Dash Center Louver 496107 Front of Dash Top View Figure 2a 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 7 OF 24...
  • Page 8: Kick Panel Modification

    Figure 3 Pull Cable Assemblies Kick Panel Grille Template Template 31102-GUR 1/2 Plastic Plug Cut This Section Figure 4 Fresh Air Door ASM Figure 4a 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 8 OF 24...
  • Page 9 Side OEM Louver Install adapter on driver and passenger side OEM louvers. See Figure 6, below. Install Drvr/Pass Louver (2) S-clips Hose Adapter 496105 Figure 6 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 9 OF 24...
  • Page 10 (5) #8 X 1 1/4 Hose PH Pan Head Screws 181076 (2)Heater #6 A/C Figure 8 Hoses Hose (2) Heater Hose #10 A/C Hose #6 A/C Hose Figure 8b 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 10 OF 24...
  • Page 11 Page 14, and Figure 12, Page 13. Front NOTE: Wrap the #10 fitting connections Evaporator with press tape. See Figure 12, Bracket Page 13. 644100 Figure 10 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 11 OF 24...
  • Page 12: Bracket Installation (Cont.)

    (2) Heater Fittings 70-72 CUTLASS MOUNTING HOLES Rear Evaporator Bracket 644107 Figure 11 (2) 1/4-20 X ½” Hex Bolt (2) 1/4-20 X ½” Hex Bolt 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 12 OF 24...
  • Page 13: Evaporator Installation (Cont.)

    Figure 12 (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 13 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 13 OF 24...
  • Page 14 #6 evaporator (See Figure 12, Page 13, and Figure 16, Page 15). Tighten each fitting connection as shown in Figure 15, above. Modified A/C Hose Kit: Refer to separate instructions included with modified hose kit. 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 14 OF 24...
  • Page 15: A/C & Heater Hose Routing

    Comp Hardline 091179 #6 Hose 096066 Heater Hose #6 Drier/Core Hardline 091180 Compressor Safety Switch (Binary Type) Screw-on Drier (Refer To Figure 16 Condenser Instructions) 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 15 OF 24...
  • Page 16: Figure

    See Operation of Controls procedures on Page 20. Glove Box 496077 Grommet 33145-VUI (2) U-nut #8 189801 (4) S-clips Screws Glove Box Bottom 496078 Figure 17 Figure 18 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 16 OF 24...
  • Page 17: Control Panel & Duct Hose Routing

    Center Driver Side Louver 2 1/2” X 28” Center Pass. Side Louver Figure 20 2 1/2” X 15” Driver Side Louver 2 1/2” X 26” 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 17 OF 24...
  • Page 18: 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. 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 18 OF 24...
  • Page 19: 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 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 19 OF 24...
  • Page 20: Operation Of Controls

    Blower Speed Adjust to desired Adjust lever to Slide the lever all speed. desired temperature the way right (Compressor is for DEF mode. automatically engaged). 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 20 OF 24...
  • Page 21 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 21 OF 24...
  • Page 22 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 22 OF 24...
  • Page 23 Cut Along Dotted Line Cut Along Dotted Line Cut This Area...
  • Page 26: Evaporator Kit Packing List

    Evap Sub Case w/204 ECU 744004-VUE Accessory Kit NOTE: Images may not depict actual parts and quantities. 781176 Refer to packing list for actual parts and quantities. 901076 REV A 9/17/12, INST 1970-72 CUTLASS wo AC EVAP KIT PG 24 OF 24...

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