Vintage Air 1973-80 CHEV PICK-UP Manual
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Vintage Air 1973-80 CHEV PICK-UP Manual

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an ISO 9001:2008 Registered Company
1973-80 CHEV PICK-UP
WITH FACTORY AIR
754175
904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 1 OF 27

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Summary of Contents for Vintage Air 1973-80 CHEV PICK-UP

  • Page 1 ISO 9001:2008 Registered Company 1973-80 CHEV PICK-UP WITH FACTORY AIR 754175 904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 1 OF 27...

  • Page 2: Table Of Contents

    Table of Contents PAGES 1. COVER 2. TABLE OF CONTENTS 3. PACKING LIST / PARTS DISCLAIMER 4. INFORMATION PAGE 5. WIRING NOTICE 6. ENGINE COMPARTMENT, CONDENSER ASSEMBLY, COMPRESSOR & BRACKET, PULLEYS FIGURE 1 7. PASSENGER COMPARTMENT FIGURES 2, 2a, 2b & 2c 8.
  • Page 3 ACCESSORY KIT 73-80 CHEV P-UP w/AC ** 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.
  • Page 4 HEATER HOSE FROM VINTAGE AIR (31800-VUD) OR FROM YOUR LOCAL PARTS RETAILER SAFETY SWITCHES: YOUR VINTAGE AIR SYSTEM IS EQUIPPED WITH A BINARY PRESSURE SAFETY SWITCH. A BINARY SWITCH (11078-VUS) DISENGAGES THE COMPRESSOR CLUTCH IN CASE OF EXTREME LOW PRESSURE CONDITION (REFRIGERANT LOSS) OR EXCESSIVELY HIGH HEAD PRESSURE (406 PSI), TO PREVENT COMPRESSOR DAMAGE OR HOSE RUPTURE.
  • Page 5 LEADS, WHICH CAN CAUSE UNEXPECTED RESETS, STRANGE BEHAVIOR, AND MAY ALSO CAUSE PERMANENT DAMAGE. VINTAGE AIR STRIVES TO HARDEN THEIR 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 BEFORE STARTING THE INSTALLATION, CHECK THE FUNCTION OF THE VEHICLE (HORN, LIGHTS,ETC.) FOR PROPER OPERATIONS. STUDY THE INSTRUCTIONS, ILLUSTRATIONS, & DIAGRAMS. ENGINE COMPARTMENT REMOVE THE FOLLOWING DISCONNECT BATTERY. DRAIN RADIATOR, REMOVE RADIATOR (RETAIN) EVACUATE THE A/C SYSTEM IF NECESSARY O.E.M. CONDENSER AND DRIER (DISCARD) SEE FIGURE 1 O.E.M.

  • Page 7: Cover

    PASSENGER COMPARTMENT REMOVE THE FOLLOWING: GLOVE BOX DOOR AND GLOVE BOX ASSEMBLY (RETAIN) (SEE FIGURE 2 BELOW) UNDER DASH STEERING COLUMN COVER (RETAIN) (SEE FIGURE 2) INSTRUMENT PANEL BEZEL (RETAIN) DASH PAD (RETAIN) (SEE FIGURE 2) DISCONNECT ALL WIRES AND CABLES FROM CONTROL PANEL. REMOVE CONTROL PANEL (DISCARD) REFER TO CONTROL PANEL CONVERSION KIT INSTRUCTIONS.
  • Page 8 DEFROST DUCT INSTALLATION INSTALL DRIVER AND PASSENGER SIDE DEFROST DUCTS AS SHOWN BELOW. (2) DEFROST THINNER SIDE OF FLANGE DUCT GOES TOWARD WINDSHIELD 623224 DEFROST DUCT OEM OPENING FIGURE 3 FRESH AIR CAP AND FIREWALL MODIFICATION APPLY A 1/4” BEAD OF SILICONE AROUND THE BACK SIDE OF THE FRESH AIR CAP AS SHOWN IN FIGURE 4, BELOW.
  • Page 9 FIREWALL MODIFICATION CONT. DRILL HOLES AS SHOWN BELOW IN FIGURE 5 DRILL 3/16” HOLE HOLE HEATER HOLES (3) DRILL 1 ⅛” HOLE (2) DRILL 2” HOLE DRILL 3/16” HOLE DRILL 3/16” HOLE FIGURE 5 HOLE FIREWALL COVER INSTALLATION APPLY A 1/4” BEAD OF SILICONE AROUND THE BACK SIDE OF THE FIREWALL COVER AS SHOWN BELOW. INSTALL FIREWALL COVER TO FIREWALL USING 1/4-20 x 3/4”...

  • Page 10: Bracket & Evaporator Hardline Installation

    BRACKET & EVAPORATOR HARDLINE INSTALLATION ON A WORK BENCH INSTALL EVAPORATOR REAR BRACKET USING (4) 1/4-20 x 1/2” HEX BOLTS. (SEE FIGURE 8 PAGE 11.) INSTALL #6 EVAP HARDLINE AND (2) HEATER HARDLINES WITH PROPERLY LUBRICATED O-RINGS. (SEE FIGURE 8, PAGE 11 AND FIGURE 11, PAGE 13.) INSTALL EVAPORATOR FRONT BRACKET ON EVAPORATOR USING (2)1/4-20 x 1/2”...

  • Page 11: Figure 8

    BRACKET & EVAPORATOR HARDLINE INSTALLATION CONT. ECU MODULE (2) 1/4-20 x ½” HEX BOLT HOLD WITH THIS WRENCH TWIST WITH THIS REAR WRENCH EVAPORATOR LUBRICATE O-RING (2) 1/4-20 x ½” BRACKET (SEE FIGURE 11, HEX BOLT 644083 PAGE 13.) FIGURE 8 #6 O-RING (33857-VUF) #10 O-RING...

  • Page 12: Figure 9

    EVAPORATOR INSTALLATION LIFT EVAPORATOR UNIT UP UNDER THE DASHBOARD. SECURE LOOSELY TO THE FIREWALL USING (2) 1/4-20 x 1¼” HEX BOLTS, (2) FLAT WASHERS AND (2) .563 L SPACERS. (SEE FIGURE 9.) NOTE: TO ENSURE PROPER DRAINAGE, IT IS VERY IMPORTANT THAT THE EVAPORATOR IS LEVEL, BOTH LEFT-RIGHT AND FORE-AFT.

  • Page 13: Modified A/C Hose Kit

    DRAIN HOSE INSTALLATION LOCATE EVAPORATOR DRAIN ON BOTTOM OF EVAPORATOR CASE. IN-LINE WITH DRAIN, LIGHTLY MAKE A MARK ON THE FIREWALL MEASURE 1” DOWN AND DRILL A 5/8” HOLE THROUGH THE FIREWALL. INSTALL DRAIN HOSE TO BOTTOM OF EVAPORATOR UNIT AND ROUTE THROUGH FIREWALL.

  • Page 14: Heater Hose & Heater Control Valve Installation

    HEATER HOSE & HEATER CONTROL VALVE INSTALLATION ROUTE HEATER HOSE FROM WATER PUMP TO THE HEATER LINE COMING THROUGH THE FIREWALL AS SHOWN IN FIGURE 12, BELOW. SECURE USING HOSE CLAMPS. NOTE: A SMALL AMOUNT OF SILICONE SPRAY WILL EASE HEATER HOSE INSTALLATION. ROUTE HEATER HOSE FROM THE INTAKE TO THE HEATER LINE COMING THROUGH THE FIREWALL AS SHOWN BELOW.
  • Page 15 904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 15 OF 27...

  • Page 16: Figure 15

    DRIVER AND PASSENGER SIDE CENTER LOUVER HOSE ADAPTER INSTALLATION INSTALL (4) S-CLIPS ON DRIVER SIDE CENTER LOUVER HOSE ADAPTER (SEE FIGURE 14 BELOW.) INSTALL DRIVER SIDE CENTER LOUVER HOSE ADAPTER IN CENTER LOUVER AS SHOWN BELOW IN FIGURE 14. INSTALL (4) S-CLIPS ON PASSENGER SIDE CENTER LOUVER HOSE ADAPTER (SEE FIGURE 14a BELOW). INSTALL PASSENGER SIDE CENTER LOUVER HOSE ADAPTER IN OEM PASSENGER SIDE CENTER LOUVER AS SHOWN BELOW IN FIGURE 14a.

  • Page 17: Final Steps

    VOIDING YOUR WARRANTY. DOUBLE CHECK ALL FITTINGS, BRACKETS AND BELTS FOR TIGHTNESS. VINTAGE AIR RECOMMENDS THAT ALL AC 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.

  • Page 18: Glove Box Modification

    GLOVE BOX MODIFICATION USE GLOVE BOX MODIFICATION TEMPLATE PROVIDED ON PAGE 25. PLACE THE TEMPLATE ON THE OUTSIDE OF THE GLOVE BOX ON THE PASSENGER SIDE. MARK THE OUTSIDE OF THE GLOVE BOX ALONG THE FRONT OF THE TEMPLATE AS SHOWN IN FIGURE 17 BELOW. PLACE THE SAME TEMPLATE ON THE INSIDE OF THE GLOVE BOX ON THE DRIVER SIDE.

  • Page 19: Control Panel & Duct Hose Routing

    CONTROL PANEL & DUCT HOSE ROUTING PASS. SIDE DEF. DUCT 2” x 12” PLUG FROM CONTROL DRIVER SIDE WIRING DEF DUCT HARNESS 2” x 28” 232007-VUR PLUG PASS SIDE FROM LOUVER WIRING 2 ½” x 45” HARNESS 232001-VUR CENTER DRIVER SIDE LOUVER FIGURE 18 2 ½”...

  • Page 20: Wiring Diagram

    WIRING DIAGRAM 232007-VUR AC ANNUNCIATOR BACKLIGHT POS BACKLIGHT NEG 5V-SW WHT/RED TEMP WIPER WHT/YEL MODE WIPER WHT/GRN FAN WIPER PRE-WIRED VIEWED FROM WIRE SIDE 232002-VUA GEN IV ECU GEN IV WIRING DIAGRAM (IF USED) REV C, 11/24/2009 TEMP MODE PROGRAM * DASH LAMP (IF USED) *** WIDE OPEN...
  • Page 21 904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 21 OF 27...

  • Page 22: Operation Of Controls

    OPERATION OF CONTROLS NOTE: WHEN BATTERY POWER IS FIRST CONNECTED TO THE ECU, THE MICRO PROCESSOR GOES THROUGH AN INITIALIZATION SEQUENCE.THIS INITIALIZATION MAY TAKE UP TO 30 SECONDS. DURING INITIALIZATION THE BLOWER WILL NOT OPERATE, BUT THE DOORS INSIDE THE UNIT WILL BE OPERATING. A LOW BATTERY OR DISCONNECTING THE BATTERY MAY ALSO TRIGGER A RE-INITIALIZATION.
  • Page 23 904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 23 OF 27...
  • Page 24 904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 24 OF 27...

  • Page 25: Glove Box Modification Template

    GLOVE BOX MODIFICATION TEMPLATE 73-87 CHEV P-UP GLOVE BOX MODIFICATION TEMPLATE 904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 25 OF 27...

  • Page 26: Power Steering Bracket Modification

    POWER STEERING BRACKET MODIFICATION NOTE: USE ILLUSTRATIONS BELOW TO DETERMINE POWER STEERING BRACKET, VERSION 1 OR 2. CUT ALONG DASHED LINES AND ALIGN THE TEMPLATE HOLE AND ADJUSTMENT SLOT WITH THE HOLE AND ADJUSTMENT SLOT ON THE POWER STEERING BRACKET. MARK THE BRACKET AROUND THE PERIMETER OF THE TEMPLATE.

  • Page 27: Evaporator Kit Packing List

    EVAPORATOR KIT EVAPORATOR KIT PACKING LIST 754175 NO. QTY. PART NO. DESCRIPTION 744004-VUE GEN IV 4 VENT EVAP . SUB CASE w/204 ECU 794175 ACCESSORY KIT 73-80 CHEV P-UP w/AC CHECK BY: PACKED BY: DATE: GEN IV 4 VENT EVAP SUB CASE w/204 ECU 744004-VUE NOTE: IMA GES MA Y NOT DEPICT ACTUAL PARTS AND QUANTITIES.

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