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Summary of Contents for Vintage Air 751170
- Page 1 ISO 9001:2008 Registered Company 1967-72 Chevy Pickup Factory Air without 751170 18865 Goll St. San Antonio, TX 78266 ph: 210-654-7171 fax: 210-654-3113 901149 REV D 7/30/14, INST 67-72 CHEVY PICKUP wo AC EVAP KIT PG 1 OF 24...
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Page 2: Table Of Contents
Table of Contents 1. Cover 2. Table of Contents 3. Packing List/Parts Disclaimer 4. Information Page 5. Wiring Notice 6. Engine Compartment Figure 1 7. Condenser Assembly, Compressor & Bracket, Passenger Compartment Figure 2 8. Defrost Duct and Louver Installation Figures 3, 3a &... -
Page 3: Packing List/Parts Disclaimer 4. Information Page 5. Wiring Notice
Accessory Kit 67-72 Chevy Pickup without A/C ** 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 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.
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Page 6: Engine Compartment
Engine Compartment NOTE: Before starting the installation, check the function of the vehicle (horn, lights, etc.) for proper operation, and study the instructions, illustrations & diagrams. Perform the Following: Disconnect battery. Drain and remove radiator (retain). Remove heater blower assembly and OEM heater hoses (discard). NOTE: To remove the OEM heater blower assembly (under hood) and the air distribution system (under dash), the factory manual recommends that the right inner fender be removed for accessibility. -
Page 7: Compartment
Condenser Assembly and Installation Refer to separate instructions included with the condenser kit to install the condenser. Binary switch installation (Refer to condenser instructions). Compressor and Brackets Refer to separate instructions included with the bracket kit to install the compressor and bracket. Passenger Compartment Perform the Following: Remove the glove box door (retain) and glove box (discard). - Page 8 Defrost Duct and Louver Installation Install S-clips on defrost duct hose adapters, and attach to OEM defrost ducts as shown in Figure 3, below. Install center louver into dash as shown in Figure 3b, below. Use dimensions provided on Page 23. NOTE: Center louver may need to be tapped to 1/4-20 to accept studs.
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Page 9: Cover
Fresh Air Cap & Firewall Cover Installation Apply a 1/4” bead of silicone around the back side of the fresh air cap as shown in Figure 4, below. Attach fresh air cap to firewall using a 1/4-20 x 1” bolt and washer (See Figure 4, below). Apply a 1/4”... -
Page 10: Hardline Installation
Bracket & Evaporator Hardline Installation (Cont.) ECU Module (2) 1/4-20 x 1/2” Hex Bolts #6 Liquid Line O-ring 095002 Rear Evaporator Hold With Bracket Assembly This Wrench 644073 (2) 1/4-20 x 1/2” Hex Bolts Twist With This Wrench NOTE: After Installing Press Tape Lubricate O-ring Figure 6... -
Page 11: Evaporator Installation
Evaporator Installation Lift evaporator unit up under the dashboard, and secure loosely to the firewall using (2) 1/4-20 x 1” hex bolts, (2) flat washers and (2) 1/4” nuts with star washers (See Figure 7, below). NOTE: To ensure proper drainage, it is very important that the evaporator is level, both left-to-right and fore-aft. -
Page 12: Figure 8
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 13: Figure 10
Heater Hose and Heater Control Valve Installation Route heater hose from water pump to the heater line coming through the firewall as shown in Figure 10, below. Secure using hose clamps. NOTE: A small amount of silicone spray will ease heater hose installation. - Page 14 901149 REV D 7/30/14, INST 67-72 CHEVY PICKUP wo AC EVAP KIT PG 14 OF 24...
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Page 15: Final Steps
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 perform a leak check prior to servicing. -
Page 16: Control Panel & Duct Hose Routing
Control Panel and Duct Hose Routing Passenger Side Defrost Duct 2” X 12” Plug From Control Wiring Driver Side Harness Defrost Duct 232002-VUA 2” X 24” Plug From Center Wiring Louver Harness 2 ½” X 18” 232001-VUR Passenger Side Louver 2 ½”... -
Page 17: 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 GEN IV ECU 232002-VUA GEN IV WIRING DIAGRAM (IF USED) REV D, 5/6/2014 TEMP MODE PROGRAM * DASH LAMP (IF USED) *** WIDE OPEN... -
Page 18: Ignition Switch
HARNESS TERMINAL) HARNESS ARE NOT IGNITION USED. Dash Light: YELLOW SWITCH ORANGE Tan Wire Used Only With Vintage Air Supplied Control Panel With LED Back DASH BACK LIGHT+0-12v Light. GRAY GRAY WIRE IS USED FOR PROGRAMING CONTROLS IF APPLICABLE GREEN... -
Page 19: Operation Of Controls
Operation of Controls On Gen IV systems with three lever/knob controls, the temperature control toggles between heat and A/C operations. To activate A/C, move the temperature lever/knob all the way to cold and then back it off to the desired vent temperature. - Page 20 901149 REV D 7/30/14, INST 67-72 CHEVY PICKUP wo AC EVAP KIT PG 20 OF 24...
- Page 21 901149 REV D 7/30/14, INST 67-72 CHEVY PICKUP wo AC EVAP KIT PG 21 OF 24...
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Page 23: Driver/Passenger Side Louver Template
Driver/Passenger Side Louver Template TEMPLATE FOR DRIVER SIDE END OF DASH DRIVER SIDE 2 ½” DIAMETER HOLE BOTTOM EDGE OF DASH FACE TEMPLATE FOR PASSENGER SIDE END OF DASH PASSENGER SIDE 2 ½” DIAMETER HOLE BOTTOM EDGE OF DASH FACE 901149 REV D 7/30/14, INST 67-72 CHEVY PICKUP wo AC EVAP KIT PG 22 OF 24... - Page 25 Center Louver Dimensions 5 ½” Center Louver Dimensions 1 � ¼ ” ” Top of Radio Opening 901149 REV D 7/30/14, INST 67-72 CHEVY PICKUP wo AC EVAP KIT PG 23 OF 24...
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Page 28: Evaporator Kit Packing List
Packing List Evaporator Kit (751170) Qty. Part No. Description 744005 Gen IV 3-Vent Evaporator Sub Case w/ 204 ECU 791170 Accessory Kit 67-72 Chevy Pickup without A/C Checked By: Packed By: Date: Gen IV 3-Vent Evaporator Sub Case w/ 204 ECU...
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