ISO 9001:2015 Registered Company 1957 Chevrolet Full-Size Evaporator Kit (565701) 18865 Goll St. San Antonio, TX 78266 Phone: 800-862-6658 Sales: sales@vintageair.com Tech Support: tech@vintageair.com www.vintageair.com 905701 REV B 09/18/18, PG 1 OF 34...
Accessory Kit ** 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. Gen IV Evaporator...
Refrigerant Capacities: Vintage Air System: 1.8 lbs. (1 lb., 12 oz.) of R134a, charged by weight with a quality charging station or scale. NOTE: Use of the proper type and amount of refrigerant is critical to system operation and performance.
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.
Any water damage to the evaporator system may void the warranty. Perform the Following: NOTE: Vintage Air recommends the removal of the hood for easier installation. Before removing the hood, mark where the hood and hinge meet with a pencil (See Photo 1, below). This will help during reassembly.
Engine Compartment Disassembly (Cont.) www.vintageair.com Remove the OEM heater hoses (See Photos 8 & 9, below). Disconnect the transmission cooling lines at the bottom of the radiator (See Photo 10, below). Remove the (3) bolts on each side of the radiator, and lift the radiator out (See Photo 11, below). Remove the OEM blower assembly by removing (2) bolts and the reinforcement bracket on the inner fender (See Photo 12, below), and (2) bolts in the engine compartment (See Photo 13, below).
Passenger Compartment Disassembly www.vintageair.com Perform the Following: Remove the control panel bezel by removing (4) screws (See Photo 1, below). Remove the OEM control panel assembly (retain), and disconnect the cables (discard) (See Photo 2, below). NOTE: Refer to the control panel conversion kit instructions for installation of controls. Remove the glove box door by removing (3) screws as shown in Photo 3, below.
Passenger Compartment Disassembly (Cont.) www.vintageair.com 6. To remove the heater assembly and the OEM defrost duct, perform the following: A. Remove the screw behind the distributor in the engine compartment. NOTE: To gain access to the screw, removal of the distributor cap may be required (See Photo 6, below). B.
Passenger Compartment Disassembly (Final) www.vintageair.com To remove the OEM fresh air vent tube, perform the following: A. Remove the fresh air vent tube in the passenger compartment by removing the (3) vent tube bolts (See Photo 12, below), the bolt under the passenger side fender directly above the wheel, and the cable grommet from the firewall (See Photos 12 & 13, below).
Evaporator Pre-Installation www.vintageair.com On a workbench, remove the center louver plenum assembly from the evaporator unit by removing (2) 10-32 x 1/2” screws (See Photos 1 & 2, below). Remove the defrost plenum by removing (2) 10-32 x 1/2” screws (See Photo 3, below). On the slotted top opening of the evaporator firewall bracket, install a 1/4-20 x 27/32” U-nut (See Photo 4, below).
Evaporator and Heater Hardline Installation www.vintageair.com NOTE: Do not fully tighten the hardlines at this time. The hardlines will be adjusted before tightening. Install the #10 evaporator/compressor hardline onto the #10 evaporator fitting using a properly lubricated #10 O-ring (See Photo 1, below, and Figure 1, Page 20). Install the #6 evaporator/drier hardline onto the expansion valve using a properly lubricated #6 O-ring (See Photos 1 &...
NOTE: For proper system operation, Vintage Air recommends using heat-blocking insulation in the area around the evaporator unit (firewall, inner cowl and kick panel). Due to the tight clearance for the evaporator unit between the firewall and dash, Vintage Air recommends an insulation thickness of no more than 1/4”.
Defrost Duct Installation www.vintageair.com NOTE: The passenger side defrost duct has a notch for the OEM wire clip (See Photo 1, below). Locate the driver and passenger side defrost ducts. Attach a 12” length of 2” duct hose to the passenger side defrost duct, and a 24”...
Evaporator Installation Plenum Assembly NOTE: To ensure a watertight seal between the passenger compartment and the vehicle exterior, for all bolts passing through the firewall, Vintage Air recommends coating the threads with silicone prior to installation. Place the evaporator unit onto the passenger side floorboard, and plug the white connector on the blower motor into the corresponding connector on the main wiring harness (See Photo 1, below).
Evaporator Installation (Cont.) www.vintageair.com Looking through the clock opening, make sure the remaining 1/4-20 x 1 ½” stud goes through the upper mounting bolt hole on the firewall. From the engine compartment, install a 1/4-20 nut with star washer onto the 1/4-20 x 1 ½" stud to temporarily secure the evaporator unit in place (See Photo 5, below). NOTE: A 2”x 4”...
Fresh Air Cover Plate & Rubber Boot Installation www.vintageair.com Remove the fitting caps, and install the rubber boot over the hardlines (See Photo 1, below). NOTE: Insert one hardline at a time. When finished, cap all fittings to prevent debris from getting inside the lines. Install the fresh air plate over the lines (See Photo 2, below). Remove the (3) 1/4-20 x 1 ½"...
Wiring Installation (Cont.) www.vintageair.com Apply (2) strips of Velcro to the ECU, and cut the tie wraps holding the ECU wiring together (See Photos 4 & 5, below). Plug the main wiring harness black connector into the ECU module (See Photo 6, below). Reinstall the control panel into the dash using the (4) OEM screws (See Photo 7, below). Plug the control panel connector into the ECU module (See Photo 8, below). Apply (2) strips of Velcro, and mount the ECU to the right of the radio on the inner dash. NOTE: Make sure the area is clean and free of debris before applying the Velcro (See Photo 9, below). Apply (2) Strips of Velcro to Tie Wraps...
Wiring Installation (Cont.) www.vintageair.com Route the heater control valve connector through the remaining hole in the fresh air cover (See Photo 10, below). Attach the white ground wire from the heater control valve wiring harness to a suitable ground. Route the remaining main wiring harness wires (white ground, red power and blue safety switch wires) through the same hole as the heater control valve wiring (See Photo 11, below).
Lubricating O-rings www.vintageair.com For a proper seal of fittings: Install supplied Male Female Nut O-rings as shown, and lubricate with supplied O-ring Insert oil. #6 O-ring Figure 1 O-ring Figure ## Supplied Oil O-ring Installs for O-rings Over Male Insert #10 O-ring #8 O-ring to Swaged Lip...
Heater Hose & Heater Control Valve Installation www.vintageair.com NOTE: When installing the heater control valve, make sure the flow arrow is facing toward the evaporator unit. Install the heater control valve support bracket onto the heater control valve using (4) #8 x 1/2" screws (See Photos 1 &...
5/8” nipples (not supplied). For water pumps with a cast-in 3/4” heater outlet, a 3/4” x 5/8” reducer fitting (not supplied) or molded hose (Vintage Air Part # 099010) will need to be installed in the heater hose. NOTE: Flow Direction Follows Molded Arrow on Valve.
Wiring Installation (Cont.) www.vintageair.com Connect the blue wire from the main wiring harness to the safety switch on the drier (See Photo 12, below). Connect the compressor lead to the compressor, and route the other end to the safety switch on the drier (See Photo 13, below).
Wiring Installation (Final) www.vintageair.com Reinstall the battery, and connect the positive and negative terminals (See Photo 17, below). Install the firewall cover using the OEM retaining brackets (See Photo 18, below). Route the supplied fresh air vent cable through the OEM grommet on the firewall, and reattach the cable to the vent under the driver side fender (See Photos 19 & 20, below). Install the #6 Adel clamp onto the #6 drier/evaporator A/C hose, and secure it to the inner fender OEM hole next to the battery using a 10-24 x 1/2" screw and 10-24 nut with star washer. Use the supplied tie wraps to secure the hoses (See Photo 21, below).
Driver and Passenger Side Louver Installation www.vintageair.com In the passenger compartment, on the passenger side at the bottom right corner of the dash, measure 3/8” to the right from the center of the OEM hole. Mark and drill a 7/32” hole as shown in Photo 1, below. On the driver side, at the bottom left corner of the dash, measure 3/8”...
Driver and Passenger Side Louver Installation (Cont.) www.vintageair.com Install the louver bezel brackets between the louver housings and the hose adapters (See Photo 7, below). Install the louver through the louver housing and into the hose adapter, and then tighten to secure the assembly together (See Photos 8, 9 &...
Glove Box Installation www.vintageair.com Reinstall the clock, lights and bracket. Install the supplied glove box through the front of the dash. Insert the left side first, and then slide the glove box to the right to the designated location. Secure using (5) OEM screws (See Photo 1, below). Install the glove box door using (3) #10 x 3/4" sheet metal screws (See Photo 2, below). Reinstall the glove box light (See Photo 3, below).
A/C mode and/or freezing weather, voiding your warranty. Double check all fittings, brackets and belts for tightness. Vintage Air recommends that all A/C systems be serviced by a licensed automotive A/C technician. Evacuate the system for a minimum of 45 minutes prior to charging, and perform a leak check prior to servicing.
Wiring Diagram www.vintageair.com 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 E, 10/6/2017 TEMP MODE PROGRAM * DASH LAMP (IF USED)
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...
Operation of Controls www.vintageair.com 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.
Packing List: Evaporator Kit (565701) www.vintageair.com Qty. Part No. Description 761159 Gen IV Evaporator Sub Case 781161 Accessory Kit Checked By: Packed By: Date: Gen IV Evaporator Sub Case 761159 DASH COLD INSIDE FLOOR OUTSIDE Accessory Kit NOTE: Images may not depict actual parts and quantities.
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