1958-60 CORVETTE 561059
901037 REV B 7/3/14, 58-60 COVETTE EVAP INST PG 1 OF 24
an ISO 9001:2008 Registered Company
2901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 2 OF 24
PAGES
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 FIGURES 2 & 2a 8. KICK PANEL MODIFICATION FIGURE 3 9. FIREWALL COVER INSTALLATION & EVAPORATOR INSTALLATION FIGURES 4 & 510. BRACKET INSTALLATION FIGURE 611. EVAPORATOR INSTALLTION CONT. FIGURES 7, 8 & 8a12. DRAIN HOSE INSTALLATION, LUBRICATING O-RINGS, A/C HOSE INSTALLATION, & MODIFIED A/C HOSE KIT FIGURES 9 & 1013. DRIVER SIDE COMPRESSOR MOUNT AC & HEATER HOSE ROUTING FIGURE 1114. PASSENGER SIDE COMPRESSOR MOUNT AC & HEATER HOSE ROUTING FIGURE 1215. FINAL STEPS FIGURE 1316. CONTROL PANEL & DUCT HOSE ROUTING FIGURE 1417. DRIVER SIDE UNDER DASH LOUVER & PASSENGER SIDE UNDER DASH LOUVER INSTALLATION FIGURES 15, 15a & 1618. WIRING DIAGRAM19. GEN IV WIRING CONNECTION INSTRUCTIONS20. OPERATION OF CONTROLS21. TROUBLE SHOOTING INFORMATION22. TROUBLE SHOOTING INFORMATION CONT.23. UNDER DASH FRONT EVAP BRKT TEMPLATE24. EVAPORATOR KIT PACKING LIST
3901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 3 OF 24
** 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.
EVAPORATOR KIT561059
EVAPORATOR KIT PACKING LIST
1.
No. QTY. PART No. DESCRIPTION
2.11
744008781059
1
ACCESSORY KIT781059
2
GEN IV 4 VENTEVAP SUB CASE
w/ 204 ECU744008
GEN IV 4 VENT EVAP SUB CASE w/ 204 ECUACC KIT 58-60 CORVETTE
NOTE: IMAGES MAY NOT DEPICT ACTUAL PARTS AND QUANTITIES.REFER TO PACKING LIST FOR ACTUAL PARTS AND QUANTITIES.
4901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 4 OF 24
Use of Any Other Refrigerants Will Void All Warranties of the Air Conditioning System and Components. Use of the Proper Type and
Amount of Refrigerant Is Critical to Proper System Operation. VintageAir Recommends Our Systems Be Charged By Weight With a Quality
Charging Station or Scale.
Service Info:
Safety Switches:
Important Notice—Please Read
Attention: The following system components are capped: Compressor, evaporator, condenser & drier. Caps may be under pressure with dry nitrogen. Be careful removing caps. Do not remove caps prior to installation. Removing caps prior to installation will cause components to collect moisture and lead to premature failure and reduced performance.
Evacuate the system for 35-45 minutes with system components (Drier, compressor, evaporator and condenser) at a temperature of at least 85° F. On a cool day, the components can be heated with a heat gun OR by running the engine with the heater on before evacuating. Leak check and charge to specifications.
For Maximum System Performance, Vintage Air Recommends the Following:
Heater hose may be purchased from Vintage Air (Part# 31800-VUD) or your local parts retailer. Routing and required length will vary based on installer preference.
Vintage Air Systems Are Designed to Operate With R134a Refrigerant Only! Use of Any Other Refrigerants Is a Fire Hazard and Could Damage Either Your Air Conditioning System or Your Vehicle.
Refrigerant Capacity for Vintage Air Systems:(For other systems, consult manufacturer’s guidelines)
R134a SystemCharge with 1.8 lbs. (1 lb., 12 oz.) of refrigerant.
Lubricant Capacities:New Vintage Air-supplied Sanden Compressor: No additional oil needed (Compressor is shipped with proper oil charge).All Other Compressors: Consult manufacturer (Some compressors are shipped dry and will need oil added).
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. Compressor safety switches are extremely important since an A/C system relies on refrigerant to circulate lubricant.
Heater Hose (Not Included With This Kit):
To ensure a watertight seal between the passenger compartment and the vehicle exterior, for all bolts passing through the cowl and/or firewall, Vintage Air recommends coating the threads with silicone prior to installation.
Bolts Passing Through Cowl and/or Firewall:
5901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 5 OF 24
Important Wiring Notice—Please Read
Some Vehicles May Have Had Some or All of Their Radio Interference Capacitors Removed. There Should Be a Capacitor Found At Each of the Following Locations:
1. On the positive terminal of the ignition coil.2. If there is a generator, on the armature terminal of the generator.3. If there is a generator, on the battery terminal of the voltage regulator.
Most alternators have a capacitor installed internally to eliminate what is called “whining” as the engine is revved. If whining is heard in the radio, or just to be extra cautious, a radio interference capacitor can be added to the battery terminal of the alternator.
It is also important that the battery lead is in good shape and that the ground leads are not compromised. There should be a heavy ground from the battery to the engine block, and additional grounds to the body and chassis.
If these precautions are not observed, it is possible for voltage spikes to be present on the battery leads. These spikes come from ignition systems, charging systems, and from switching some of the vehicle’s other systems on and off. Modern computer-operated equipment can be sensitive to voltage spikes on the power leads, which can cause unexpected resets, strange behavior, and/or permanent damage.
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.
Radio interference capacitors should be available at most auto and truck parts suppliers. They typically are cylindrical in shape, a little over an inch long, a little over a half inch in diameter, and they have a single lead coming from one end of the cylinder with a terminal on the end of the wire, as well as a mounting clip which is screwed into a good ground on the vehicle. The specific value of the capacitance is not too significant in comparison to ignition capacitors that are matched with the coil to reduce pitting of the points.
Care must be taken, when installing the compressor lead, not to short it to ground. The compressor lead must not be connected to a condenser fan or to any other auxiliary device. Shorting to ground or connecting to a condenser fan or any other auxiliary device may damage wiring, the compressor relay, and/or cause a malfunction.
When installing ground leads on Gen IV systems, the blower control ground and ECU ground must be connected directly to the negative battery post.
For proper system operation, the heater control valve must be connected to the ECU.
•
•
•
6901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 6 OF 24
ENGINE COMPARTMENT
REMOVE THE FOLLOWING
FIGURE 1
DRAIN RADIATOR.
DISCONNECT BATTERY.
OEM BLOWER MOTOR ASSEMBLY (UNDER HOOD)
OEM HEATER HOSES (DISCARD). SEE FIGURE 1.
OEM HEATERHOSES OEM HEATER
& DUCTING
BEFORE STARTING THE INSTALLATION, CHECK THE FUNCTION OF THE VEHICLE (HORN, LIGHTS,ETC.) FOR PROPER OPERATIONS.
STUDY THE INSTRUCTIONS, ILLUSTRATIONS, & DIAGRAMS.
7901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 7 OF 24
PACKAGE TRAY. IF EQUIPPED (RETAIN). SEE FIGURE 2PASSENGER SIDE UNDER DASH COVER (RETAIN). DOOR STEP. (RETAIN).KICK PANEL (RETAIN).KICK PANEL BRACE (DISCARD).RESECURE TOP KICK PANEL BRACE USING 1/4-20 x 3/4HEX BOLT, (2) 1/4 x 3/4 FLAT WASHERS AND 1/4-20NUT w/ STAR WASHER AS SHOWN IN FIGURE 2a. DISCONNECT ALL WIRES AND CABLE FROM CONTROL PANEL.
PASSENGER COMPARTMENT
CONDENSER ASSEMBLY & INSTALLATIONREFER TO SEPARATE INSTRUCTIONS INCLUDED WITH THE CONDENSER KIT TO INSTALL THE CONDENSER.BINARY SWITCH INSTALLATION (REFER TO CONDENSER INSTRUCTIONS)
REFER TO SEPARATE INSTRUCTIONS INCLUDED WITH THE BRACKET KIT TO INSTALL THE COMPRESSOR BRACKET.
COMPRESSOR & BRACKETS
REMOVE THE FOLLOWING:
FIGURE 2
FIGURE 2a
CONTROL PANEL
PACKAGETRAY
KICK PANEL
PASSENGER SIDEUNDER DASH
COVER
DOOR STEP
KICK PANELBRACE
1/4-20 x 3/4HEX BOLT
1/4-20 NUT w/
STAR WASHER
(2)1/4 x 3/4FLAT WASHER
TOP KICK PANEL BRACE
8901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 8 OF 24
KICK PANEL MODIFICATIONREMOVE KICK PANEL BY REMOVING (6) OEM SCREWS.MODIFY PASSENGER SIDE KICK PANEL AS SHOWN IN FIGURE 3 BELOW.
FIGURE 3
8 ½
6 ⅜
1 ⅜
CUT
9901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 9 OF 24
(2)1/4-20 x 1/2”HEX BOLT
FRONTEVAPORATOR
BRACKET644052FIGURE 5
FIREWALL COVER INSTALLATIONAPPLY A 1/4” BEAD OF SILICONE AROUND THE BACK SIDE OF THE FIREWALL COVER AS SHOWN INFIGURE 4, BELOW.
FROM INSIDE THE CAR, INSTALL FIREWALL COVER ON FIREWALL USING (3) 1/4-20 x 1 HEX BOLTS, FLAT WASHERS AND 1/4-20 NUT WITH STAR WASHER, SEE FIGURE 4, BELOW. (NOTE: USE SEAM SEALERTO FILL GAP BETWEEN COVER & LIP IN FIREWALL BEFORE PAINTING.)
ENLARGE OEM HEATER HOLE TO 1 1/4 AS SHOWN BELOW.
INSTALL GROMMETS IN FIREWALL AS SHOWN BELOW.
FIGURE 4
(3) 1/4-20 x 1HEX BOLTS
(3) 1/4 x 3/4FLAT WASHER
(3) 1/4-20 NUTS WITH
STAR WASHER
(2) LARGEGROMMETS33137-VUI
BACK SIDEOF FIREWALL
COVERSILICONE
FIREWALLCOVER
EVAPORATOR INSTALLATIONON A WORK BENCH INSTALL (2) HEATER FITTINGS WITH PROPERLY LUBRICATED O-RINGS. (SEE FIGURE 10, PAGE 12, AND FIGURE 6, PAGE 10.)INSTALL (2) 1/4-20 x 1 HEX BOLTS, AND (2) 1/4 PUSH NUT BOLT RETAINERS ON EVAP REAR BRKT AS SHOWN IN FIGURE 6, PAGE 10.INSTALL EVAPORATOR FRONT & REAR MOUNTING BRACKETS ON EVAPORATOR USING (6)1/4-20 x 1/2 HEX BOLTS AND TIGHTEN AS SHOWN IN FIGURE 5 BELOW & FIGURE 6,PAGE 10.LAY EVAPORATOR SUBCASE ON PASSENGER SIDEFLOOR BOARD. INSTALL A/C & HEATER HOSEON EVAPORATOR AS SHOWN IN FIGURE 7, PAGE 11 AND HOSE INSTALLATION ON PAGE 13 AND PAGE 14.(NOTE: WRAP THE #10 FITTING CONNECTIONS WITH PRESS TAPE. SEE FIGURE 7, PAGE 11.)
ENLARGE TO 1 1/4 HOLE (2) LARGE
GROMMETS33137-VUI
10901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 10 OF 24
BRACKET INSTALLATION
FIGURE 6
1/4-20 x 1HEX BOLT
18290-VUB
1/4-20 x 1HEX BOLT
18290-VUB
1/4 PUSH NUTBOLT RETAINER189125-MUR
1/4 PUSH NUTBOLT RETAINER189125-MUR
PS REAREVAPORATOR
BRACKET644054
DS REAREVAPORATOR
BRACKET644053
(2) HEATERFITTINGS
(2) 1/4-20 x 1/2HEX BOLT
(2) 1/4-20 x 1/2HEX BOLT
11901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 11 OF 24
EVAPORATOR INSTALLATION CONT.
USING TEMPLATE PROVIDED ON PAGE 23, DRILL (2) 3/16 HOLES IN DASH BRACE AS SHOWN BELOW IN FIGURE 8a.
LIFT EVAPORATOR UNIT UP UNDER THE DASHBOARD. SECURE LOOSELY TO THE FIREWALL FROM THE ENGINE COMPARTMENT SIDE USING (2) 1/4-20 NUT WITH STAR WASHER, FLAT WASHERS. SEE FIGURE 8.
SECURE THE FRONT EVAPORATOR MOUNTING BRACKET TO COWL USING (2) #14 x 3/4 HEX SHEET METAL SCREWS SEE FIGURE 8 BELOW.
VERIFY THAT EVAPORATOR UNIT IS LEVEL AND SQUARE TO THE DASH, THEN TIGHTEN ALL MOUNTING BOLTS. (NOTE: TIGHTEN THE BOLT ON FIREWALL FIRST, THEN THE FRONT MOUNTING BRACKET.)
FIGURE 8
FIGURE 7
FIGURE 8a
(2) #14 x 3/4HEX SHEET
METAL SCREW18266-VUB
(2)1/4-20NUT WITH STAR
WASHER
(2)1/4 x 3/4FLAT WASHER
DASH BRACE
BACK SIDE OF DASH
BRACE
UNDERDASH FRONT EVAP. BRKT
TEMPLATE
WIPER TRANS
CUTOUT
THIS SIDE FACES
FIREWALLDRILL 3/16”
HOLE
HEATER HOSE
#6 A/C HOSE
#10 A/C HOSE
PRESSTAPE
12901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 12 OF 24
LOCATE EVAPORATOR DRAIN ON BOTTOM OF EVAPORATOR CASE.IN-LINE WITH DRAIN, LIGHTLY MAKE A MARKON THE FIREWALL MEASURE 1” DOWN ANDDRILL A 5/8” HOLE THROUGH THE FIREWALL. SEE FIGURE 9 BELOW.INSTALL DRAIN HOSE TO BOTTOM OFEVAPORATOR UNIT AND ROUTE THROUGHFIREWALL. INSTALL 1/2” 90° DRAIN ELBOW ON DRAIN HOSE SEE FIGURE 9.
DRAIN HOSE INSTALLATION
EVAPORATORCASE1”
LOCATE THE #8 COMPRESSOR A/C HOSE. LUBRICATE (2) #8 O-RINGS (SEE FIGURE 10, ABOVE) AND CONNECTTHE 90° FEMALE FITTING TO THE #8 DISCHARGE PORT ON THE COMPRESSOR. ROUTE THE STR FEMALE FITTING w/ 134a SERVICE PORT TO THE #8 CONDENSER HARDLINE COMING THROUGH CORE SUPPORT. SEE FIGURE 11 PAGE 13 AND FIGURE 12 PAGE 14. TIGHTEN EACH FITTING CONNECTION AS SHOWN IN FIGURE 10 ABOVE.LOCATE THE #10 COMPRESSOR A/C HOSE. LUBRICATE (2) #10 O-RINGS (SEE FIGURE 10, ABOVE) AND CONNECT THE #10 135° FEMALE FITTING w/134a SERVICE PORT TO THE #10 SUCTION PORT ON THE COMPRESSOR. ROUTE THE 135° FEMALE FITTING TO THE #10 EVAPORATOR. SEE FIGURE 11, PAGE 13 AND FIGURE 12, PAGE 14. TIGHTEN EACH FITTING CONNECTION AS SHOWN IN 10 ABOVE.LOCATE THE #6 EVAPORATOR A/C HOSE. LUBRICATE (2) #6 O-RINGS (SEE FIGURE 10, ABOVE) AND CONNECT THE STR FEMALE FITTING TO THE DRIER. ROUTE THE 90° FEMALE FITTING TO THE #6 EVAPORATOR. SEE FIGURE 11, PAGE 13 AND FIGURE 12, PAGE 14. TIGHTEN EACH FITTING CONNECTION AS SHOWN IN FIGURE 10, ABOVE.
A/C HOSE INSTALLATIONSTANDARD HOSE KIT
LUBRICATING O-RINGS
#6 O-RING
#8 O-RING #10 O-RING
HOLD WITHTHIS W RENCH
FOR A PROPER SEAL OF FITTINGS:INSTALL SUPPLIED O-RINGS AS SHOWNAND LUBRICATE WITH SUPPLIED OIL.
O-RING
SUPPLIED OIL FOR O-RINGS O-RING,INSTALLS
OVER MALE INSERTTO SWAGED LIP
MALEINSERT
FEMALENUT
O-RING
TWIST WITHTHIS WRENCH
FIGURE 10
REFER TO SEPARATE INSTRUCTIONS INCLUDED WITH MODIFIED HOSE KIT.
MODIFIED A/C HOSE KIT
FIGURE 9
DRAINHOSE
13901037 REV B 7/3/14, 58-60 CORVETTE EVAP INSTR PG 13 OF 24
FIG
UR
E 11
HEATER HOSE & HEATER CONTROL VALVE INSTALLATIONROUTE A PIECE OF HEATER HOSE FROM THE WATER PUMP TO THE TOP HEATER FITTING OF HEATER CORE AS SHOWN IN FIGURE 7, PAGE 11 AND FIGURE 11 BELOW. SECURE USING HOSE CLAMPS.NOTE: OEM WATER PUMP OUTLET IS 3/4”. A 3/4 x 5/8 REDUCER FITTING IS REQUIRED(NOT SUPPLIED)
ROUTE A PIECE OF HEATER HOSE FROM THE INTAKE TO THE BOTTOM HEATER FITTING OF HEATER COREAS SHOWN IN FIGURE 7, PAGE 11 AND FIGURE 11, BELOW. INSTALL HEATER CONTROL VALVE IN-LINE WITH INTAKE MANIFOLD (PRESSURE SIDE) HEATER HOSE, SECURE USING HOSE CLAMPS AS SHOWN IN FIGURE 11, BELOW. NOTE PROPER FLOW DIRECTION.
DR
IVER
SID
E CO
MP
RES
SOR
MO
UN
TA
C &
HEA
TER
HO
SE R
OU
TIN
G62
CO
RV
ETTE
SH
OW
N
HEA
TER
HO
SE(H
EATE
R C
ORE
/W
ATER
PU
MP)
#10
SUC
TIO
NH
OSE
#8
DIS
CH
ARG
EH
OSE
OU
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#8
CO
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ENSE
R/C
OM
P H
ARD
LIN
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91
15
9 CO
MPR
ESSO
RSA
FETY
SW
ITC
H(B
INA
RY T
YPE)
SCRE
W O
N D
RIER
(REF
ER T
OC
ON
DEN
SER
INST
RUC
TIO
NS)
HEA
TER
HO
SE(H
EATE
R C
NTR
LVA
LVE/
INTA
KE)
#6 D
RIER
/ C
ON
DEN
SER
HA
RDLI
NE
35130-V
CG
#6
DRI
ER/
CO
RE S
UPP
ORT
HA
RDLI
NE
09
11
58
NO
TE:
OEM
WA
TER
PUM
P O
UTL
ET IS
3/4
”. A
3/4
x 5
/8
RED
UC
ER F
ITTI
NG
IS R
EQU
IRED
(N
OT
SUPP
LED
)
FRO
M IN
TAKE
MAN
IFO
LD
FRO
M E
VAPO
RATO
R
TO W
ATER
PU
MP
HO
SEC
LAM
PS
FRO
M H
EATE
R C
ON
TRO
L VA
LVE
TO E
VA
PORA
TOR
HEA
TER
HO
SE
14901037 REV B 7/3/14, 58-60 CORVETTE EVAP INSTR PG 14 OF 24
HEA
TER
HO
SE(H
EATE
R C
NTR
LV
ALV
E/ IN
TAK
E)
HEATER HOSE & HEATER CONTROL VALVE INSTALLATIONROUTE A PIECE OF HEATER HOSE FROM THE WATER PUMP TO THE TOP HEATER FITTING OF HEATER CORE AS SHOWN IN FIGURE 7, PAGE 11 AND FIGURE 12 BELOW. SECURE USING HOSE CLAMPS.NOTE: OEM WATER PUMP OUTLET IS 3/4”. A 3/4 x 5/8 REDUCER FITTING IS REQUIRED(NOT SUPPLIED)
ROUTE A PIECE OF HEATER HOSE FROM THE INTAKE TO THE BOTTOM HEATER FITTING OF HEATER COREAS SHOWN IN FIGURE 7, PAGE 11 AND FIGURE 12, BELOW. INSTALL HEATER CONTROL VALVE IN-LINE WITH INTAKE MANIFOLD (PRESSURE SIDE) HEATER HOSE, SECURE USING HOSE CLAMPS AS SHOWN IN FIGURE 12, BELOW. NOTE PROPER FLOW DIRECTION.
OU
TIN
#6
DRI
ER/
CO
RE S
UPP
ORT
HA
RDLI
NE
09
11
58
#6
DRI
ER/
CO
ND
ENSE
RH
ARD
LIN
E3
51
30
-VC
GC
OM
PRES
SOR
SAFE
TY S
WIT
CH
(BIN
ARY
TYP
E)SC
REW
ON
DRI
ER(R
EFER
TO
CO
ND
ENSE
RIN
STRU
CTI
ON
S)
#8
CO
ND
ENSE
R/C
OM
P H
ARD
LIN
E0
91
15
9
#10
SUC
TIO
NH
OSE
#8
DIS
CH
ARG
EH
OSE
PASS
ENG
ER S
IDE
COM
PR
ESSO
R M
OU
NT
AC
& H
EATE
R H
OSE
RO
UTI
NG
62 C
OR
VET
TE S
HO
WN
FIG
UR
E 12
HEA
TER
HO
SE(H
EATE
R C
ORE
/W
ATER
PU
MP)
NO
TE:
OEM
WA
TER
PUM
P O
UTL
ET IS
3/4
”. A
3/4
x 5
/8
RED
UC
ER F
ITTI
NG
IS R
EQU
IRED
(N
OT
SUPP
LED
)
FRO
M IN
TAKE
MAN
IFO
LD
FRO
M E
VAPO
RATO
R
TO W
ATER
PU
MP
HO
SEC
LAM
PS
FRO
M H
EATE
R C
ON
TRO
L VA
LVE
TO E
VA
PORA
TOR
HEA
TER
HO
SE
15901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 15 OF 24
INSTALL DUCT HOSES AS SHOWN IN FIGURE 14, PAGE 16.DRILL 5/8 HOLE FOR GROMMET AS SHOWN BELOW.ROUTE A/C WIRES THROUGH 3/8 GROMMENT AS SHOWN ON FIGURE 13(12 VOLT/ GROUND/ BINARY SWITCH/ HEATER VALVE).INSTALL CONTROL PANEL ASM.PLUG THE WIRING HARNESS IN THE ECU MODULE ON SUB CASE AS SHOWN IN FIGURE 14, PAGE 16(WIRE ACCORDING TO WIRING DIAGRAM ON PAGE 18 AND 19.)REINSTALL PASSENGER SIDE UNDER DASH COVER, PACKAGE TRAY. IF EQUIPPED.REINSTALL KICK PANEL.REINSTALL ALL PREVIOUSLY REMOVED ITEMS.FILL RADIATOR WITH AT LEAST A 50/50 MIXTURE OF APPROVED ANTIFREEZE AND DISTILLED WATER. IT IS THEOWNER'S RESPONSIBILITY TO KEEP THE FREEZE PROTECTION AT THE PROPER LEVEL FOR THE CLIMATE INWHICH THE VEHICLE IS OPERATED. FAILURE TO FOLLOW ANTIFREEZE RECOMMENDATIONS WILL CAUSEHEATER CORE TO CORRODE PREMATURELY AND POSSIBLY BURST IN AC MODE AND/OR FREEZING WEATHER,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 AIRCONDITIONING TECHNICIAN. EVACUATE THE SYSTEM FOR A MINIMUM OF 45 MINUTES PRIOR TO CHARGING AND LEAK CHECK PRIORTO SERVICING. CHARGE THE SYSTEM TO THE CAPACITIES STATED ON THE INFORMATION PAGE (PAGE 4) OF THISINSTRUCTION MANUAL. SEE OPERATION OF CONTROLS PROCEDURES ON PAGE 20.
FINAL STEPS
FIGURE 13
2”
OEM HEATERHOLES
GROMMET33144-VUI
DRILL 5/8HOLE
16901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 16 OF 24
PASS. SIDEUNDER DASH
LOUVER2 ½” x 38”
DRIVER SIDEUNDER DASH
LOUVER2 ½” x 42”
DRIVER SIDEUNDER DASH
LOUVER2 ½” x 32”
PASS. SIDEUNDER DASH
LOUVER2 ½” x 18”
CONTROL PANEL & DUCT HOSE ROUTING
PLUGFROM
WIRINGHARNESS
232001-VUR
DEFROST DUCTDR. SIDE2” x 32”
DEFROST DUCTPASS. SIDE2” x 32”
FIGURE 14
CONTROL PANELHARNESS
FROM ECU232002-VUA
AIR
12 1
23
4
57
8
910
11
LO HI
TEMP.
DEFROSTER PULLFAN
17901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 17 OF 24
INSTALL LOUVERS IN DRIVER SIDE UNDER DASH LOUVER HOUSING AS SHOWN IN FIGURE 15.SECURE LOUVER HOUSING TO UNDER DASH STEERING COLUMN USING S-CLIP AND CLAMP AS SHOWN IN FIGURE 15a BELOW.
DRIVER SIDE UNDER DASH LOUVER INSTALLATION
FIGURE 15
FIGURE 15a
S-CLIP
CLAMP
LOCATE PASSENGER SIDE UNDER DASH LOUVER HOUSING AND DRILL (3) 3/16 HOLES. SECURE LOUVER HOUSING TO DASH USING (3) 10-32 x 1/2 PH HEAD SCREWS, (6) 3/16 FLAT WASHERSAND (3) 10-32 NUTS w/ STAR WASHERS AS SHOWN IN FIGURE 16 BELOW.INSTALL LOUVERS IN UNDER DASH HOUSING AS SHOWN IN FIGURE 16.
PASSENGER SIDE UNDER DASH LOUVER INSTALLATION
FIGURE 16
(2)CHROME BALLLOUVER
49053-VUL
(2)CHROME BALLLOUVER
49053-VUL
DRIVER SIDEUNDER DASH
LOUVER HOUSING
(3)10-32 x ½PH HEAD
SCREW
(6)3/16FLAT WASHER
(3)10-32NUT w/
STAR WASHER
(3)DRILL 3/16 HOLES
18901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 18 OF 24
WHT/GRN
WHT/YELWHT/RED
RED
WHTBACKLIGHT NEG
FAN WIPER
MODE WIPER
TEMP WIPER
5V-SW
GND
BACKLIGHT POS
AC ANNUNCIATOR
PRE-WIRED
GEN IV WIRING DIAGRAMREV D, 5/6/2014
GEN IV ECU
PROGRAM
Wiring Diagram
TEMP
MODE
FAN
A/C(IF USED)
232007-VUR
232002-VUA
** CIRCUITBREAKER30 AMP
*** WIDE OPENTHROTTLESWITCH
(OPTIONAL)
* DASH LAMP(IF USED)
Dash Lamp Is Used Only With Type 232007-VUR Harness.Warning: Always Mount Circuit Breaker As Close to the Battery As Possible. (NOTE: Wire BetweenBattery and Circuit Breaker Is Unprotected and Should Be Carefully Routed to Avoid a ShortCircuit).Wide Open Throttle Switch Contacts Close Only at Full Throttle, Which Disables A/C Compressor.
JF8
BLK
ORA
TAN
VIEWED FROM WIRE SIDE
••
•
HEATERCONTROL VALVE
19901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 19 OF 24
RED
CIRCUIT BREAKER30 AMP
+
+
-
BLACK
REDWHITE
RED
CHASSIS GROUND
A/CCOMPRESSOR
RELAY
Ignition Switch:
Dash Light:
NOTE: MOUNT RELAYIN DESIRED LOCATION
UNDER DASH
GREEN
FIREWALL
BLUE
BLUE
RED &
WHITE
VIOLET
(IGNITION HOTTERMINAL)
IGNITION SWITCH
DASH BACK LIGHT+0-12vTAN
GRAY
BLUE
WHITE
WHITE
REDRED
WHITE
COMPRESSOR
BATTERY
NOTE: CONNECT WHITEWIRES DIRECTLY TO
(-) BATTERY TERMINAL
BATRUN
12V
RED GREEN
RED
RED
BLUE
LATCH
BLACK
BINARYSAFETYSWITCH
YELLOW
ORANGE
WIRING HARNESS
Violet 12V Ign Switch Source (Key On Accessory) Position Must Be Switched.
Tan Wire Used Only With Vintage Air Supplied Control Panel With LED Back Light.
Binary: Connect As Shown (Typical Compressor Wiring). Be Sure Compressor Body Is Grounded.
Trinary Switch: Connect According To Trinary Switch Wiring Diagram.
Install With Servo Motor Facing Down, As Shown. Note Flow Direction Arrow Molded Into Valve Body, And Install Accordingly.
White Must Run To (-) Battery. Red May Run To (+) Battery Or Starter. Mount Circuit Breaker As Close to Battery As Possible.
Heater Control Valve:
Binary/Trinary & Compressor:
Circuit Breaker/Battery:
CONTROL WIRING HARNESS
NOTE: YELLOW & ORANGE
COMING FROM HARNESS ARE NOT
USED.
WIRING HARNESS
GRAY WIRE IS USED FOR PROGRAMING CONTROLS
IF APPLICABLE
WIRING HARNESS
Gen IV Wiring Connection Instruction
HEATERCONTROL VALVE
WARNING: ALWAYS MOUNT CIRCUIT BREAKER
AS CLOSE TO THE BATTERY AS POSSIBLE. (NOTE: WIRE BETWEEN BATTERY AND CIRCUIT BREAKER IS UNPROTECTED
AND SHOULD BE CAREFULLY ROUTED TO AVOID A SHORT CIRCUIT).
NOTE: HEATER CONTROL VALVE CONNECTION AND CHASSIS GROUND MAY BE LOCATED ON EITHER SIDE OF THE FIREWALL. ENSURECONNECTOR IS LATCHED
FIRMLY.
20901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 20 OF 24
OPERATION OF CONTROLS
THIS KNOB CONTROLSTHE BLOWER SPEED,
FROM OFF TO HI
BLOWER SPEED
ROTATE THE KNOB TOTHE LEFT TO DIRECT AIR
FLOW TO THE DASH VENTS
MODE KNOB
TEMPERATURE KNOB IN A/C MODE ROTATE
THE TEMPERATURE KNOBALL THE WAY LEFT TO
THE COLD POSITION TOENGAGE COMPRESSOR.(ROTATE KNOB LEFT OR
RIGHT TO ADJUST DESIRED TEMPERATURE)
ROTATE KNOB RIGHTTO DESIRED BLOWER
SPEED FROM OFF TO HI.
BLOWER SPEED
ROTATE THE KNOB TOTHE RIGHT TO DIRECT
AIR FLOW TO THE DEFROST VENTS.
MODE KNOB
TEMPERATURE KNOBROTATE KNOB RIGHTTO DESIRED BLOWER
SPEED FROM OFF TO HI.
BLOWER SPEED
ROTATE THE KNOB TO THE CENTER TO
DIRECT AIR FLOW TO THE FLOOR.
MODE KNOB
TEMPERATURE KNOBIN HEAT MODE ROTATE
THE TEMPERATURE KNOB ALL THE WAY RIGHT TO
THE HOT POSTION. (ROTATE KNOB LEFT
OR RIGHT TO ADJUST DESIRED TEMPERATURE)
ROTATE KNOB LEFT OR RIGHT TO ADJUST
DESIRED TEMPERATURE.(COMPRESSOR IS AUTOMATICALLY
ENGAGED)
THE TEMPERATURE KNOB TOGGLES BETWEEN A/C AND HEAT MODES. FOR A/C MODE ROTATE THE TEMPERATURE KNOB ALL THE WAY LEFT. FOR HEAT MODE ROTATE THE KNOB ALL THE WAY TO THE RIGHT TO DISENGAGE THE COMPRESSOR, THEN MOVE THE KNOB TO SELECT DESIRED TEMPRERATURE.
NOTE: EACH TIME THE SYSTEM TOGGLES BETWEEN MODES, THE BLOWER WILL MOMENTARILY CHANGE SPEEDS.
ALL SWITCHES ARE VARIABLE BETWEEN POSITIONS, SYSTEM WILL PERFORM A BLEND BETWEEN THE FUNCTIONS.
BLOWER SPEED
MODEKNOB
A/C MODE
TEMPERATUREKNOB
12 1
23
4
57
8
910
11
OFF
DASH
FLOOR
DEF COLD HOT
HI
DEFROSTER PULLFAN
AIR
12 1
23
4
57
8
910
11
LO HI
TEMP.
DEFROSTER PULLFAN
AIR
12 1
23
4
57
8
910
11
LO HI
TEMP.
DEFROSTER PULLFAN
HEAT MODEDEFROST/ DE-FOG
MODE
21901037 REV B 7/3/14, 58-60 CORVETTE EVAP INSTR PG 21 OF 24
Sym
pto
m
C
on
dit
ion
C
heck
s
Act
ion
s
N
ote
s
Blo
wer
sta
ys o
n
hig
h s
pee
d w
hen
ig
nitio
n is
on.
1a.
No o
ther
funct
ions
work
.
Chec
k fo
r dam
aged
pin
s or
wires
in c
ontr
ol hea
d p
lug.
Ver
ify
that
all
pin
s ar
e in
sert
ed into
plu
g.
Ensu
re t
hat
no
pin
s ar
e ben
t or
dam
aged
in E
CU
.
Chec
k fo
r dam
aged
gro
und
wire
(white)
in c
ontr
ol hea
d
har
nes
s.
Ver
ify
continuity
to c
has
sis
gro
und w
ith w
hite
contr
ol
hea
d w
ire
at v
ario
us
poin
ts.
Loss
of gro
und o
n t
his
wire
render
s co
ntr
ol hea
d
inoper
able
.
All
oth
er f
unct
ions
work
.Chec
k fo
r dam
aged
blo
wer
sw
itch
or
pote
ntiom
eter
and
asso
ciat
ed w
irin
g.
Blo
wer
sta
ys o
n
hig
h s
pee
d w
hen
ig
nitio
n is
on o
r off.
Unplu
g 3
-wire
BSC c
ontr
ol
connec
tor
from
ECU
. If
blo
wer
sh
uts
off,
ECU
is
eith
er
impro
per
ly w
ired
or
dam
aged
.
Be
sure
the
smal
l, 2
0 G
A w
hite
gro
und w
ire
is c
onnec
ted
to t
he
bat
tery
gro
und p
ost
. If
it
is,
repla
ce t
he
ECU
.
Unplu
g 3
-wire
BSC c
ontr
ol
connec
tor
from
ECU
. If
blo
wer
st
ays
runnin
g,
BSC is
eith
er
impro
per
ly w
ired
or
dam
aged
.
Chec
k to
ensu
re t
hat
no B
SC w
irin
g is
dam
aged
or
short
ed t
o v
ehic
le g
round.
The
BSC o
per
ates
the
blo
wer
by
gro
und s
ide
puls
e w
idth
modula
tion s
witch
ing.
The
posi
tive
wire
to t
he
blo
wer
will
alw
ays
be
hot.
If th
e “g
round”
side
of
the
blo
wer
is
short
ed t
o c
has
sis
gro
und,
the
blo
wer
will
run o
n H
I.
Rep
lace
BSC (
This
will
req
uire
rem
oval
of
evap
ora
tor
from
veh
icle
).N
o o
ther
par
t re
pla
cem
ents
sh
ould
be
nec
essa
ry.
Com
pre
ssor
will
not
turn
on
(All
oth
er funct
ions
work
).
2.
Sys
tem
is
not
char
ged
.Sys
tem
must
be
char
ged
for
com
pre
ssor
to e
ngag
e.Char
ge
syst
em o
r byp
ass
pre
ssure
sw
itch
.
Dan
ger:
Never
byp
ass
sa
fety
sw
itch
wit
h
en
gin
e r
un
nin
g.
Seri
ou
s in
jury
can
resu
lt.
Sys
tem
is
char
ged
.
1b
.
Tro
ub
lesh
oo
tin
g G
uid
e
Chec
k fo
r fa
ulty
A/C
pote
ntiom
eter
or
asso
ciat
ed
wirin
g (
Not
applic
able
to 3
-pot
contr
ols
).
Chec
k fo
r dis
connec
ted o
r fa
ulty
ther
mis
tor.
Chec
k co
ntinuity
to g
round o
n w
hite
contr
ol hea
d w
ire.
Chec
k fo
r 5V o
n r
ed c
ontr
ol hea
d w
ire.
Chec
k 2-p
in c
onnec
tor
at E
CU
housi
ng.
To c
hec
k fo
r pro
per
pot
funct
ion,
chec
k vo
ltag
e at
w
hite/
blu
e w
ire.
Voltag
e sh
ould
be
bet
wee
n 0
V a
nd
5V,
and w
ill v
ary
with p
ot
leve
r posi
tion.
Dis
connec
ted o
r fa
ulty
ther
mis
tor
will
cau
se
com
pre
ssor
to b
e dis
able
d.
Red
wire
at A
/C p
ot
should
hav
e ap
pro
xim
atel
y 5V
with ignitio
n o
n.
White
wire
will
hav
e co
ntinuity
to
chas
sis
gro
und.
White/
Blu
e w
ire
should
var
y bet
wee
n 0
V a
nd 5
V w
hen
le
ver
is m
oved
up o
r dow
n.
3. Com
pre
ssor
will
not
turn
off
(A
ll oth
er funct
ions
work
).
Chec
k fo
r fa
ulty
A/C
pote
ntiom
eter
or
asso
ciat
ed
wirin
g.
Chec
k fo
r fa
ulty
A/C
rel
ay.
Rep
air
or
repla
ce p
ot/
contr
ol w
irin
g.
Rep
lace
rel
ay.
See
blo
wer
sw
itch
chec
k pro
cedure
.
22901037 REV B 7/3/14, 58-60 CORVETTE EVAP INSTR PG 22 OF 24
Sym
pto
m
C
on
dit
ion
C
heck
s
Act
ion
s
N
ote
s
Sys
tem
will
not
turn
on,
or
runs
inte
rmitte
ntly.
4.
Work
s w
hen
engin
e is
not
runnin
g;
shuts
off w
hen
en
gin
e is
sta
rted
(T
ypic
ally
ear
ly G
en I
V,
but
poss
ible
on a
ll ve
rsio
ns)
.
Nois
e in
terf
eren
ce f
rom
either
ig
nitio
n o
r al
tern
ator.
Inst
all ca
pac
itors
on ignitio
n c
oil
and a
lter
nat
or. E
nsu
re
good g
round a
t al
l poin
ts.
Rel
oca
te c
oil
and a
ssoci
ated
w
irin
g a
way
fro
m E
CU
and E
CU
wirin
g.
Chec
k fo
r burn
edor
loose
plu
g w
ires
.
Ver
ify
connec
tions
on p
ow
er
lead
, ig
nitio
n lea
d,
and b
oth
white
gro
und w
ires
.
Ver
ify
pro
per
met
er f
unct
ion b
y ch
ecki
ng t
he
conditio
n o
f a
know
n g
ood b
atte
ry.
Ignitio
n n
ois
e (r
adia
ted o
rco
nduct
ed)
will
cau
se t
he
syst
em t
o s
hut
dow
n d
ue
tohig
h v
oltag
e sp
ikes
. If
this
is s
usp
ecte
d,
chec
k w
ith a
qual
ity
osc
illosc
ope.
Spik
esgre
ater
than
16V w
ill s
hut
dow
n t
he
ECU
. In
stal
l a
radio
cap
acitor
at t
he
posi
tive
post
of th
e ig
nitio
nco
il (S
ee r
adio
cap
acitor
inst
alla
tion b
ulle
tin).
A
faulty
alte
rnat
or
or
worn
out
bat
tery
can
als
o r
esult
in t
his
conditio
n.
Will
not
turn
on u
nder
an
y co
nditio
ns.
Ver
ify
bat
tery
voltag
e is
gre
ater
than
10 v
olts
and les
sth
an 1
6.
Loss
of m
ode
door
funct
ion.
No m
ode
chan
ge
at a
ll.Chec
k fo
r dam
aged
mode
switch
or
pote
ntiom
eter
and
asso
ciat
ed w
irin
g.
Part
ial fu
nct
ion o
f m
ode
doors
.
Typic
ally
cau
sed b
y ev
apora
tor
housi
ng
inst
alle
d in a
bin
d in t
he
vehic
le.
Be
sure
all
mounting loca
tions
line
up
and d
on’t h
ave
to b
e fo
rced
in
to p
osi
tion.
Blo
wer
turn
s on
and o
ff r
apid
ly.
6.
Bat
tery
voltag
e is
at
leas
t 12V.
Chec
k fo
r at
lea
st 1
2V a
t ci
rcuit b
reak
er.
Ensu
re a
ll sy
stem
gro
unds
and p
ow
er c
onnec
tions
are
clea
n a
nd t
ight.
Bat
tery
voltag
e is
les
s th
an 1
2V.
5.
Tro
ub
lesh
oo
tin
g G
uid
e (
Co
nt.
)
Chec
k fo
r fa
ulty
bat
tery
or
alte
rnat
or.
Char
ge
bat
tery
.
Sys
tem
shuts
off b
low
er a
t 10V.
Poor
connec
tions
or
wea
k bat
tery
can
cau
se
shutd
ow
n a
t up t
o 1
1V.
7. When
ignitio
n is
turn
ed o
n,
blo
wer
m
om
enta
rily
co
mes
on,
then
sh
uts
off.
This
occ
urs
with t
he
blo
wer
sw
itch
in
the
OFF
posi
tion.
This
is
an indic
ator
that
the
syst
em h
as b
een r
eset
. Be
sure
the
red p
ow
er w
ire
is o
nth
e bat
tery
post
, an
d n
ot
on a
sw
itch
ed s
ourc
e. A
lso,
if
the
syst
em is
pulle
d b
elow
7V f
or
even
a s
plit
sec
ond,
the
syst
em w
ill r
eset
.
Run r
ed p
ow
er w
ire
direc
tly
to b
atte
ry.
Chec
k fo
r posi
tive
pow
er a
t hea
ter
valv
e gre
en w
ire
and
blo
wer
red
wire.
Chec
k fo
r gro
und o
n c
ontr
ol hea
d w
hite
wire.
Chec
k fo
r obst
ruct
ed o
r bin
din
g m
ode
doors
.
Chec
k fo
r dam
aged
ste
pper
m
oto
r or
wirin
g.
Err
atic
funct
ions
of
blo
wer
, m
ode,
te
mp,
etc.
Chec
k fo
r dam
aged
sw
itch
or
pot
and a
ssoci
ated
wirin
g.
Rep
air
or
repla
ce.
8.
23901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 23 OF 24
BOTTO
M LIP
UN
DER
DA
SH FR
ON
T EVA
P. BR
KT
TEMP
LATE
THIS SID
E FAC
ES FIR
EWA
LL
DRILL 3
/16
HO
LE WIPER TRA
NS
CU
TOU
T
CUT ALONGDOTTED LINE
901037 REV B 7/3/14, 58-60 CORVETTE EVAP INST PG 24 OF 24
EVAPORATOR KIT561059
EVAPORATOR KIT PACKING LIST
1.2.
11
744008781059
1
ACCESSORY KIT781059
2
GEN IV 4 VENTEVAP SUB CASE
w/ 204 ECU744008
GEN IV 4 VENT EVAP SUB CASE w/ 204 ECUACC. KIT 58-60 CORVETTE
NOTE: IMAGES MAY NOT DEPICT ACTUAL PARTS AND QUANTITIES.REFER TO PACKING LIST FOR ACTUAL PARTS AND QUANTITIES.
CHECK BY:PACKED BY:
DATE:
No. QTY. PART No. DESCRIPTION