905070 REV A , 1970-78 CAMARO w/ AC GEN IV EVAP INSTR PG 13 OF 10/3/07 27
LOCATE EVAPORATOR DRAIN ON BOTTOM OF EVAPORATOR CASE
IN-LINE WITH THE DRAIN, LIGHTLY MAKE A
MARK ON THE FIREWALL. MEASURE ONE
INCH DOWN AND DRILL A 5/8” HOLE
THROUGH THE FIREWALL. SEE FIGURE 16.
INSTALL DRAIN HOSE TO BOTTOM OF
EVAPORATOR UNIT AND ROUTE THROUGH
FIREWALL. SEE FIGURE 16.
DRAIN HOSE INSTALLATION
FIGURE 16
1”
DRAIN
DRAIN
HOSE
13
1970-78 CHEVY CAMARO w/ AC GEN IV
I
NSTA
L
L HO
SE ADAP
T
ER
S AS SHOWN
I
N FI
GU
RE 17 BE
L
OW
.
ON
CE H
OS
E ADAP
TERS AR
E IN
S
T
ALL
ED
T
HEN D
RI
L
L (2) 7/6
4” HO
L
ES IN OE
M
UNDE
R DA
SH
L
OU
V
ER
A
S
SE
MBLI
ES AS SH
OWN I
N
FI
GU
R
E 17
a BEL
OW.
U
ND
E
R DA
SH LO
U
V
E
R DUC
T HO
SE A
DA
PTE
R I
NS
T
A
LLA
T
I
O
N
D
RI
L
L
(
2
) 7/
64
”
HOL
ES
#8 x ½
P
AN
HE
A
D SCRE
WS
6
2
7
1
78
-
F
CE
D
R
IV
E
R SID
E
HO
S
E ADAP
TER
6
2
7
1
7
7
-
F
CE
P
AS
SE
NG
E
R SI
DE
HOS
E ADAP
TER
D
RI
L
L
(
2
) 7/
64
”
HOL
ES
FIGURE 17
FIGURE 17a
