1964 IMPALA
w/ AC
12
904064 REV A 7/22/08, 1964 IMPALA w/ AC GEN IV EVAP INSTR PG 11 OF 25
FIGURE 9
EVAPORATOR INSTALLATION CONT.
LIFT EVAPORATOR UNIT UP UNDER THE DASHBOARD SEE FIGURE . SECURE
9
LOOSELY TO THE FIREWALL FROM
THE ENGINE COMPARTMENT SIDE USING (3) 1/4-20 NUTS w/ STAR WASHER AND FLAT WASHER, SEE FIGURE 9.
USING OEM SECURE THE FRONT EVAPORATOR MOUNTING BRACKET TO OEM SPEAKER MOUNTING BRKT.
SEE FIGURE 9 AND 9a.
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 SCREWS.)
FIGURE 9a
EVAP FRONT
BRKT
EVAPORATOR
BRACKET
MOUNTING
HOLES
OEM
FASTNER
SPEAKER
BRKT
OEM
SCREW
FIREWALL CAP INSTALLATION
INSTALL GROMMETS ON FIREWALL CAP
AS SHOWN IN FIGURE 10 BELOW.
PASS LINES THROUGH FIREWALL CAP,
AND SECURE WITH (3) #10 x 1/2
SHEET METAL SCREWS. SEE FIGURE
10.
APPLY A 1/4” BEAD OF SILICONE AROUND
THE BACK SIDE OF THE FIREWALL CAP AS
SHOWN IN FIGURE 10a.
FIGURE 10a
SILICONE
643167
FIREWALL
CAP
FIGURE 10
33137-VUI
33135-VUI
(3) 18247-VUB
#10 x 1/2
SHEET METAL
SCREWS