9
1966-67 CHEVELLE
WITH AC
904466 REV A 5/8/09 , 1966-67 CHEVELLE w AC EVAP INSTR PG 9 OF 22
FIREWALL COVER INSTALLATION
APPLY A 1/4” BEAD OF SILICONE AROUND THE BACK SIDE OF THE FIREWALL COVER AS SHOWN IN
FIGURE 6, BELOW.
FROM INSIDE THE CAR, INSTALL FIREWALL COVER ON FIREWALL USING (2) 1/4-20 x 1” HEX BOLTS, FLAT
WASHERS AND 1/4-20 NUT WITH STAR WASHER, SEE FIGURE 6, BELOW.
EVAPORATOR INSTALLATION
ON A WORK BENCH INSTALL (2) HEATER FITTINGS WITH PROPERLY LUBRICATED O-RINGS. (SEE FIGURE 14,
PAGE 13, AND FIGURE 8 PAGE 10.)
INSTALL (2) 1/4-20 x 1” HEX BOLT AND (2) 1/4 PUSH NUT BOLT RETAINERS ON EVAP REAR BRKT AS
SHOWN IN FIGURE 8, 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 7 BELOW & FIGURE 8,
PAGE 10.
LAY EVAPORATOR SUBCASE ON PASSENGER SIDE
FLOOR BOARD. INSTALL A/C & HEATER HOSE
ON EVAPORATOR AS SHOWN IN FIGURE 11,
PAGE 12 AND HOSE INSTALLATION ON
PAGE 14.
(NOTE: WRAP THE #10 FITTING
CONNECTIONS WITH PRESS TAPE.
SEE FIGURE 11, PAGE 12.)
(2)1/4-20 x ½”
HEX BOLT
FRONT
EVAPORATOR
BRACKET
647065
FIGURE 7
FIGURE 6
(2) 1/4-20 x 1”
HEX BOLTS
FIREWALL
COVER
648169
HOLE
NOT USED
(2) 1/4 x 3/4
FLAT WASHER
(2) 1/4-20
NUTS WITH
STAR WASHER
BACK SIDE
OF FIREWALL
COVER
SILICONE
