DRIVER SIDE
DEFROST
DUCT
627171-PCA
10/24 NUT
w/ STAR WASHER
10/24 X 3/8”
PAN HEAD
SCREW
OEM
DEFROST DUCT
MOUNTING FLANGE
DR SIDE
FRESH AIR
CAP
498851
PASSENGER SIDE
DEFROST
DUCT
627171-PCA
PASS SIDE
FRESH AIR
CAP
498852
SILICONE
OEM
SCREWS
OEM
SCREWS
INNER COWL
VIEW SHOWN
THROUGH DASH
TOP OF
DASH
OEM
HOLES
SPEAKER
BRACKET
WIRE LOOM
PART 1
PART 2
1970-73 C AMRO w/o AC
EVAPORATOR BRACK ET
MOUNTIN G HOLES
1970-73 C AMRO w/o AC
EVAPORATOR BRACK ET
MOUNTIN G HOLES
PLACE TOP EDGE O F TEMPLATE ALONG BEN D OF INNER COWL
PLACE TOP EDGE O F TEMPLATE ALONG BEN D OF INNER COWL
OEM HOLE
OEM HOLE
OEM HOLE
TEMPLATE
MARK
MOUNTING
HOLES
LOOSEN WIRE LOOM MOUNTING SCREWS. SEE FIGURE 4 BELOW
CUT OUT TEMPLATE PROVIDED ON PAGE 26. SLIDE THE TOP OF TEMPLATE UNDER WIRE LOOM ON
INNER COWL. ALIGN THE (3) HOLES IN TEMPLATE WITH THE OEM HOLES IN INNER COWL. ALIGN
TOP EDGE OF TEMPLATE ALONG THE TOP EDGE OF INNER COWL AS SHOWN BELOW IN FIGURE 4.
ONCE TEMPLATE IS ALIGNED CORRECTLY AND TAPED INTO PLACE MARK MOUNTING HOLES ON
INNER COWL. ONCE HOLES ARE MARKED IN THE CORRECT LOCATION REMOVE TEMPLATE, AND DRILL
(2) 3/16” HOLES IN INNER COWL FOR EVAPORATOR FRONT MOUNTING BRACKET. SEE FIGURE 4 BELOW.
RETIGHTEN WIRE LOOM MOUNTING SCREW.
INSTALL THE DEFROST DUCTS UNDER DASH ON OEM DEFROST DUCT MOUNTING FLANGE AS SHOWN
IN FIGURE 5 BELOW. SECURE USING 10/24 x 3/8” PAN HEAD SCREW AND 10/ 24 NUT w/ STARWASHER.
APPLY A 1/4” BEAD OF SILICONE AROUND THE BACK SIDE OF THE DR/ PASS SIDE FRESH AIR CAPS AS
SHOWN IN FIGURE 5a BELOW.
INSTALL DR/ PASS SIDE FRESH AIR CAPS SECURE USING OEM SCREWS SEE
FIGURE 5 BELOW.
EVAPORATOR MOUNTING HOLES
DEFROST DUCT/FRESH AIR COVER INSTALLATION
FIGURE 4
FIGURE 5
FIGURE 5a
