Vintage Air 571064, Manual

Page: 8 / 24

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901304 REV D 02/28/2017, PG 8 OF 23
On a workbench, install evaporator rear bracket and heater hose fittings with properly lubricated O-rings
(See Figure 6, Page 9, and Figure 12, Page 13).
Install front mounting bracket onto evaporator using (2) 1/4-20 x 1/2” hex bolts, and tighten (See Figure 5,
below).
Evaporator Bracket,
Evaporator Hardline
& Heater Hose Fitting Installation
1.
2.
Front Evaporator
Bracket
644117
Figure 5
Figure 4
(2) 1/4-20 X 1/2”
Hex Bolts
1. Install (2) S-clips onto defrost duct hose adapters (See Figure 4, below).
2. Install defrost duct hose adapters onto OEM driver and passenger side defrost ducts as shown in Figure 4,
below.
3. Hold cowl cover under dash and mark the location of the (4) mounting holes.
4. Drill (4) 9/64” mounting holes under dash.
5. Apply a 1/4” bead of silicone around the back side of the cowl cover as shown in Figure 4, below.
6. Secure cowl cover to fresh air hole using (4) #10 x 1/2” sheet metal screws as shown in Figure 4, below.
Defrost Duct Hose Adapter
& Cowl Cover Installation
Drill (4) 9/64”
Holes
(4) #10 x 1/2”
Sheet Metal
Screws
Cowl Cover
644111
Silicone
OEM Defrost
Duct
Defrost Duct
Hose Adapter
496116
Defrost Duct
Hose Adapter
496116
(2) S-clips
OEM Defrost
Duct
(2) S-clips