16
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905701 REV B 09/18/18, PG 16 OF 34
Evaporator Installation (Cont.)
Evaporator Dash and Center Louver
Bracket Installation
4.
5.
1.
2.
Looking through the clock opening, make sure the remaining 1/4-20 x 1 ½” stud goes through the upper
mounting bolt hole on the firewall. From the engine compartment, install a 1/4-20 nut with star washer onto
the 1/4-20 x 1 ½" stud to temporarily secure the evaporator unit in place (See Photo 5, below). NOTE: A
2”x 4” board can be used to keep the evaporator unit in place while the nut is being installed (See
Photo 6, below).
Attach the defrost hoses onto the previously removed defrost plenum, and install the plenum onto the
evaporator unit using (2) 10-32 x 1/2" screws (See Photos 7 & 8, below).
Install the evaporator dash bracket onto the evaporator unit using a 1/4-20 x 1/2" bolt (supplied on the
evaporator unit). Secure the evaporator dash bracket to the under dash lip using a 1/4-20 x 1/2” hex bolt
and a 1/4-20 nut with star washer (See Photos 1 & 2, below). NOTE: Do not fully tighten the bolts at
this time. Some adjustment may be needed when leveling the evaporator unit.
Loosely install the center louver dash bracket onto the under dash lip using a 1/4-20 x 1/2” bolt and washer
(supplied on the center louver plenum assembly) (See Photo 3, below).
Photo 5
Photo 6
Photo 7
Photo 8
Photo 1
Photo 2
Photo 3
Use a 2” x 4”
Board to Keep
Evaporator Unit
in Place
Install Evaporator
Dash Bracket onto
Evaporator Unit
Using 1/4-20 x 1/2"
Bolt (Supplied
on Evaporator Unit)
Install a 1/4-20 Nut
with Star Washer onto
the 1/4-20 x 1 ½" Stud
Install Defrost Plenum
onto Evaporator Unit
Using (2) 10-32 x 1/2"
Screws
Attach Defrost Hoses
onto Defrost Plenum
Under Dash
Lip
1/4-20 x 1/2"
Hex Bolt
Evaporator
Dash Bracket
646909
Evaporator
Unit
Under Dash
Inner Lip
Under Dash
Inner Lip
Install 1/4-20 x 1/2”
Hex Bolt and 1/4-20 Nut
with Star Washer
Loosely Install
Center Louver Dash Bracket
Using a 1/4-20 x 1/2”
Bolt and Washer
