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905460 REV D 01/12/17, PG 9 OF 28
Photo 12
Photo 13
Photo 14
Photo 14a
1.
2.
3.
Using a properly lubricated O-ring, install the lower heater hose fitting (from intake) onto the evaporator (See
Photo 12 & Figure 1, below).
Install the firewall bracket onto the evaporator using (3) 1/4-20 x 1/2” bolts (supplied on evaporator unit)
(See Photos 12, 13, 14 & 14a, below).
NOTE: When heater hoses are installed, they will pass through
the firewall bracket. Therefore, ensure that the heater hose fittings are centered in the 1.100”
holes on the bracket (See Photo 13, below).
Install the upper heater hose fitting (to water pump) onto the evaporator with a properly lubricated O-ring
(See Photo 14 & Figure 1, below).
Firewall Bracket and
Heater Hose Fitting Installation
Lower
Heater Hose
Fitting
Firewall
Bracket
Center
Hose Fitting
in Hole
Figure ##
O-ring Installs
Over Male Insert
to Swaged Lip
O-ring
#6 O-ring
#8 O-ring
#10 O-ring
O-ring
Supplied Oil
for O-rings
Male
Insert
Female Nut
Hold With
This Wrench
Twist With
This Wrench
Lubricating O-rings
For a proper seal of fittings: Install supplied
O-rings as shown, and lubricate with supplied
oil.
NOTE: Standard torque specifications:
#6: 11 to 13 ft-lb.
#8: 15 to 20 ft-lb.
#10: 21 to 27 ft-lb.
Figure 1
1/4-20 x 1/2”
Bolt
(2) 1/4-20 x 1/2”
Bolts
Upper
Heater Hose
Fitting
