1967 Chevy Sedan-Impala - Classic Auto Air

Locate on the last page of the instructions
a template. Cut out as shown.
Tape the template to the firewall as
shown in the picture.
Notch the corner of the heater opening,
and drill (2) 7/8” diametre holes.
Using a pair of pliers flatten the lip of the opening
under the 7/8” holes.
Locate in the hardwae sack kit (2) heater bulkheads.
Insert bulkheads from the inside of the car. Attach
with nuts, tighten nuts.
Locate the (2) 5/8” diameter heater hoses provided in kit.
Locate (2) worm gear clamps from the hardware sack kit.
The longest heater hose attaches to the fitting on right
using (1) of the worm gear supplied.
The shortest heater hose attaches to the fitting on left using
(1) of the worm gear clamps.
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