Pontiac FIREBIRD 1972 Service Manual page 46

HEATING AND VENTILATION 1-25
-L.H.
DEFROSTER NOZZLE
(OUTLET ASM.)
Fig. 1-24 X Series Heater Duct Installation
4. To replace, reverse removal procedure. Make sure
dash grommet is in place and resealed.
HEATER BLOWER M O T O R AND/OR
IMPELLER
REMOVE AND REPLACE
-
EXCEPT G AND X
SERIES
Raise car and remove right hand front wheel.
Cut access hole approximately 3/4 of the way along
outline stamped in right hand fender skirt with pneu-
matic chisel or equivalent and bend cut portion of
skirt outward for access to blower motor area.
Disconnect blower feed wire.
Remove blower motor and transfer impeller.
To install, reverse procedure for removal. Bend cut
portion of fender skirt back to its original position
and retain cut-out with'sheet metal screws. Seal cut-
out area with undercoating o r body joint and seam
sealer.
The cut-out panel can be retained using a 2" by
3" piece of scrap metal and four sheet metal
screws. Fasten piece of scrap metal with 2 screws
into fender skirt and 2 screws into cut-out panel.
Another method of retaining the cut-out panel is
to install 3 sheet metal screws with large washers
(approximately 1 1/2") equally spaced around cut
line with center screw and washer into cut-out
panel and the other two screws in the fender skirt
itself so that washers over-lap cut line.
For installation of blower motor, impeller and inlet
duct, see Figs. 1-25 (B Series) and 1-26 (Except B
Series).
.
REMOVE AND REPLACE
-
G SERIES
1. Disconnect blower motor feed wire.
2. Remove blower motor or duct retaining screws as
required (see Fig. 1-26).