Pontiac FIREBIRD 1972 Service Manual page 43

1-22 1972 BONTIAC SERVICE MANUAL
ASSEMBLY SECTION A-A
HEATER
DUCT
--.
Fig. 1-21 G Series Vacuum Diaphragm and Duct Installation
3. Remove rally gage cluster (fuel, volts) if equipped
with rally gages.
4. Remove glove compartment and door.
5. Disconnect air-defrost cable at heater case and posi-
tion out of way.
6. Remove lower defroster duct screw at heater case.
7. Remove duct retaining nut at each defroster outlet
and remove duct through bottom of instrument panel
(Fig. 1-23).
8. To replace, reverse removal procedure. Check cable
operation and adjust if necessary.
REMOVE AND REPLACE
-
F SERIES (WITH AIR
CONDITIONING)
1. Disconnect battery.
2. Remove lower instrument panel trim and upper trim
plate (at cluster).
3. Remove lower left hand A/C duct.
4. Remove steering column support bracket.
5.
Remove (4) steering column nuts and lower column.
6. Remove glove compartment and door.
7. Remove right hand lower A/C duct (cold air duct).
8. Remove defroster duct attaching screw at heater
case.
9. Remove windshield side garnish moldings.
10. Disconnect emergency brake release cable.
11. Remove (2) lower I.P. bolts at extreme comers of I.P.
and remove console to I.P. bolts (if applicable).
12. Remove (3) upper I.P. screws at cluster and (3) nuts
from I.P. pad studs above glove box opening.
13. Lift I.P. pad and tip out toward rear of car.
14. Remove duct retaining nut at each defroster outlet
(Fig. 1-23) and remove duct from top of instrument
panel.
15. To replace, reverse removal procedure.