Pontiac tempest 1968 Service Manual page 59

1A-32
1968 P O N T I A C SERVICE M A N U A L
FIREBIRD
1. Depressurize system
2. Remove baffle covering receiver dehydrator
assembly.
3. Remove the receiver Inlet and outlet connec­
tions and attaching screw from bracket.
4. Remove from vehicle and plug openings.
5. Replace assembly and add one fluid oz. of re­
frigerant oil.
6. Purge and recharge system with 3-3/4 lbs.
refrigerant.
AIR INLET AND VALVE-REMOVE AND REPLACE
PONTIAC (Fig. 1A-49)
1. Remove lower duct and outlet assembly.
2. Remove right kick pad.
3. Identify and disconnect vacuum hoses.
4. Remove air inlet diaphragm.
5. Remove s i x air i n l e t assembly retaining
screws.
6. Remove air inlet assembly by pulling out from
bottom and rotating (it may be necessary to pull
carpeting out of way).
7. Replace by reversing above procedures, making
certain air inlet assembly locating pin is in its
proper location.
T E M P E S T (Fig. 1A-50)
1. Remove kick panel.
2. Remove vacuum hoses.
3. Remove cold air distributor duct.
4. Remove inlet assembly retaining screws.
5. Remove evaporator case as outlined under
Evaporator Case Removal.
6. Remove assembly three upper retaining screws.
7. To replace reverse above procedure.
A/C BLOWER MOTOR IMPELLER
AND/OR INLET DUCT
PONTIAC OR T E M P E S T
1. Unclip hoses from fender skirt.
2. Remove rocker molding.
3. Loosen lower rear fender retaining screws.
4. Remove fender skirt. TEMPEST - Remove
fender and skirt as an assembly.
5. Remove blower motor or inlet duct retaining
screws.
6. Remove motor feed wire and cooling tube.
7. Remove motor and impeller.
8. To replace reverse removal procedure.
FIREBIRD
1. Remove fender brace, battery and tray.
2. Remove hood (after scribing alignment marks).
3. Remove the right front fender and skirt as an
assembly.
4. Disconnect the motor wire at the flange
connector.
5. Disconnect the rubber motor cooling tube from
the motor.
6. Remove the motor to case or inlet to dash at­
taching screws as desired.
7. To install, reverse removal procedure.
HEATER CORE AND CASE ASSEMBLY
PONTIAC (Fig. 1A-52)
1. Drain coolant.
2. Remove four heater case to cowl attaching nuts.
3. Remove two water hoses attached to heater
core.
4. Remove lower duct and outlet assembly.
5. Remove glove box.
6. Disconnect vacuum hoses and temperature con­
trol cable.
7. Remove defroster duct attaching screw.
8. Remove three heater case to cowl attaching
screws.
9. Move core and case assembly rearward to free
attaching studs from cowl and remove core and case
assembly.