1988 PONTIAC FIERO air conditioning

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Page 59 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
"18-16 AIR CONDITIONING 
B . Accumulator  dehydrator 
@ Add 105 ml (3.5  fl. 02.) to  new 
accumulator 
C. Evaporator 
@ Add  90 ml  (3 fl. oz.)  oil 
D.  Condenser 
@ Add  30 ml (1 fl. 02.) oil 
Ref

Page 60 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
AIR CONDITIONING 1B-17 
If prescribed  vacuum cannot  be  reached,  close 
vacuum  control  valve,  shut off pump  and look 
for  a leak  at connections  or pump. 
3. When  gauge  reaches  prescribed

Page 62 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
AIR CONDITIONING 18-19 
3. Push  the tube into the fitting,  bottoming  it  out. 
Tighten 
@ Torque nut to 15 Nam (11  lbs.  ft.). 
4. Dissasemble  the  joint. 
5.  Lubricate  the 
"0" ring  with  cl

Page 63 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
18-28 AIR CONDITIONING 
DO NOT REPLACE the accumulator assembly 
when: 
1.  Merely  a dent  is found  in the  outer  shell of the 
accumulator. 
2.  A 
vehicle  is involved  in a collision and  no ph

Page 64 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
AIR CONDITIONING 18-21 
8. Disconnect  blower  motor 
and blower  resistor 
electrical  connection. 
9. Remove hi-blower  relay  connector from evapo- 
rator  case. 
10.  Carefully pull 
cowl grommet

Page 65 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
1B-22 AIR CONDITIONING 
HEATER UPPER MODE  CLOSED 
POSITION DOOR POSITION  POSITION 
I SIDE WINDOW DEFOG 
DEFROSTER 
A BLEED 
HEATER AIR 
OFF  AND  HEATER  MODES 
SlDE  WINDOW  DEFOG 
HEATER  AIR 
BI

Page 66 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
AIR CONDITIONING "18-23 
10. CONTROL 
14. LOWER MODE 
DIAPHRAGM 
16. DEFROST  DIAPHRAGM 
17. UPPER MODE 
DIAPHRAGM 
18. RECIRCULATION 
5. TO  WATER  VALVE 19. lfVPUT (VIOLET) 
6. A/C ELECTRICAL 20. D

Page 69 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
1B-26 AIR CONDITIONING 
7-FITTING (ENGINE) 
13-PIPE ASM - INLET & 8-PIPE  ASM - HTR INLET 
OUTLET 
9-A.I.R.  PUMP BRACKET  14-GENERATOR 
10-HOSE 
- HTR  OUTLET 
15-GEN BRACKET 11-AIC EVAP TUBE  ASM
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