Cooling Insufficient, A/C System - Pressure Zone C - GMC chevrolet camaro 2000 Service Manual

t-16 Heating, Ventilation and Air Conditioning HVAC
Cooling Insufficient, A/C System - Pressure Zone C
A/C System Pressure - Zone Classification Graph
(kPa) (Psi)
690 100
621
90
552 80
483 70
414
60
Q)
"O
(/.)
345 50
:\';
0
....I
276 40
207
30
138 20
69 10
100
200
300.
400
(Psi)
(
690
1379 2069
2750
(kPa)
High Side
590674
Cooling Insufficient, A/C System - Pressure Zone C
Step Action Value(s) Yes No
Were you sent here from the Cooling Insufficient, Go to Cooling
1 A/C System diagnostic table?
- Insufficient,
Go to Step 2 A/CSystem
2
Visually inspect for restricted air flow at the condenser.
-
Is the air flow through the condenser restricted Go to Step 3 Go to Step 4
1. Repair the condition (air flow restriction) or replace
the condenser, if damaged.
2. If replacement of the condenser is necessary, recover
the refrigerant, then refer to Condenser
3
Replacement.
-
-
3. Evacuate and charge the refrigerant system.
4. Leak test the refrigerant system.
Refer to Leak Testing.
Is the repair complete? Go to Step 4
·.
1. Start the engine and allow the engine to idle.
2. Turn ON the A/C, using the A/C button.
3. Inspect for proper cooling fan operation. Refer to
4
Electric Cooling Fan Diagnosis (Description) in
-
(
Engine Controls - 3.8 L or Electric Cooling Fan
Diagnosis in Engine Controls - 5.7 L.
Are the cooling fans ON and operating properly? Go to Step 6
Go to Step 5