Suzuki XL7 2007 Service Manual page 1891

Step
The A/C system may contain too much moisture or air.
1. Evacuate and recharge the A/C system to
specifications. Refer to "Refrigerant Recovery and
Recharging".
2. Operate the A/C system and inspect the instrument
panel outlet air temperatures. Refer to "Air
10
Conditioning (A/C) System Performance Test (w/
C69)" "Air Conditioning (A/C) System Performance
Test (w/o C69)".
Are the instrument panel outlet air temperatures within
the specified ranges of the A/C Performance Test
Table?
The A/C system may contain too much refrigerant oil.
NOTE
Operate the A/C system on low, in order to
enhance oil flow to the high side of the
system.
1. Operate the A/C system with the engine at idle
speed and the blower speed on low for
11
approximately 15 minutes.
2. Recover the refrigerant from the A/C system. Refer
to "Refrigerant Recovery and Recharging".
3. Remove the receiver dehydrator. Refer to "Receiver
Dehydrator Replacement".
4. Drain and measure the refrigerant oil from the
receiver dehydrator.
Was more than the specified amount of refrigerant oil
drained from the receiver?
1. Reinstall the receiver dehydrator. Refer to "Receiver
Dehydrator Replacement".
12
2. Recharge the A/C system. Refer to "Refrigerant
Recovery and Recharging".
Are the actions complete?
1. Add the specified amount of refrigerant oil to the
receiver dehydrator. Refer to "Refrigerant System
Capacities".
2. Install the receiver dehydrator. Refer to "Receiver
13
Dehydrator Replacement".
3. Recharge the A/C system. Refer to "Refrigerant
Recovery and Recharging".
Are the actions complete?
1. Record the low and high side pressures and the
instrument panel outlet air temperature.
2. Compare the instrument panel outlet air
temperatures to those listed in the A/C System
Performance Chart. Refer to "Air Conditioning (A/C)
14
System Performance Test (w/ C69)" "Air
Conditioning (A/C) System Performance Test (w/o
C69)".
Are the high and low side pressures and instrument
panel outlet air temperatures within specifications?
Operate the system in order to verify the repair.
Did you find and correct the condition?
15
Action
Heating, Ventilation and Air Conditioning:
Value Yes
— Go to Step 15
148 ml (5 oz) Go to Step 12
— Go to Step 14
— Go to Step 14
— Go to Step 15
— System OK
7A-77
No
Go to Step 11
Go to Step 13
—
—
Go to "Air
Conditioning (A/
C) System
Performance
Test (w/ C69)"
"Air Conditioning
(A/C) System
Performance
Test (w/o C69)"
Go to
"Symptoms -
HVAC Systems -
Automatic"