9. Install the TXV block fitting nut and tighten to 22
N·m (16
lb
ft).
10. Remove the A/C compressor. Refer to
Air Conditioning Compressor Replacement
.
11. Remove the A/C refrigerant filter
(1). Refer to
Air Conditioning (AC) Refrigerant Filter Replacement
.
Note: The filter inside
GE 45628-1 adapter
is serviceable. Remove and discard check valve from the filter.
12. Service the filter before each flush.
Note: Assure that suction and discharge ports on J
45268-10 correspond to suction and discharge ports on compressor hose
assembly.
13. Install new sealing washers onto A/C compressor and condenser hose. Refer to
Air Conditioning O-Ring Seal Replacement
.
Assure that suction and discharge ports on GE 45268-10 adapter correspond to suction and discharge ports on A/C
compressor to condenser hose.
14. Install GE 45268-10 filter adapter to the A/C compressor to condenser hose.
15. Connect GE 45268-1 filter to J 45268-7 adapter .
16. Connect blue hose from A/C filling device to GE 45268 adapter .
17. Connect red hose from A/C filling device to GE 45268 adapter .
18. Disconnect blue hose from A/C filling device to GE 45268-1 adapter .
19. Disconnect GE 45268-1 adapter from GE 45268-10 adapter .
20. Remove GE 45268-10 adapter from the A/C compressor to condenser hose.
Note: Flushing will remove all PAG oil from the A/C system. The A/C system must be replenished with the correct amount of
PAG oil.
21. If you will reinstall the removed A/C compressor, perform the following procedure:
• Drain PAG oil from the A/C compressor. Rotate compressor input shaft to assist in draining the PAG oil from compressor.
• Add the total system capacity of PAG oil to A/C compressor. Refer to
Refrigerant System Specifications
.
• Add one bottle of GE
41447 tracer dye .
Note: Flushing will remove fluorescent leak detection dye from A/C system.
22. Install the A/C compressor. Refer to
Air Conditioning Compressor Replacement
.
23. Install new A/C refrigerant filter. Refer to
Air Conditioning (AC) Refrigerant Filter Replacement
.
24. Remove the TXV block fitting nut.
25. Disconnect liquid line and suction line from GE 45268-115 adapter .
26. Remove the TXV bolts retaining GE 45268-115 adapter .
27. Remove GE 45268-115 adapter .
28. Inspect the TXV for debris. Clean or replace as needed.
29. Install the TXV. Refer to
Air Conditioning Evaporator Thermal Expansion Valve Replacement
.
30. Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging
.
31. Leak test fittings using BO 42220 lamp .
© 2011 General Motors. All rights reserved.
HEATING VENTILATION AND AIR CONDITIONING
11
Hvac
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CHEVROLET SONIC 2012 BODY REPAIR MANUAL
