Chevrolet Sonic Repair Manual: Air Conditioning Compressor Oil Balancing
- Draining Procedure
-
- Drain the oil from both the suction and discharge ports of the removed compressor into a clean, graduated container. Rotate the compressor shaft to assist in draining the compressor.
- Measure and record the amount of oil drained from the removed compressor. This measurement will be used during installation of the replacement compressor.
- Inspect the oil drained from removed compressor. Refer to Air Conditioning Compressor Oil Diagnosis.
- Properly discard the used refrigerant oil.
Note:
Drain and measure as much of the refrigerant oil as possible from the removed compressor.
- Balancing Procedure
-
- Before installing the compressor, the refrigerant oil will have to be fully drained:
- Add back the same quantity of polyalkylene glycol (PAG) oil as drained
from the removed compressor.
Refer to the amount of refrigerant oil recorded during the compressor removal.
Note:
The refrigerant oil in the A/C system must be balanced during compressor replacement.
Air Conditioning Compressor Bracket Removal
Remove the 3 air conditioning compressor bracket bolts (1).
Remove the air conditioning compressor bracket (2).
...
Air Conditioning Compressor Replacement (LDE, LUW, LWE)
Air Conditioning Compressor Replacement
Callout
Component Name
Preliminary Procedure
Recover the refrigerant. Refer to Refrigerant ...
Other materials:
Piston, Connecting Rod, and Bearing Removal
Install the crankshaft balancer bolt.
Set the pistons 1 and 4 to TDC in direction of engine rotation.
Note: Note cylinder sequence.
Mark the connecting rod with the connecting rod bearing cover (1).
Remove the 4 connecting rod bearing caps bol ...
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF
in each shift lever position.
For automatic transmission vehicles, the ignition should turn to LOCK/OFF
only when the shift lever is in P (Park).
For manual transmission vehicles, the ignition should turn ...
Starter Installation
Install the starter (4).
Install the lower starter bolt stud (3) and if equipped the washer.
Install the upper starter bolt (2) and if equipped the washer (1).
Caution: Refer to Fastener Caution.
Tighten the starter bolt and starter bolt stud to 25 ...
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