Subaru 2002 IMPREZA Service Manual page 2510

HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
12.Compressor
A: INSPECTION
1. MAGNETIC CLUTCH CLEARANCE
1) Check the clearance of the entire circumference
around the drive plate and pulley.
Standard:
0.45 ± ± ± ± 0.15 mm (0.0177 ± ± ± ± 0.0059 in)
2. MAGNETIC CLUTCH OPERATION
1) Disconnect the compressor connector.
2) Connect the battery positive (+) terminal to the
No.3 terminal of the compressor connector.
3) Make sure the magnet clutch engages.
If NG, replace the compressor.
B: REMOVAL
1) Perform the compressor oil return operation.
<Ref. to AC-26, OPERATION, Compressor Oil.>
2) Turn the A/C switch OFF and stop the engine.
3) Using the refrigerant recovery system, dis-
charge refrigerant. <Ref. to AC-21, OPERATION,
Refrigerant Recovery Procedure.>
4) Disconnect the ground cable from battery.
5) Remove the V-belt. <Ref. to ME-44, REMOVAL,
V-belt.> or <Ref. to ME(TURBO)-44, REMOVAL,
V-belt.>
6) Remove the generator. <Ref. to SC-14, RE-
MOVAL, Generator.>
7) Remove the low-pressure hose and high-pres-
sure hose.
COMPRESSOR
8) Disconnect the compressor harness from body
harness.
9) Loosen the bolts to remove compressor bracket.
10) Remove the bolts and then separate compres-
sor and bracket.
B4M2407
HV0012
AC-32
B4M2311
HV0011