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Section 101 (HVAC): Compressor: Inspection

WARNING: This page is about a different car, the 2001 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Compressor is a 5-vane rotary type. When trouble occurs, replace compressor as a single unit.
  • Compressor clutch trouble is often caused by clutch slippage and noise. Check and take corrective measures, as required.
  1. Remove belt cover.
    Fig 1: Removing Belt Cover
    G02133838
  2. Check that clearance between drive plate and pulley over the entire perimeter is within specifications.
    1. Clearance:  0.45+/-0.15 mm (0.0177+/-0.0059 in)
    Fig 2: Checking Clearance Between Drive Plate & Pulley Over Entire Perimeter
    G02133839
  3. Check that voltage applied to magnetic coil is at least 10.5 volts.
  4. When noise is noted, check that it originates in either compressor or pulley bearing.
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