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Home >> Subaru >> 1989 >> RX Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.8L 4-CYL & 1.8L 4-CYL Turbo - VINS [4,5,7] >> Overhaul >> Piston & Rod Assembly >> Inspection

Piston & Rod Assembly: Inspection

  1. Inspect piston for cracks or damage in ring areas. Check ring side clearance. Replace piston if not within specification. See PISTONS, PINS & RINGS table
  2. Measure piston skirt diameter with temperature of 68°F (20°C). Piston skirt diameter should be measured at 90 degree angle to piston pin at designated distanced from bottom of piston skirt. Measure at .787" (19.98 mm) for XT Coupe and non-turbo models or 1.059" (26.90 mm) on turbo models.
  3. Measure piston pin O.D. and piston pin bore I.D. Replace piston if not within specification. Ensure piston pin can be installed in piston at 68°F (20°C). Replace components if piston pin cannot be installed.
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