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Home >> Subaru >> 1985 >> XT GL >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.6L 4-CYL - VIN [2] & 1.8 4-CYL - VINS [4,5] >> Overhaul >> Piston Pins

Piston Pins

  1. Check piston pins for damage, cracks, wear or distortion. Check connecting rod bushing to piston pin clearance. Standard outer diameter of piston pin is .8267-.8271" (20.999-21.009 mm).
  2. Standard piston pin-to-connecting rod bushing bore clearance is 0-.0009" (0-.022 mm). If the pin or bushing are worn beyond specification, replace bushing in the connecting rod.
  3. To remove bushing from connecting rod, use Bushing Remover/Replacer (499037000) and an arbor press. Ream bushing to fit standard pin.
  4. To replace bushing, coat with oil and press bushing into position. Drill two .12" (3 mm) oiling holes in bushing and ream bushing bore. Bushing bore measurement is .8268-.8274" (21.00-21.016 mm). After installation, ream and clean bushing to remove chips.
  5. Check piston bore-to-piston pin clearance. Standard clearance between piston pin and piston bore is .0002-.0004" (.004-.010 mm). Piston pin is a thumb push fit at 68°F (20°C).
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