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Home >> Toyota >> 1966 >> Crown Not Available Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> TOYOTA Engines - (3R-B & 3R-C Engines) 4 Cylinder >> 1965-70 TOYOTA (3R-B & 3R-C Engines) 4 Cylinder >> Piston Pin Replacement

Piston Pin Replacement

  1. Remove piston and rod assembly as previously outlined. Remove circlips from piston pin hole. Heat piston to 122-140°F and remove piston pin. Mark connecting rod, piston and pin to insure reassembly with same components.
  2. To check fit of piston pin in piston, heat piston to 122-140°F and push in piston pin. Pin should push fit and not fall through. If pin falls through, fit is to loose, replace piston and pin.
  3. Check fit of piston pin in rod. Pin should push fit in connecting rod bushing. If side clearance is felt or fit is too loose, press out bushing and install new one using a suitable replacement tool (09222-40011). Hone new bushing to proper fit.
  4. With piston heated to 104-140°F, place in position on connecting rod with notch in top of piston facing in same direction as "T" mark on connecting rod. Lubricate piston pin and install in piston and connecting rod. Install circlips. Install piston and rod assembly as previously outlined.
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