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Home >> Mitsubishi >> 1988 >> Precis Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.5L 4-CYL - VINS [J,K] & 1.6L 4-CYL - VIN [F] >> Overhaul >> Crankshaft, Main & Connecting Rod Bearings >> Removal & Installation

Removal & Installation

  1. Remove engine from vehicle as previously described. Separate transaxle from engine assembly. Remove timing belt train as previously described. Remove front case, flywheel, cylinder head assembly and oil pan. Remove rear plate and rear oil seal. Remove connecting rod caps. Remove main bearing caps and remove crankshaft.
  2. Keep bearings in order for reassembly reference. Measure outside diameter of crankshaft and connecting rod journals to determine if out-of-round or tapered. Out-of-round or taper limit is .0006" (.015 mm).
  3. Measure bearing clearance. If clearance exceeds limits, bearing should be replaced or undersize bearing installed. Main and connecting rod bearings are available in .010" (.25 mm), .020" (.50 mm) and .030" (.75 mm) undersizes.
  4. To install, reverse removal procedure. Lubricate bearings before installing. Tighten bolts to specification in 3 steps. Tighten main bearing caps in order of No. 3, No. 2, No. 4, No. 1 and No. 5 main caps.
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