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Home >> Saab >> 1991 >> 9000 CD, 2.3 M, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.0L 4-CYL - VIN [L], 2.1L 4-CYL [E], 2.3L 4-CYL [B,M] >> Cylinder Block Assembly Overhaul >> Crankshaft & Main Bearings

Crankshaft & Main Bearings

  1. Turn engine upside down to prevent weight of crankshaft from affecting measurements. Measure bearing clearance with Plastigage positioned to one side of journal centerline.
  2. Main bearings are available in standard and undersize. Thin and thick bearings may be combined to obtain proper clearance. See ROD & MAIN BEARING SIZES  table. Main bearing journals may be ground one undersize without need for rehardening of shaft.
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