LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2005 >> B4000 SE, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Mechanical) >> Overhaul >> Cylinder Block Assembly >> Crankshaft And Main Bearings

Crankshaft And Main Bearings

WARNING: This page is about a different car, the 2002 Mazda B3000 and 2001 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
  1. When checking main bearing clearance in vehicle, position a jack under adjoining bearing counterweight being checked. Remove only one main bearing cap at a time.
  2. Using Plastigage method, check main bearing clearance. If proper oil clearance cannot be obtained with standard bearings, try a combination of oversize bearings. DO NOT use any bearing combinations other than those listed. See OVERSIZE MAIN & ROD BEARING COMBINATIONS  table.
  3. If use of bearing combinations does not bring clearance within specification, machine or replace crankshaft as necessary. Always replace bearings in pairs. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS  table under ENGINE SPECIFICATIONS.
  4. Tighten main bearing cap bolts finger tight. Pry crankshaft forward and tighten bearing caps to specification. See TORQUE SPECIFICATIONS .
  5. Check crankshaft end play. Replace thrust bearing if end play is not within specification. Thrust bearing is No. 3 (from front) main bearing in block. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS  table.
scientia non olet · About LEMON Manuals