LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1049 (Engine Mechanical) >> Cylinder Block >> Inspection After Disassembly >> Oil Clearance Of Main Bearing >> Method by Calculation

Method by Calculation

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the main bearings to the cylinder block and bearing cap. Refer to ASSEMBLY .
  2. Calculate the main bearing clearance. (Oil clearance) = (Inner diameter of main bearing) - (Outer diameter of crankshaft journal)
    Fig 1: Identifying Oil Clearance Of Main Bearing
    G00779427Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Standard: 0.035 - 0.045 mm (0.0014 - 0.0018 in) 
    2. Limit: 0.065 mm (0.0026 in) 
  3. If the calculated clearance exceeds the specified limit, replace the bearings. Refer to HOW TO SELECT MAIN BEARINGS .
scientia non olet · About LEMON Manuals