LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2013 >> Sonic RS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.8L (LUW, LWE)) >> Repair Instructions - Off Vehicle >> Crankshaft and Bearing Cleaning and Inspection >> Check Crankshaft Bearing Clearance (With Plastigage)

Check Crankshaft Bearing Clearance (With Plastigage)

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Plastigage On Bearing Journal
    GM2190912Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Crankshaft removed.
    • Do not rotate the crankshaft.
  1. Lay on plastigage.

    Lay out plastigage (flexible plastic thread) around the entire width of the con-rod bearing journal (1).

  2. CAUTION:

    Refer to Fastener Caution .

    NOTE:
    • Note the correct tightening sequence.
    • The bolts can be reused for checking the crankshaft bearing play.
  3. Install the crankshaft bearing cap. Tighten the 2 crankshaft bearing cap bolts in 3 passes. Use the EN-45059  sensor kit :
    1. First pass to 50 N.m (37 lb ft)
    2. Second pass to 45°
    3. Third pass to 15°
  4. Remove the 2 crankshaft bearing cap bolts.
  5. Fig 2: Measuring Crankshaft Bearing Play Using Measuring Scale
    GM2190914Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    When reading the value, do not confuse millimeters and inches on the measuring scale (1).

  6. Measure the crankshaft bearing play.
    1. Compare the width of the flattened plastic thread (arrow) to the measuring scale.
    2. Permissible crankshaft bearing play: 0.005-0.059 mm (0.0002-0.0023 in).