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Home >> Buick >> 2022 >> Encore GX Essence, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Mechanical - 1.2L (LIH) - Repair Instructions) >> Repair Instructions >> 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.
  1. Clean all sealant surfaces from the engine block.
  2. GM5284312Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Ensure that the guide lugs (1) are properly seated in their hole (4).
    • If the old crankshaft bearing is reused, install it in the same position as removed.

    Crankshaft Upper Bearing (2, 3) - Install [3x]

  3. GM5284314Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If the old crankshaft bearing is reused, install it in the same position as removed.

    Crankshaft Thrust Bearing (1) - Install

  4. GM5284316Courtesy of GENERAL MOTORS COMPANY

    Crankshaft (1) - Install

  5. GM2191868Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT rotate the crankshaft.

    Apply 3 plastigage, flexible plastic thread, axially over the entire width of the crankshaft bearing journal (1).

  6. GM3966378Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Ensure that the guide lugs (1) are properly seated.
    • If the old crankshaft bearing is reused, install it in the same position as removed.

    Crankshaft Lower Bearing (2) - Install [4x]

  7. GM5278211Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install the crankshaft bearing caps in the same position as removed.

    Crankshaft Bearing Cap (2) - Install [4x]

  8. Crankshaft Bearing Cap Bolt (1) - Install [8x] - Crankshaft and Bearing Installation 
  9. NOTE:

    Organize the components in the order removed.

  10. Crankshaft Bearing Cap Bolt (1) - Remove and DISCARD [8x]
  11. Crankshaft Bearing Cap (2) - Remove [4x]
  12. GM3966378Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Mind the guide lug (1) for the installation procedure.
    • Mark the installation position of the crankshaft lower bearing. Lay aside in the order removed.

    Crankshaft Lower Bearing (2) - Remove [4x]

  13. GM2191869Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    When reading the value on the measuring scale, do NOT confuse millimeters with inches.

    Measure the crankshaft bearing play.

    • Compare the width of the flattened plastic thread (1) to the measuring scale (2).
    • For the permissible crankshaft bearing clearance, refer to Engine Mechanical Specifications .
  14. GM5278214Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Mark the installation position of the crankshaft upper bearings and the thrust bearings. Organize the components in the order removed.

    Crankshaft (1) - Remove

  15. Crankshaft Upper Bearing (3) - Remove [3x]
  16. Crankshaft Thrust Bearing (2) - Remove