LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.2L (LIH)) >> Repair Instructions >> Piston, Connecting Rod, and Bearing Removal

Piston, Connecting Rod, and Bearing Removal

WARNING: This page is about a different variant/trim than selected.
  1. Fig 1: Exploded View Of Connecting Rod Bolts, Caps And Bearings
    GM5278114Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Lay the lower bearings and the caps aside in the order as they were removed.
    • The connecting rod caps must remain with the original connecting rod. The caps must be oriented identical to the original installation.

    Turn the crankshaft 60 degrees.

  2. Connecting Rod Bearing Cap Bolt (8) @ Cylinder 1 - Remove and DISCARD [2x]
  3. Connecting Rod Cap (9) @ Cylinder 1 - Remove
  4. Connecting Rod Bearing (1) @ Connecting Rod Cap - Remove
  5. Turn the crankshaft 120 degrees.
  6. Connecting Rod Bearing Cap Bolt (5) @ Cylinder 3 - Remove and DISCARD [2x]
  7. Connecting Rod Cap (4) @ Cylinder 3 - Remove
  8. Connecting Rod Bearing (3) @ Connecting Rod Cap - Remove
  9. Turn the crankshaft 120 degrees.
  10. Connecting Rod Bearing Cap Bolt (6) @ Cylinder 2 - Remove and DISCARD [2x]
  11. Connecting Rod Cap (7) @ Cylinder 2 - Remove
  12. Connecting Rod Bearing (2) @ Connecting Rod Cap - Remove
  13. GM5278121Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Lay the piston and the upper bearings aside in the order as they were removed.

    Push the 3 pistons (1) with the 3 connecting rods out of all cylinders.

  14. Connecting Rod Bearing (2) @ Connecting Rod - Remove [3x]
  15. NOTE:

    Some models may have pistons with an integral ring carrier design. It is important that all pistons match. When replacing pistons, ensure the correct matching pistons are used.

  16. Inspect the pistons (1). Piston, Connecting Rod, and Bearing Cleaning and Inspection